FNUS53 KMKX 181906 FWFMKX Fire Weather Planning Forecast for Southern Wisconsin National Weather Service Milwaukee/Sullivan WI 206 PM CDT Mon May 18 2026 .DISCUSSION... Highs Tuesday likely to reach the mid 60s to mid 70s in the morning ahead of the front coming through in the late morning and early afternoon hours. Breezy southwest winds ahead of the front with moderate to high minimum relative humidities. Cooling and decreasing northwest winds behind the front. Highs Wednesday will reach the mid 50s near the lake to the mid 60s inland with light to modest north to north east winds and the lake breeze will certainly play a role in the east. Otherwise low to moderate minimum relative humdities expected. WIZ046-047-056-057-191115- Marquette-Green Lake-Sauk-Columbia- Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, Markesan, Baraboo, Reedsburg, Prairie Du Sac, Sauk City, Portage, Columbus, Lake Wisconsin, and Lodi 206 PM CDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of rain showers until 2400. Chance of thunderstorms. Rain showers likely after 2400. Chance of precipitation 60 percent. Min temperature.....60-65. Max humidity........87-92 percent. 20-foot winds.......South winds 9 to 14 mph. Gusts up to 25 mph increasing to 30 mph after midnight. Precipitation.......Areas of 0.20 to 0.30 inch amounts. .TUESDAY... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms until 0700, then chance of rain showers until 1000, then slight chance of rain showers until 1300. Patchy fog after 0700 until 1000. Chance of precipitation 40 percent. Max temperature.....64-69. Min humidity........55-60 percent. 20-foot winds.......Southwest winds 9 to 14 mph shifting to the west 10 to 15 mph in the afternoon. Gusts up to 30 mph. Hours of Sun........4 Hours. Precipitation.......Scattered Trace to 0.05 inch amounts. Mixing Height.......Around 3200 ft AGL (Ave 12-6 PM). Transport winds.....Northwest around 20 mph (Ave 12-6 pm). Smoke dispersal.....Around 57000 or good (Ave 12-6 PM). .TUESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....39-44. Max humidity........74-79 percent. 20-foot winds.......Northwest winds 8 to 13 mph. Precipitation.......None. .WEDNESDAY... Sky/weather.........Mostly sunny. Max temperature.....60-65. Min humidity........34-39 percent. 20-foot winds.......North winds 5 to 9 mph. Gusts up to 20 mph early in the morning. Hours of Sun........11 Hours. Precipitation.......None. Mixing Height.......Around 4700 ft AGL (Ave 12-6 PM). Transport winds.....North around 8 mph (Ave 12-6 pm). Smoke dispersal.....Around 35000 or good (Ave 12-6 PM). .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. East winds 5 to 6 mph. .THURSDAY...Partly sunny. Highs 60 to 65. East winds 5 to 9 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain showers. Lows 40 to 45. East winds 5 to 8 mph. Chance of showers 20 percent. .FRIDAY...Mostly cloudy. Chance of rain showers. Highs 60 to 65. East winds 6 to 11 mph. Chance of showers 50 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Northeast winds 6 to 11 mph. Chance of precipitation 50 percent. .SATURDAY...Partly sunny. Slight chance of rain showers. Highs 70 to 75. East winds 5 to 8 mph. Chance of showers 20 percent. .SATURDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows 45 to 50. Southeast winds 5 to 6 mph. Chance of showers 20 percent. .SUNDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 75 to 80. Southwest winds 5 to 6 mph. Chance of precipitation 20 percent. .SUNDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 55. South winds 5 to 6 mph. Chance of precipitation 20 percent. .MONDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 80 to 85. South winds 5 to 7 mph. Chance of precipitation 20 percent. $$ WIZ062-063-067-068-191115- Iowa-Dane-Lafayette-Green- Including the cities of Dodgeville, Mineral Point, Barneveld, Madison, Darlington, Shullsburg, Benton, Belmont, Argyle, Blanchardville, Monroe, and Brodhead 206 PM CDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of rain showers until 2400. Chance of thunderstorms. Rain showers likely after 2400. Chance of precipitation 60 percent. Min temperature.....61-66. Max humidity........87-92 percent. 20-foot winds.......South winds 9 to 14 mph. Precipitation.......Areas of 0.20 to 0.30 inch amounts. .TUESDAY... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms until 0700, then chance of rain showers until 1300. Chance of precipitation 40 percent. Max temperature.....65-70. Min humidity........57-62 percent. 