


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
180 FNUS53 KDTX 170755 FWFDTX Fire Weather Planning Forecast for Southeast Michigan National Weather Service Detroit/Pontiac MI 355 AM EDT Thu Jul 17 2025 .DISCUSSION...Areas north of I-69 could see a few additional showers this morning before a cold front clears east. Winds veer toward the northwest today, with afternoon gusts increasing to around 20 or 25 mph. Cooler and less humid air filters in through Friday as high pressure crosses Lower Michigan. MIZ047-048-053-060-061-172115- Midland-Bay-Saginaw-Shiawassee-Genesee- Including the cities of Midland-Bay City-Saginaw-Owosso-Flint 355 AM EDT Thu Jul 17 2025 .TODAY... Sky/weather.........Mostly cloudy (65-75 percent). Slight chance of thunderstorms until 5 am. Chance of showers until 8 am. Chance of precipitation 40 percent. Max temperature.....72-77. 24 hr trend......15 degrees cooler. Min humidity........60-70 percent. 24 hr trend......10 percent wetter. 20-foot winds.......West around 10 mph becoming northwest 15 to 20 mph until late afternoon, then diminishing to around 10 mph early in the afternoon. Mixing height.......3830-4330 ft agl. Transport winds.....West 20 to 25 mph becoming northwest around 15 mph early in the afternoon. Smoke dispersal.....Excellent (655). Pcpn amount.........0.01-0.05 in. .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent). Min temperature.....54-58. 24 hr trend......16 degrees cooler. Max humidity........89-99 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Northeast 5 to 10 mph until early morning becoming light. Mixing height.......740-940 ft agl. Transport winds.....Northeast 5 to 10 mph. Smoke dispersal.....Poor (9). Pcpn amount.........None. .FRIDAY... Sky/weather.........Mostly sunny (10-20 percent). Max temperature.....74-78. 24 hr trend......2 degrees warmer. Min humidity........44-54 percent. 24 hr trend......19 percent drier. 20-foot winds.......East around 5 mph becoming southeast in the late morning and afternoon. Mixing height.......4890-5390 ft agl. Transport winds.....East around 5 mph becoming south early in the afternoon. Smoke dispersal.....Fair (292). Pcpn amount.........None. $$ MIZ049-054-055-062-172115- Huron-Tuscola-Sanilac-Lapeer- Including the cities of Bad Axe-Caro-Sandusky-Lapeer 355 AM EDT Thu Jul 17 2025 .TODAY... Sky/weather.........Mostly cloudy (60-70 percent). Chance of showers and slight chance of thunderstorms until 8 am, then slight chance of showers until 11 am. Chance of precipitation 50 percent. Max temperature.....71-76. 24 hr trend......13 degrees cooler. Min humidity........68-78 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Southwest around 10 mph becoming northwest 15 to 20 mph until late afternoon, then becoming north early in the afternoon. Mixing height.......2890-3390 ft agl. Transport winds.....Southwest around 20 mph becoming northwest. Smoke dispersal.....Good (558). Pcpn amount.........0.06-0.10 in. .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent). Min temperature.....52-58. 24 hr trend......16 degrees cooler. Max humidity........90-100 percent. 24 hr trend......1 percent drier. 20-foot winds.......North 5 to 10 mph. Mixing height.......780-980 ft agl. Transport winds.....North 10 to 15 mph becoming northeast around 5 mph after midnight. Smoke dispersal.....Poor (10). Pcpn amount.........None. .FRIDAY... Sky/weather.........Mostly sunny (10-20 percent). Max temperature.....72-78. 24 hr trend......2 degrees warmer. Min humidity........45-55 percent. 24 hr trend......24 percent drier. 20-foot winds.......East 5 to 10 mph becoming southeast early in the afternoon. Mixing height.......4710-5210 ft agl. Transport winds.....East around 5 mph becoming southeast in the late morning and afternoon. Smoke dispersal.....Fair (269). Pcpn amount.........None. $$ MIZ063-068>070-075-076-082-083-172115- St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Port Huron-Howell-Pontiac-Warren-Ann Arbor-Detroit-Adrian-Monroe 355 AM EDT Thu Jul 17 2025 .TODAY... Sky/weather.........Mostly cloudy (65-75 percent) until 2 pm, then partly cloudy (50-60 percent). Max temperature.....76-80. 24 hr trend......8 degrees cooler. Min humidity........58-68 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West 10 to 15 mph becoming northwest in the late morning and afternoon. Mixing height.......4120-4620 ft agl. Transport winds.....West 20 to 25 mph becoming northwest early in the afternoon. Smoke dispersal.....Excellent (731). Pcpn amount.........None. .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent). Min temperature.....54-58. 24 hr trend......16 degrees cooler. Max humidity........89-99 percent. 24 hr trend......2 percent drier. 20-foot winds.......North 5 to 10 mph becoming northeast after midnight. Mixing height.......520-720 ft agl. Transport winds.....North 10 to 15 mph becoming northeast after midnight. Smoke dispersal.....Poor (12). Pcpn amount.........None. .FRIDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....74-80. 24 hr trend......Unchanged. Min humidity........43-53 percent. 24 hr trend......20 percent drier. 20-foot winds.......East around 5 mph becoming southeast in the late morning and afternoon. Mixing height.......5020-5520 ft agl. Transport winds.....East around 10 mph becoming south early in the afternoon. Smoke dispersal.....Fair (262). Pcpn amount.........None. $$ .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 60s. Highs around 80. South winds around 5 mph. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 60s. Highs in the upper 70s. North winds around 5 mph. .MONDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower 80s. East winds around 5 mph. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. .WEDNESDAY...Mostly clear. Chance of showers. Lows in the upper 60s. Highs around 90. $$ KGK