Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
108 FNUS53 KDTX 200800 FWFDTX Fire Weather Planning Forecast for Southeast Michigan National Weather Service Detroit/Pontiac MI 400 AM EDT Fri Sep 20 2024 .DISCUSSION...Dry conditions with above normal temperatures, moderate humidity, and light southeast wind continue today. Scattered light showers are possible this afternoon and early tonight head of a cold front. Dry and warm conditions are likely again Saturday with westerly winds and brief high pressure influence. MIZ047-048-053-060-061-202100- Midland-Bay-Saginaw-Shiawassee-Genesee- Including the cities of Midland-Bay City-Saginaw-Owosso-Flint 400 AM EDT Fri Sep 20 2024 .TODAY... Sky/weather.........Partly cloudy (50-60 percent) until 8 am, then mostly cloudy (60-70 percent). Patchy fog until 11 am. Slight chance of showers after 11 am until 5 pm. Slight chance of thunderstorms after 2 pm until 5 pm, then chance of showers and thunderstorms. Chance of precipitation 30 percent. Max temperature.....78-84. 24 hr trend......1 degree warmer. Min humidity........46-56 percent. 24 hr trend......5 percent wetter. 20-foot winds.......South 5 to 10 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......4920-5420 ft agl. Transport winds.....South 10 to 15 mph. Smoke dispersal.....Excellent (655). Pcpn amount.........0.01-0.05 in. .TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent) until 2 am, then partly cloudy (50-60 percent). Chance of showers and thunderstorms until 11 pm, then slight chance of showers and thunderstorms until 2 am. Chance of precipitation 30 percent. Min temperature.....58-62. 24 hr trend......1 degree warmer. Max humidity........95-100 percent. 24 hr trend......3 percent wetter. 20-foot winds.......South around 5 mph becoming west after midnight. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......780-980 ft agl. Transport winds.....South around 10 mph becoming west after midnight. Smoke dispersal.....Poor (12). Pcpn amount.........0.01-0.05 in. .SATURDAY... Sky/weather.........Partly cloudy (25-35 percent). Max temperature.....78-84. 24 hr trend......Unchanged. Min humidity........41-51 percent. 24 hr trend......3 percent drier. 20-foot winds.......West 5 to 10 mph becoming northwest early in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......4990-5490 ft agl. Transport winds.....Northwest 5 to 10 mph. Smoke dispersal.....Good (566). Pcpn amount.........None. $$ MIZ049-054-055-062-202100- Huron-Tuscola-Sanilac-Lapeer- Including the cities of Bad Axe-Caro-Sandusky-Lapeer 400 AM EDT Fri Sep 20 2024 .TODAY... Sky/weather.........Partly cloudy (45-55 percent) until 2 pm, then mostly cloudy (60-70 percent). Patchy fog until 11 am. Slight chance of showers after 11 am. Slight chance of thunderstorms after 2 pm. Chance of precipitation 20 percent. Max temperature.....76-82. 24 hr trend......Unchanged. Min humidity........47-57 percent. 24 hr trend......5 percent wetter. 20-foot winds.......South 5 to 10 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......4250-4750 ft agl. Transport winds.....South around 10 mph. Smoke dispersal.....Good (433). Pcpn amount.........None. .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent) until 2 am, then partly cloudy (50-60 percent). Chance of showers and thunderstorms until 2 am, then slight chance of showers and thunderstorms. Chance of precipitation 30 percent. Min temperature.....Around 60. 24 hr trend......3 degrees warmer. Max humidity........93-100 percent. 24 hr trend......Unchanged. 20-foot winds.......South 5 to 10 mph becoming southwest after midnight. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......780-980 ft agl. Transport winds.....South around 10 mph becoming southwest after midnight. Smoke dispersal.....Poor (7). Pcpn amount.........0.06-0.10 in. .SATURDAY... Sky/weather.........Partly cloudy (30-40 percent). Max temperature.....76-82. 24 hr trend......Unchanged. Min humidity........48-58 percent. 24 hr trend......2 percent drier. 20-foot winds.......West 5 to 10 mph becoming north early in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......4110-4610 ft agl. Transport winds.....Northwest 5 to 10 mph becoming north early in the afternoon. Smoke dispersal.....Good (476). Pcpn amount.........None. $$ MIZ063-068>070-075-076-082-083-202100- St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Port Huron-Howell-Pontiac-Warren-Ann Arbor-Detroit-Adrian-Monroe 400 AM EDT Fri Sep 20 2024 .TODAY... Sky/weather.........Partly cloudy (45-55 percent). Areas of fog until 11 am. Slight chance of showers and thunderstorms after 5 pm. Chance of precipitation 20 percent. Max temperature.....82-86. 24 hr trend......Unchanged. Min humidity........40-50 percent. 24 hr trend......3 percent drier. 20-foot winds.......Light winds becoming southeast 5 to 10 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......5540-6040 ft agl. Transport winds.....Southeast around 5 mph becoming south in the late morning and afternoon. Smoke dispersal.....Good (561). Pcpn amount.........0.01-0.05 in. .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent) until 2 am, then partly cloudy (50-60 percent). Chance of showers and thunderstorms until 11 pm, then slight chance of showers and thunderstorms until 5 am. Chance of precipitation 30 percent. Min temperature.....58-64. 24 hr trend......4 degrees warmer. Max humidity........92-100 percent. 24 hr trend......2 percent drier. 20-foot winds.......Southeast around 5 mph becoming south in the late evening and early morning, then becoming west after midnight. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......740-940 ft agl. Transport winds.....Southeast around 10 mph becoming south in the late evening and early morning, then becoming northwest after midnight. Smoke dispersal.....Poor (7). Pcpn amount.........0.01-0.05 in. .SATURDAY... Sky/weather.........Partly cloudy (30-40 percent). Max temperature.....80-86. 24 hr trend......3 degrees warmer. Min humidity........39-49 percent. 24 hr trend......Unchanged. 20-foot winds.......Northwest 5 to 10 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......4730-5230 ft agl. Transport winds.....Northwest around 10 mph. Smoke dispersal.....Excellent (641). Pcpn amount.........None. $$ .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 50s. Highs in the lower 80s. Southeast winds around 5 mph. .MONDAY...Not as warm. Cloudy with showers likely and slight chance of thunderstorms. Lows around 60. Highs in the lower 70s. North winds around 5 mph. .TUESDAY...Mostly cloudy with chance of showers. Lows in the upper 50s. Highs in the lower 70s. Northwest winds around 5 mph. .WEDNESDAY...Mostly cloudy with chance of showers. Lows in the mid 50s. Highs in the lower 70s. .THURSDAY...Partly cloudy. Chance of showers. Lows in the lower 50s. Highs in the lower 70s. $$ KGK