FPUS53 KLSX 162203 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 502 PM CDT Fri Oct 16 2026 ILZ100-101-MOZ061-063-064-170600- Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy with a chance of showers this evening, then mostly clear after midnight. Cooler with lows in the upper 30s. North winds 15 to 20 mph. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the lower 60s. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Light and variable winds, becoming southeast around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows in the lower 40s. .WEDNESDAY NIGHT...Clear. Lows in the mid 40s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 80. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$ MOZ049-050-170600- Osage MO-Callaway MO- Including the city of Fulton 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy this evening, then becoming partly cloudy. Patchy frost after midnight. Lows in the mid 30s. North winds 10 to 15 mph. Gusts up to 30 mph this evening. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the lower 60s. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph. .SUNDAY...Sunny. Highs in the upper 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. Southeast winds around 5 mph. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the mid 40s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows around 50. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$ MOZ042-170600- Audrain MO- Including the city of Mexico 502 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .TONIGHT...Mostly cloudy with a slight chance of rain showers this evening, then mostly clear after midnight. Areas of frost after midnight. Cooler with lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph after midnight. Chance of rain 20 percent. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the upper 50s. North winds around 5 mph, becoming east in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. South winds around 5 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 70. Lows in the lower 40s. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the mid 70s. Lows in the mid 40s. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 50. Highs around 80. $$ MOZ041-047-048-170600- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy this evening, then becoming partly cloudy. Patchy frost after midnight. Lows in the mid 30s. North winds 10 to 15 mph with gusts up to 30 mph, diminishing to around 5 mph after midnight. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the lower 60s. Northeast winds around 5 mph in the morning, becoming light and variable. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph. .SUNDAY...Sunny. Highs in the upper 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. Southeast winds around 5 mph. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the upper 70s. Lows in the upper 40s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows in the lower 50s. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$ ILZ095>097-MOZ018-019-026-027-034>036-170600- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 502 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .TONIGHT...Mostly cloudy with a slight chance of rain showers this evening, then mostly clear after midnight. Areas of frost after midnight. Cooler with lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 20 percent. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the upper 50s. North winds around 5 mph in the morning, becoming light and variable. .SATURDAY NIGHT...Clear. Lows in the upper 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Lows around 40. South winds around 5 mph. .MONDAY...Sunny. Highs around 70. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the upper 40s. .THURSDAY...Sunny. Highs in the upper 70s. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ ILZ069-070-074-170600- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy with a chance of showers this evening, then partly cloudy after midnight. Cooler with lows in the upper 30s. North winds 15 to 20 mph. Chance of rain 30 percent. .SATURDAY...Sunny. Highs in the lower 60s. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows around 40. .WEDNESDAY NIGHT...Clear. Lows in the mid 40s. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs around 80. Lows in the upper 40s. $$ MOZ074-084-085-099-170600- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy. A slight chance of showers this evening. Cooler with lows in the upper 30s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent. .SATURDAY...Patchy frost in the morning. Sunny. Highs in the lower 60s. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Northeast winds around 5 mph in the evening, becoming light and variable. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows around 40. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the lower 40s. Highs around 80. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 80s. $$ MOZ051-060-170600- Montgomery MO-Warren MO- 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy with a slight chance of showers this evening, then mostly clear after midnight. Patchy frost after midnight. Cooler with lows in the mid 30s. North winds 10 to 15 mph. Gusts up to 30 mph this evening. Chance of rain 20 percent. .SATURDAY...Patchy frost in the morning. Sunny. Highs around 60. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Light and variable winds, becoming southeast around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the mid 40s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 80. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$ MOZ052-170600- Lincoln MO- 502 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .TONIGHT...Mostly cloudy with a slight chance of showers this evening, then mostly clear after midnight. Lows in the upper 30s. North winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 20 percent. .SATURDAY...Patchy frost in the morning. Sunny. Highs around 60. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Light and variable winds, becoming south around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the mid 40s. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$ ILZ058-059-098-099-170600- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 502 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .TONIGHT...Mostly cloudy with a chance of rain showers this evening, then mostly clear after midnight. Patchy frost after midnight. Cooler with lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 30 percent. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the lower 60s. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Light and variable winds, becoming southeast around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows in the lower 40s. .WEDNESDAY NIGHT...Clear. Lows in the mid 40s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 80. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$ ILZ064-065-170600- Bond IL-Fayette IL- Including the city of Vandalia 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy with a chance of showers this evening, then mostly clear after midnight. Cooler with lows in the mid 30s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .SATURDAY...Areas of frost in the morning. Sunny. Highs around 60. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lowsin the mid 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows in the upper 30s. .WEDNESDAY NIGHT...Clear. Lows in the lower 40s. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs around 80. Lows in the upper 40s. $$ ILZ060-170600- Montgomery IL- Including the city of Litchfield 502 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .TONIGHT...Mostly cloudy with a chance of showers this evening, then mostly clear after midnight. Cooler with lows in the mid 30s. North winds 10 to 15 mph. Chance of rain 30 percent. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the upper 50s. North winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds, becoming southeast around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows in the upper 30s. .WEDNESDAY NIGHT...Clear. Lows in the lower 40s. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs around 80. Lows in the upper 40s. $$ ILZ079-MOZ075-170600- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy with a slight chance of showers this evening, then partly cloudy after midnight. Cooler with lows in the upper 30s. North winds 10 to 15 mph. Gusts up to 30 mph this evening. Chance of rain 20 percent. .SATURDAY...Sunny. Highs around 60. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Northeast winds around 5 mph in the evening, becoming light and variable. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows around 40. .WEDNESDAY NIGHT...Clear. Lows in the lower 40s. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the lower 80s. Lows in the upper 40s. $$ MOZ059-062-072-073-170600- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy with a slight chance of showers this evening, then partly cloudy after midnight. Cooler with lows in the mid 30s. North winds 10 to 15 mph. Gusts up to 30 mph this evening. Chance of rain 20 percent. .SATURDAY...Patchy frost in the morning. Sunny. Highs around 60. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows around 40. .WEDNESDAY NIGHT...Clear. Lows in the mid 40s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 80. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$ ILZ102-MOZ065-170600- Monroe IL-Jefferson MO- 502 PM CDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy with a slight chance of showers this evening, then partly cloudy after midnight. Cooler with lows in the upper 30s. North winds 10 to 15 mph. Gusts up to 30 mph this evening. Chance of rain 20 percent. .SATURDAY...Sunny. Highs around 60. North winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in themid 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows around 40. .WEDNESDAY NIGHT...Clear. Lows in the lower 40s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 80. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$