Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
808 FNUS53 KDTX 262000 FWFDTX Fire Weather Planning Forecast for Southeast Michigan National Weather Service Detroit/Pontiac MI 400 PM EDT Thu Sep 26 2024 .DISCUSSION...High pressure across the area today still supports dry and less humid weather tonight and Friday. Easterly wind becomes the first sign of Helene during Friday as gusts around 30 mph are possible Friday evening, especially toward the Ohio border. MIZ047-048-053-060-061-270815- Midland-Bay-Saginaw-Shiawassee-Genesee- Including the cities of Midland-Bay City-Saginaw-Owosso-Flint 400 PM EDT Thu Sep 26 2024 .TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent). Min temperature.....52-56. 24 hr trend......1 degree warmer. Max humidity........93-100 percent. 24 hr trend......Unchanged. 20-foot winds.......East around 5 mph early in the evening becoming light, then becoming northeast around 5 mph after midnight. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......740-940 ft agl. Transport winds.....East around 10 mph. Smoke dispersal.....Poor (14). Pcpn amount.........None. .FRIDAY... Sky/weather.........Mostly cloudy (60-70 percent). Max temperature.....70-76. 24 hr trend......1 degree cooler. Min humidity........41-51 percent. 24 hr trend......6 percent drier. 20-foot winds.......Northeast 5 to 10 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......3520-4020 ft agl. Transport winds.....East 15 to 20 mph. Smoke dispersal.....Excellent (734). Pcpn amount.........None. .FRIDAY NIGHT... Sky/weather.........Cloudy (75-85 percent). Min temperature.....58-62. 24 hr trend......8 degrees warmer. Max humidity........86-96 percent. 24 hr trend......13 percent drier. 20-foot winds.......Northeast 10 to 15 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......530-730 ft agl. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor (51). Pcpn amount.........0.01-0.05 in. .SATURDAY... Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain showers. Chance of precipitation 30 percent. Max temperature.....68-72. 24 hr trend......3 degrees cooler. Min humidity........64-74 percent. 24 hr trend......34 percent wetter. 20-foot winds.......Northeast 10 to 15 mph. Haines Index........2 or very low potential for large plume dominated fire growth. Mixing height.......1430-1930 ft agl. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Good (338). Pcpn amount.........None. $$ MIZ049-054-055-062-270815- Huron-Tuscola-Sanilac-Lapeer- Including the cities of Bad Axe-Caro-Sandusky-Lapeer 400 PM EDT Thu Sep 26 2024 .TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent). Min temperature.....52-56. 24 hr trend......Unchanged. Max humidity........90-100 percent. 24 hr trend......Unchanged. 20-foot winds.......East around 5 mph early in the evening becoming light, then becoming east around 5 mph after midnight. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......740-940 ft agl. Transport winds.....East around 10 mph. Smoke dispersal.....Poor (12). Pcpn amount.........None. .FRIDAY... Sky/weather.........Mostly cloudy (60-70 percent). Max temperature.....70-75. 24 hr trend......1 degree cooler. Min humidity........43-53 percent. 24 hr trend......5 percent drier. 20-foot winds.......Northeast 5 to 10 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......3180-3680 ft agl. Transport winds.....East 15 to 20 mph. Smoke dispersal.....Excellent (652). Pcpn amount.........None. .FRIDAY NIGHT... Sky/weather.........Mostly cloudy (75-85 percent). Min temperature.....56-60. 24 hr trend......7 degrees warmer. Max humidity........89-99 percent. 24 hr trend......10 percent drier. 20-foot winds.......Northeast 10 to 15 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......940-1140 ft agl. Transport winds.....East around 15 mph. Smoke dispersal.....Poor (38). Pcpn amount.........0.06-0.10 in. .SATURDAY... Sky/weather.........Cloudy (75-85 percent). Chance of precipitation 20 percent. Max temperature.....Around 71. 24 hr trend......1 degree cooler. Min humidity........72-82 percent. 24 hr trend......35 percent wetter. 20-foot winds.......Northeast 10 to 15 mph. Haines Index........2 or very low potential for large plume dominated fire growth. Mixing height.......1400-1900 ft agl. Transport winds.....East around 15 mph. Smoke dispersal.....Fair (266). Pcpn amount.........None. $$ MIZ063-068>070-075-076-082-083-270815- St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Port Huron-Howell-Pontiac-Warren-Ann Arbor-Detroit-Adrian-Monroe 400 PM EDT Thu Sep 26 2024 .TONIGHT... Sky/weather.........Cloudy (75-85 percent). Min temperature.....54-60. 24 hr trend......3 degrees warmer. Max humidity........90-100 percent. 24 hr trend......5 percent drier. 20-foot winds.......Northeast 5 to 10 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......840-1040 ft agl. Transport winds.....East 10 to 15 mph. Smoke dispersal.....Poor (16). Pcpn amount.........None. .FRIDAY... Sky/weather.........Cloudy (75-85 percent). Chance of showers after 2 pm. Max temperature.....72-77. 24 hr trend......1 degree cooler. Min humidity........44-54 percent. 24 hr trend......5 percent drier. 20-foot winds.......Northeast 10 to 15 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......3040-3540 ft agl. Transport winds.....East 20 to 25 mph. Smoke dispersal.....Excellent (819). Pcpn amount.........None. .FRIDAY NIGHT... Sky/weather.........Cloudy (85-95 percent). Chance of showers. Chance of precipitation 40 percent. Min temperature.....58-64. 24 hr trend......4 degrees warmer. Max humidity........91-100 percent. 24 hr trend......9 percent wetter. 20-foot winds.......Northeast 10 to 15 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......680-880 ft agl. Transport winds.....East around 20 mph. Smoke dispersal.....Poor (51). Pcpn amount.........0.11-0.25 in. .SATURDAY... Sky/weather.........Cloudy (80-90 percent). Chance of showers. Chance of precipitation 50 percent. Max temperature.....68-74. 24 hr trend......3 degrees cooler. Min humidity........75-85 percent. 24 hr trend......37 percent wetter. 20-foot winds.......Northeast 10 to 15 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......2020-2520 ft agl. Transport winds.....East around 15 mph. Smoke dispersal.....Good (350). Pcpn amount.........0.06-0.10 in. $$ .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Mostly cloudy with chance of showers. Lows around 60. Highs in the lower 70s. Northeast winds around 10 mph. .MONDAY...Partly cloudy. Chance of showers. Lows in the upper 50s. Highs in the mid 70s. East winds around 5 mph. .TUESDAY...Partly cloudy. Chance of showers. Lows in the upper 50s. Highs in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. .THURSDAY...Mostly clear. Lows in the mid 40s. Highs around 70. $$ BT