034 FLUS43 KAPX 182208 HWOAPX Hazardous Weather Outlook National Weather Service Gaylord MI 608 PM EDT Mon May 18 2026 MIZ016>018-020>036-041-042-086>088-095>099-192215- Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency- Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona- Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac- Western Chippewa-Central Chippewa-Southeast Chippewa- Western Mackinac-Eastern Mackinac- Mackinac Island/Bois Blanc Island- Beaver Island and surrounding islands-Charlevoix- 608 PM EDT Mon May 18 2026 This hazardous weather outlook is for Eastern Upper Michigan and Northern Lower Michigan. .DAY ONE...Tonight. A few additional thunderstorms are possible tonight. These storms are not expected to be severe. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered thunderstorms are expected again on Tuesday. There is a small chance a few of these thunderstorms could become severe. Potential for frost development returns Tuesday night through Thursday night. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any significant weather and rainfall amounts to the National Weather Service. Reports may be made one of three ways: Online: weather.gov/gaylord Facebook: facebook.com/nwsgaylord Twitter: twitter.com/nwsgaylord For more information visit http://weather.gov/gaylord. $$ LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-192215- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island-St Ignace to False Detour Channel- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary-Sturgeon Pt to Alabaster MI- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- Manistee to Point Betsie MI- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- St. Marys River Point Iroquois to E. Potagannissing Bay- 608 PM EDT Mon May 18 2026 This hazardous weather outlook is for the northern Michigan nearshore waters of Lake Huron, Lake Michigan and Lake Superior. .DAY ONE...Tonight. A few additional thunderstorms are possible tonight. These storms are not expected to be severe. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered thunderstorms are expected again on Tuesday. There is a small chance a few of these thunderstorms could become severe. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any significant weather and rainfall amounts to the National Weather Service. Reports may be made one of three ways: Online: weather.gov/gaylord Facebook: facebook.com/nwsgaylord Twitter: twitter.com/nwsgaylord For more information visit http://weather.gov/gaylord. $$  843 FLUS43 KDTX 182218 HWODTX Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 618 PM EDT Mon May 18 2026 MIZ047>049-053>055-060>063-068>070-075-076-082-083-190745- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 618 PM EDT Mon May 18 2026 This hazardous weather outlook is for southeast Michigan. .DAY ONE...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday The risk for severe weather exists again Tuesday mainly during the afternoon and evening hours, with strong winds, large hail and heavy rainfall possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is no longer needed tonight. $$ LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-190745- Lake St Clair- Michigan Waters of Lake Erie from Detroit River to North Cape MI- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI- Port Sanilac to Port Huron MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 618 PM EDT Mon May 18 2026 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Tonight A small craft advisory is in effect through this evening. Refer to the latest marine forecast for details. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday The risk for severe weather exists again Tuesday mainly during the afternoon and evening hours, with strong winds, large hail and heavy rainfall possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is no longer needed tonight. $$ You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. BT  558 FLUS44 KTSA 182254 HWOTSA Hazardous Weather Outlook National Weather Service Tulsa OK 554 PM CDT Mon May 18 2026 ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071- 073>075-154-172-176-254-272-276-354-376-192300- Benton-Carroll-Washington AR-Madison-Northern Crawford- Northern Franklin-North and Central Sebastian-Southern Crawford- Central and Southern Franklin-Southern Sebastian-Pushmataha- Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers- Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair- Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage- Northern Sequoyah-Northern Le Flore-Northeast Osage- Central and Southern Sequoyah-Central Le Flore-Southeast Osage- Southern Le Flore- 554 PM CDT Mon May 18 2026 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Tonight. TORNADO. RISK...Limited. AREA...Northeast Oklahoma. ONSET...Late Tonight. SEVERE THUNDERSTORM. RISK...Limited. AREA...Mainly Northeast Oklahoma and Far Northwest Arkansas. ONSET...Late Tonight. SIGNIFICANT WINDS. RISK...Limited. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...Ongoing. DISCUSSION... A line of thunderstorms along an approaching cold front is expected to enter northeast Oklahoma late tonight and move southeast across the area towards morning through Tuesday morning. Damaging winds will be the main severe weather threat with these storms, with a low chance for an isolated brief tornadic spinup along the line. Gusty south winds will continue this evening and overnight until the arrival of the aforementioned cold front. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local Spotter Activation May Be Needed. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. TUESDAY...Thunderstorm Potential...High Wind Potential. WEDNESDAY...Thunderstorm Potential. THURSDAY...Thunderstorm Potential...Heavy Rain Potential. FRIDAY through SUNDAY...Thunderstorm Potential. EXTENDED DISCUSSION... Storm activity will be ongoing Tuesday, gradually working southeast through the morning and early afternoon. A few severe storms will remain possible, with damaging winds the main threat, and hail a lesser threat. Much cooler air will move in throughout the day behind the cold front. A few additional showers and possibly a thunderstorm will develop Tuesday night into Wednesday. Additional rounds of showers and thunderstorms are expected through the latter half of the week into the weekend as well. Temperatures will remain mostly below normal. weather.gov/tulsa contains additional information. $$