20-foot winds.......Southwest winds 10 to 15 mph shifting to the northwest 9 to 14 mph in the afternoon. Gusts up to 30 mph. Hours of Sun........4 Hours. Precipitation.......Isolated Trace to 0.05 inch amounts. Mixing Height.......Around 3000 ft AGL (Ave 12-6 PM). Transport winds.....Northwest around 19 mph (Ave 12-6 pm). Smoke dispersal.....Around 51000 or good (Ave 12-6 PM). .TUESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....39-44. Max humidity........75-80 percent. 20-foot winds.......Northwest winds 8 to 13 mph. Precipitation.......None. .WEDNESDAY... Sky/weather.........Mostly sunny. Max temperature.....60-65. Min humidity........39-44 percent. 20-foot winds.......North winds 5 to 10 mph. Hours of Sun........10 Hours. Precipitation.......None. Mixing Height.......Around 4400 ft AGL (Ave 12-6 PM). Transport winds.....Northeast around 9 mph (Ave 12-6 pm). Smoke dispersal.....Around 36000 or good (Ave 12-6 PM). .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. East winds 5 to 7 mph. .THURSDAY...Partly sunny. Highs 60 to 65. East winds 6 to 11 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain showers. Lows 40 to 45. East winds 6 to 11 mph. Chance of showers 20 percent. .FRIDAY...Mostly cloudy. Chance of rain showers. Highs 60 to 65. East winds 7 to 12 mph. Chance of showers 50 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Northeast winds 7 to 12 mph. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers. Highs 70 to 75. East winds 5 to 7 mph. Chance of showers 20 percent. .SATURDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows 50 to 55. East winds 5 to 7 mph. Chance of showers 20 percent. .SUNDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 75 to 80. Southwest winds 5 to 6 mph. Chance of precipitation 20 percent. .SUNDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 60. South winds 5 to 6 mph. Chance of precipitation 20 percent. .MONDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 80 to 85. South winds 5 to 8 mph. Chance of precipitation 20 percent. $$ WIZ051-058-059-191115- Fond du Lac-Dodge-Washington- Including the cities of Fond Du Lac, Beaver Dam, Waupun, Mayville, West Bend, Germantown, and Hartford 206 PM CDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of rain showers until 2400. Chance of thunderstorms. Rain showers likely after 2400. Chance of precipitation 60 percent. Min temperature.....61-66. Max humidity........85-90 percent. 20-foot winds.......South winds 10 to 15 mph. Gusts up to 25 mph increasing to 30 mph after midnight. Precipitation.......Areas of 0.05 to 0.10 inch amounts. .TUESDAY... Sky/weather.........Partly sunny. Slight chance of showers and thunderstorms until 0700. Chance of rain showers after 0700 until 1300. Chance of precipitation 40 percent. Max temperature.....68-73. Min humidity........59-64 percent. 20-foot winds.......Southwest winds 11 to 16 mph shifting to the west 12 to 17 mph late in the afternoon. Gusts up to 30 mph. Hours of Sun........5 Hours. Precipitation.......Scattered Trace to 0.05 inch amounts. Mixing Height.......Around 2900 ft AGL (Ave 12-6 PM). Transport winds.....West around 20 mph (Ave 12-6 pm). Smoke dispersal.....Around 51000 or good (Ave 12-6 PM). .TUESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....40-45. Max humidity........74-79 percent. 20-foot winds.......Northwest winds 10 to 15 mph. Gusts up to 30 mph until early morning. Precipitation.......None. .WEDNESDAY... Sky/weather.........Mostly sunny. Max temperature.....57-62. Min humidity........41-46 percent. 20-foot winds.......North winds 7 to 12 mph. Hours of Sun........10 Hours. Precipitation.......None. Mixing Height.......Around 4300 ft AGL (Ave 12-6 PM). Transport winds.....North around 9 mph (Ave 12-6 pm). Smoke dispersal.....Around 37000 or good (Ave 12-6 PM). .