Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
764 FNUS53 KDTX 191942 FWFDTX Fire Weather Planning Forecast for Southeast Michigan National Weather Service Detroit/Pontiac MI 342 PM EDT Thu Sep 19 2024 .DISCUSSION...Dry conditions with above normal temperatures, moderate humidity, and light southeast wind continue into tomorrow. Scattered light showers will then be possible starting late tomorrow afternoon into tomorrow night ahead of a cold front. Dry and warm conditions are likely to start this weekend with the next potential round of rain moving in Sunday afternoon. More seasonable temperatures move in early next week with continued rain chances. MIZ047-048-053-060-061-200815- Midland-Bay-Saginaw-Shiawassee-Genesee- Including the cities of Midland-Bay City-Saginaw-Owosso-Flint 342 PM EDT Thu Sep 19 2024 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent). Patchy fog after 2 am. Min temperature.....58-62. 24 hr trend......3 degrees warmer. Max humidity........90-100 percent. 24 hr trend......4 percent drier. 20-foot winds.......East around 5 mph becoming south in the late evening and overnight. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......740-940 ft agl. Transport winds.....Southeast around 5 mph becoming south in the late evening and overnight. Smoke dispersal.....Poor (9). Pcpn amount.........None. .FRIDAY... Sky/weather.........Mostly cloudy (60-70 percent). Patchy fog until 11 am. Slight chance of thunderstorms after 2 pm until 5 pm. Chance of showers after 2 pm. Chance of thunderstorms after 5 pm. Chance of precipitation 30 percent. Max temperature.....78-84. 24 hr trend......Unchanged. Min humidity........46-56 percent. 24 hr trend......6 percent wetter. 20-foot winds.......South 5 to 10 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......3520-4020 ft agl. Transport winds.....South 10 to 15 mph. Smoke dispersal.....Good (530). Pcpn amount.........0.01-0.05 in. .FRIDAY NIGHT... Sky/weather.........Partly cloudy (45-55 percent). Chance of showers and thunderstorms until 2 am. Chance of precipitation 30 percent. Min temperature.....58-64. 24 hr trend......2 degrees warmer. Max humidity........98 percent. 24 hr trend......4 percent wetter. 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.......580-780 ft agl. Transport winds.....South around 10 mph becoming west after midnight. Smoke dispersal.....Poor (7). Pcpn amount.........0.06-0.10 in. .SATURDAY... Sky/weather.........Partly cloudy (30-40 percent) until 2 pm, then sunny (5-15 percent). Max temperature.....78-84. 24 hr trend......2 degrees warmer. Min humidity........38-48 percent. 24 hr trend......6 percent drier. 20-foot winds.......Northwest 5 to 10 mph becoming north early in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......6120-6620 ft agl. Transport winds.....Northwest 5 to 10 mph becoming north early in the afternoon. Smoke dispersal.....Good (570). Pcpn amount.........None. $$ MIZ049-054-055-062-200815- Huron-Tuscola-Sanilac-Lapeer- Including the cities of Bad Axe-Caro-Sandusky-Lapeer 342 PM EDT Thu Sep 19 2024 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent). Patchy fog after 11 pm. Min temperature.....56-60. 24 hr trend......3 degrees warmer. Max humidity........91-100 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southeast 5 to 10 mph becoming south after midnight. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......780-980 ft agl. Transport winds.....Southeast around 10 mph becoming south after midnight. Smoke dispersal.....Poor (11). Pcpn amount.........None. .FRIDAY... Sky/weather.........Partly cloudy (50-60 percent). Patchy fog until 11 am. Chance of showers and slight chance of thunderstorms after 2 pm. Chance of precipitation 30 percent. Max temperature.....76-82. 24 hr trend......Unchanged. Min humidity........49-59 percent. 24 hr trend......6 percent wetter. 20-foot winds.......South 5 to 10 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......3570-4070 ft agl. Transport winds.....South 10 to 15 mph. Smoke dispersal.....Good (468). Pcpn amount.........0.01-0.05 in. .FRIDAY NIGHT... Sky/weather.........Mostly cloudy (55-65 percent) until 2 am, then partly cloudy (55-65 percent). Chance of thunderstorms until 5 am. Chance of showers. Chance of precipitation 40 percent. Min temperature.....56-62. 24 hr trend......2 degrees warmer. Max humidity........98 percent. 24 hr trend......4 percent wetter. 20-foot winds.......South 5 to 10 mph becoming southwest after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......700-900 ft agl. Transport winds.....South 10 to 15 mph becoming west around 5 mph after midnight. Smoke dispersal.....Poor (10). Pcpn amount.........0.06-0.10 in. .SATURDAY... Sky/weather.........Partly cloudy (30-40 percent). Max temperature.....76-82. 24 hr trend......1 degree cooler. Min humidity........48-58 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest around 5 mph becoming north early in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......4620-5120 ft agl. Transport winds.....Northwest around 10 mph becoming north early in the afternoon. Smoke dispersal.....Good (451). Pcpn amount.........None. $$ MIZ063-068>070-075-076-082-083-200815- St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Port Huron-Howell-Pontiac-Warren-Ann Arbor-Detroit-Adrian-Monroe 342 PM EDT Thu Sep 19 2024 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent). Patchy fog after 11 pm. Min temperature.....56-60. 24 hr trend......1 degree warmer. Max humidity........92-100 percent. 24 hr trend......2 percent drier. 20-foot winds.......Southeast 5 to 10 mph until early morning becoming light. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......740-940 ft agl. Transport winds.....Southeast around 5 mph. Smoke dispersal.....Poor (10). Pcpn amount.........None. .FRIDAY... Sky/weather.........Partly cloudy (50-60 percent). Patchy fog until 11 am. Slight chance of showers after 2 pm. Slight chance of thunderstorms after 5 pm. Chance of precipitation 20 percent. Max temperature.....80-86. 24 hr trend......Unchanged. Min humidity........39-49 percent. 24 hr trend......3 percent drier. 20-foot winds.......Southeast 5 to 10 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......5670-6170 ft agl. Transport winds.....South 5 to 10 mph. Smoke dispersal.....Good (579). Pcpn amount.........0.01-0.05 in. .FRIDAY NIGHT... Sky/weather.........Partly cloudy (45-55 percent). Chance of thunderstorms until 11 pm. Chance of showers until 2 am. Chance of precipitation 30 percent. Min temperature.....58-64. 24 hr trend......4 degrees warmer. Max humidity........95-100 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Southeast around 5 mph becoming west after midnight. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......640-840 ft agl. Transport winds.....Southeast around 10 mph becoming west after midnight. Smoke dispersal.....Poor (8). Pcpn amount.........0.06-0.10 in. .SATURDAY... Sky/weather.........Partly cloudy (30-40 percent). Max temperature.....80-86. 24 hr trend......2 degrees warmer. Min humidity........39-49 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Northwest 5 to 10 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......5590-6090 ft agl. Transport winds.....Northwest around 10 mph. Smoke dispersal.....Excellent (648). Pcpn amount.........None. $$ .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Slight chance of showers. Lows in the upper 50s. Highs in the lower 80s. Southeast winds around 5 mph. .MONDAY...Cloudy with chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 70s. South winds around 5 mph. .TUESDAY...Mostly cloudy with chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 70s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy with chance of showers. Lows in the mid 50s. Highs in the lower 70s. .THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. $$ AA