


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
834 FNUS53 KDTX 032002 FWFDTX Fire Weather Planning Forecast for Southeast Michigan National Weather Service Detroit/Pontiac MI 402 PM EDT Wed Sep 3 2025 .DISCUSSION...Bands of showers and thunderstorms move across southern Lower Michigan late tonight through tonight. Most of the rain falls between 5 PM and 1 AM tonight. The activity moves into Lake Huron and Ontario by sunrise leaving dry weather and cooler temperatures through Thursday. The next chance of rain occurs with a reinforcing cold front Friday followed by below normal temperatures this weekend. MIZ047-048-053-060-061-040830- Midland-Bay-Saginaw-Shiawassee-Genesee- Including the cities of Midland-Bay City-Saginaw-Owosso-Flint 402 PM EDT Wed Sep 3 2025 .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent). Rain showers and slight chance of thunderstorms until 11 pm, then showers likely until 5 am, then chance of showers. Chance of precipitation 100 percent. Min temperature.....44-50. 24 hr trend......6 degrees cooler. Max humidity........92-100 percent. 24 hr trend......12 percent wetter. 20-foot winds.......West 5 to 10 mph. Mixing height.......900-1100 ft agl. Transport winds.....West around 15 mph becoming northwest in the late evening and overnight. Smoke dispersal.....Poor (25). Pcpn amount.........0.26-0.50 in. .THURSDAY... Sky/weather.........Partly cloudy (45-55 percent). Max temperature.....62-67. 24 hr trend......14 degrees cooler. Min humidity........42-52 percent. 24 hr trend......4 percent drier. 20-foot winds.......West 5 to 10 mph. Mixing height.......6170-6670 ft agl. Transport winds.....West 15 to 20 mph. Smoke dispersal.....Excellent (1191). Pcpn amount.........None. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent). Min temperature.....46-50. 24 hr trend......2 degrees cooler. Max humidity........77-87 percent. 24 hr trend......20 percent drier. 20-foot winds.......Southwest around 5 mph becoming south in the late evening and overnight. Mixing height.......780-980 ft agl. Transport winds.....West around 10 mph becoming south in the late evening and early morning, then increasing to around 20 mph after midnight. Smoke dispersal.....Poor (19). Pcpn amount.........0.01-0.05 in. .FRIDAY... Sky/weather.........Partly cloudy (55-65 percent). Chance of precipitation 20 percent. Max temperature.....64-70. 24 hr trend......3 degrees warmer. Min humidity........50-60 percent. 24 hr trend......7 percent wetter. 20-foot winds.......Southwest around 20 mph becoming west in the late morning and afternoon. Mixing height.......5080-5580 ft agl. Transport winds.....Southwest around 35 mph becoming west around 25 mph early in the afternoon. Smoke dispersal.....Excellent (1797). Pcpn amount.........None. $$ MIZ049-054-055-062-040830- Huron-Tuscola-Sanilac-Lapeer- Including the cities of Bad Axe-Caro-Sandusky-Lapeer 402 PM EDT Wed Sep 3 2025 .TONIGHT... Sky/weather.........Cloudy (80-90 percent). Slight chance of thunderstorms until 11 pm. Rain showers until 0500, then chance of showers. Chance of precipitation 100 percent. Min temperature.....46-50. 24 hr trend......6 degrees cooler. Max humidity........95-100 percent. 24 hr trend......13 percent wetter. 20-foot winds.......West around 10 mph becoming northwest in the late evening and overnight. Mixing height.......900-1100 ft agl. Transport winds.....West around 15 mph becoming northwest in the late evening and overnight. Smoke dispersal.....Poor (23). Pcpn amount.........0.26-0.50 in. .THURSDAY... Sky/weather.........Partly cloudy (55-65 percent). Max temperature.....62-67. 24 hr trend......15 degrees cooler. Min humidity........45-52 percent. 24 hr trend......1 percent wetter. 20-foot winds.......West 10 to 15 mph. Mixing height.......6010-6510 ft agl. Transport winds.....West 15 to 20 mph. Smoke dispersal.....Excellent (1097). Pcpn amount.........None. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent). Min temperature.....42-48. 24 hr trend......4 degrees cooler. Max humidity........79-89 percent. 24 hr trend......14 percent drier. 20-foot winds.......Southwest 5 to 10 mph becoming south after midnight. Mixing height.......740-940 ft agl. Transport winds.....West around 10 mph becoming southwest in the late evening and early morning, then increasing to south around 20 mph after midnight. Smoke dispersal.....Poor (11). Pcpn amount.........None. .FRIDAY... Sky/weather.........Partly cloudy (55-65 percent). Chance of precipitation 20 percent. Max temperature.....Around 70. 24 hr trend......5 degrees warmer. Min humidity........50-59 percent. 24 hr trend......8 percent wetter. 20-foot winds.......Southwest 20 to 25 mph becoming west early in the afternoon. Mixing height.......5600-6100 ft agl. Transport winds.....Southwest around 35 mph becoming west around 25 mph early in the afternoon. Smoke dispersal.....Excellent (1876). Pcpn amount.........None. $$ MIZ063-068>070-075-076-082-083-040830- St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Port Huron-Howell-Pontiac-Warren-Ann Arbor-Detroit-Adrian-Monroe 402 PM EDT Wed Sep 3 2025 .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of thunderstorms until 2 am. Rain showers until 0500, then chance of showers. Chance of precipitation 100 percent. Min temperature.....48-54. 24 hr trend......4 degrees cooler. Max humidity........90-100 percent. 24 hr trend......8 percent wetter. 20-foot winds.......West 5 to 10 mph becoming northwest after midnight. Mixing height.......940-1140 ft agl. Transport winds.....West around 15 mph becoming northwest in the late evening and overnight. Smoke dispersal.....Poor (21). Pcpn amount.........0.51-0.75 in. .THURSDAY... Sky/weather.........Partly cloudy (50-60 percent). Max temperature.....63-68. 24 hr trend......13 degrees cooler. Min humidity........42-52 percent. 24 hr trend......7 percent wetter. 20-foot winds.......Northwest 5 to 10 mph becoming west early in the afternoon. Mixing height.......5930-6430 ft agl. Transport winds.....Northwest around 15 mph becoming west in the late morning and afternoon. Smoke dispersal.....Excellent (981). Pcpn amount.........0.01-0.05 in. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent). Min temperature.....44-48. 24 hr trend......5 degrees cooler. Max humidity........80-90 percent. 24 hr trend......14 percent drier. 20-foot winds.......West around 5 mph becoming south in the late evening and overnight. Mixing height.......640-840 ft agl. Transport winds.....West around 10 mph becoming south in the late evening and overnight. Smoke dispersal.....Poor (6). Pcpn amount.........None. .FRIDAY... Sky/weather.........Partly cloudy (45-55 percent). Max temperature.....68-74. 24 hr trend......5 degrees warmer. Min humidity........43-53 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Southwest 15 to 20 mph becoming west early in the afternoon. Mixing height.......5870-6370 ft agl. Transport winds.....Southwest 30 to 35 mph becoming west around 25 mph early in the afternoon. Smoke dispersal.....Excellent (1824). Pcpn amount.........None. $$ .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. West winds around 10 mph. .SUNDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. West winds around 5 mph. .MONDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. Northwest winds around 5 mph. .TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. $$ BT