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. East winds 5 to 7 mph. .THURSDAY...Partly sunny. Highs 55 to 60. East winds 5 to 9 mph. .THURSDAY NIGHT...Mostly cloudy. Lows 40 to 45. East winds 5 to 9 mph. .FRIDAY...Mostly cloudy. Chance of rain showers. Highs 60 to 65. East winds 6 to 11 mph. Chance of showers 40 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers. Lows 45 to 50. Northeast winds 6 to 11 mph. Chance of showers 50 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers. Highs 65 to 70. Northeast winds 5 to 8 mph. Chance of showers 20 percent. .SATURDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows 45 to 50. Southeast winds 5 to 7 mph. Chance of showers 20 percent. .SUNDAY...Partly sunny. Slight chance of rain showers. Highs 75 to 80. Southwest winds 5 to 6 mph. Chance of showers 20 percent. .SUNDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 55. South winds 5 to 6 mph. Chance of precipitation 20 percent. .MONDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 80 to 85. South winds 5 to 8 mph. Chance of precipitation 20 percent. $$ WIZ064-065-069-070-191115- Jefferson-Waukesha-Rock-Walworth- Including the cities of Watertown, Fort Atkinson, Jefferson, Waukesha, Brookfield, New Berlin, Menomonee Falls, Muskego, Janesville, Beloit, Whitewater, Delavan, Elkhorn, Lake Geneva, and East Troy 206 PM CDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Chance of precipitation 50 percent. Min temperature.....62-67. Max humidity........86-91 percent. 20-foot winds.......South winds 9 to 14 mph. Precipitation.......Scattered Trace to 0.05 inch amounts. .TUESDAY... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms until 0700, then chance of rain showers and slight chance of thunderstorms after 1000 until 1300, then slight chance of rain showers until 1600. Chance of precipitation 40 percent. Max temperature.....70-75. Min humidity........61-66 percent. 20-foot winds.......Southwest winds 11 to 16 mph shifting to the northwest 9 to 14 mph late in the afternoon. Gusts up to 30 mph. Hours of Sun........4 Hours. Precipitation.......Scattered Trace to 0.05 inch amounts. Mixing Height.......Around 2800 ft AGL (Ave 12-6 PM). Transport winds.....West around 18 mph (Ave 12-6 pm). Smoke dispersal.....Around 46000 or good (Ave 12-6 PM). .TUESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....41-46. Max humidity........76-81 percent. 20-foot winds.......Northwest winds 8 to 13 mph. Precipitation.......None. .WEDNESDAY... Sky/weather.........Mostly sunny. Max temperature.....58-63. Min humidity........42-47 percent. 20-foot winds.......North winds 5 to 9 mph. Gusts up to 20 mph in the morning. Hours of Sun........10 Hours. Precipitation.......None. Mixing Height.......Around 4300 ft AGL (Ave 12-6 PM). Transport winds.....Northeast around 10 mph (Ave 12-6 pm). Smoke dispersal.....Around 37000 or good (Ave 12-6 PM). .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. East winds 5 to 10 mph. .THURSDAY...Partly sunny. Highs 55 to 60. East winds 6 to 11 mph. .THURSDAY NIGHT...Partly cloudy. Lows 40 to 45. East winds 6 to 11 mph. .FRIDAY...Mostly cloudy. Chance of rain showers. Highs 60 to 65. East winds 7 to 12 mph. Chance of showers 40 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Northeast winds 7 to 12 mph. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers. Highs 70 to 75. Northeast winds 5 to 8 mph. Chance of showers 20 percent. .SATURDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows 50 to 55. East winds 5 to 7 mph. Chance of showers 20 percent. .SUNDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 75 to 80. Southwest winds 5 to 6 mph. Chance of precipitation 20 percent. .SUNDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows 50 to 55. South winds 5 to 6 mph. Chance of showers 20 percent. .MONDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 80 to 85. South winds 5 to 9 mph. Chance of precipitation 20 percent. $$ WIZ052-060-191115- Sheboygan-Ozaukee- Including the cities of Plymouth, Sheboygan Falls, Howards Grove, Oostburg, Mequon, Cedarburg, and Grafton 206 PM CDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms after 2200 until 2300, then chance of showers and thunderstorms. Patchy fog after 0200 until 0500. Chance of precipitation 50 percent. Min temperature.....61-66. Max humidity........85-90 percent. 20-foot winds.......South winds 7 to 12 mph. Gusts up to 30 mph after midnight. Precipitation.......Scattered 0.05 to 0.10 inch amounts. .TUESDAY... Sky/weather.........Partly sunny. Slight chance of thunderstorms until 0700. Slight chance of rain showers until 1000. Chance of rain showers after 1000 until 1300. Chance of precipitation 40 percent. Max temperature.....70-75. Min humidity........57-62 percent. 20-foot winds.......Southwest winds 11 to 16 mph shifting to the west 12 to 17 mph late in the afternoon. Gusts up to 30 mph. Hours of Sun........5 Hours. Precipitation.......Scattered Trace to 0.05 inch amounts. Mixing Height.......Around 2700 ft AGL (Ave 12-6 PM). Transport winds.....West around 20 mph (Ave 12-6 pm). Smoke dispersal.....Around 37000 or good (Ave 12-6 PM). .TUESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....40-45. Max humidity........73-78 percent. 20-foot winds.......Northwest winds 10 to 15 mph. Gusts up to 30 mph decreasing to 20 mph early in the morning. Precipitation.......None. .WEDNESDAY... Sky/weather.........Mostly sunny. Max temperature.....52-57. Min humidity........50-55 percent. 20-foot winds.......North winds 5 to 10 mph shifting to the east late in the afternoon. Hours of Sun........10 Hours. Precipitation.......None. Mixing Height.......Around 3600 ft AGL (Ave 12-6 PM). Transport winds.....Northeast around 10 mph (Ave 12-6 pm). Smoke dispersal.....Around 25000 or fair (Ave 12-6 PM). .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. Northeast winds 5 to 7 mph. .THURSDAY...Partly sunny. Highs 55 to 60. East winds 5 to 8 mph. .THURSDAY NIGHT...Mostly cloudy. Lows 40 to 45. East winds 5 to 7 mph. .FRIDAY...Mostly cloudy. Slight chance of rain showers. Highs 55 to 60. East winds 6 to 11 mph. Chance of showers 20 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers. Lows 45 to 50. Northeast winds 5 to 10 mph. Chance of showers 50 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers. Highs 65 to 70. Northeast winds 5 to 8 mph. Chance of showers 20 percent. .SATURDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows 45 to 50. Southeast winds 5 to 6 mph. Chance of showers 20 percent. .SUNDAY...Partly sunny. Slight chance of rain showers. Highs 70 to 75. South winds 5 to 7 mph. Chance of showers 20 percent. .SUNDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 55. South winds 5 to 6 mph. Chance of precipitation 20 percent. .MONDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 75 to 80. South winds 5 to 8 mph. Chance of precipitation 20 percent. $$ WIZ066-071-072-191115- Milwaukee-Racine-Kenosha- Including the cities of Milwaukee, Racine, and Kenosha 206 PM CDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Chance of precipitation 50 percent. Min temperature.....62-67. Max humidity........84-89 percent. 20-foot winds.......Southwest winds 8 to 13 mph. Precipitation.......Scattered Trace to 0.05 inch amounts. .TUESDAY... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms until 0700, then slight chance of thunderstorms after 1000 until 1300. Chance of rain showers after 1000 until 1600. Chance of precipitation 30 percent. Max temperature.....73-78. Min humidity........57-62 percent. 20-foot winds.......Southwest winds 11 to 16 mph shifting to the west 9 to 14 mph late in the afternoon. Gusts up to 30 mph. Hours of Sun........4 Hours. Precipitation.......Scattered Trace to 0.05 inch amounts. Mixing Height.......Around 2700 ft AGL (Ave 12-6 PM). Transport winds.....West around 19 mph (Ave 12-6 pm). Smoke dispersal.....Around 40000 or good (Ave 12-6 PM). .TUESDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....42-47. Max humidity........74-79 percent. 20-foot winds.......Northwest winds 8 to 13 mph. Precipitation.......None. .WEDNESDAY... Sky/weather.........Partly sunny. Max temperature.....53-58. Min humidity........50-55 percent. 20-foot winds.......Northeast winds 5 to 10 mph. Hours of Sun........9 Hours. Precipitation.......None. Mixing Height.......Around 3500 ft AGL (Ave 12-6 PM). Transport winds.....Northeast around 11 mph (Ave 12-6 pm). Smoke dispersal.....Around 28000 or fair (Ave 12-6 PM). .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Partly cloudy. Lows 40 to 45. Northeast winds 5 to 9 mph. .THURSDAY...Partly sunny. Highs 55 to 60. East winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows 40 to 45. East winds 5 to 9 mph. .FRIDAY...Mostly cloudy. Chance of rain showers. Highs 60 to 65. East winds 6 to 11 mph. Chance of showers 40 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Northeast winds 6 to 11 mph. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers. Highs 65 to 70. Northeast winds 5 to 8 mph. Chance of showers 20 percent. .SATURDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows 50 to 55. East winds 5 to 6 mph. Chance of showers 20 percent. .SUNDAY...Partly sunny. Slight chance of rain showers. Highs 70 to 75. South winds 5 to 8 mph. Chance of showers 20 percent. .SUNDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 55. South winds 5 to 6 mph. Chance of precipitation 20 percent. .MONDAY...Partly sunny. Slight chance of showers and thunderstorms. Highs 75 to 80. South winds 5 to 9 mph. Chance of precipitation 20 percent. $$