345
FNUS53 KDTX 300809
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
409 AM EDT Wed Sep 30 2026

.DISCUSSION...Rain chances increase from west to east today,
persisting into Friday, ahead of a slow moving cold front. The
influx of tropical moisture leads to a very muggy airmass on
Thursday. The front exits late Thursday into Friday morning.

MIZ047-048-053-060-061-302115-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
409 AM EDT Wed Sep 30 2026

.TODAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    showers after 8 am until 2 pm, then rain
                    showers likely until 5 pm, then chance of rain
                    showers. Chance of precipitation 70 percent.
Max temperature.....66-72.
   24 hr trend......6 degrees cooler.
Min humidity........60-70 percent.
   24 hr trend......24 percent wetter.
20-foot winds.......South 5 to 10 mph.
Mixing height.......1760-2260 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Good (340).
Pcpn amount.........0.11-0.25 in.

.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Chance of showers until
                    0200, then showers. Chance of precipitation 90
                    percent.
Min temperature.....Around 61.
   24 hr trend......Unchanged.
Max humidity........99 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......Southwest 10 to 15 mph diminishing to around 5
                    mph after midnight.
Mixing height.......900-1100 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Poor (31).
Pcpn amount.........0.11-0.25 in.

.THURSDAY...
Sky/weather.........Cloudy (75-85 percent). Showers likely until
                    1400, then showers. Chance of precipitation 90
                    percent.
Max temperature.....66-71.
   24 hr trend......Unchanged.
Min humidity........84-94 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......Southwest 10 to 15 mph diminishing to around 5
                    mph early in the afternoon.
Mixing height.......880-1380 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Fair (203).
Pcpn amount.........0.26-0.50 in.


$$

MIZ049-054-055-062-302115-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
409 AM EDT Wed Sep 30 2026

.TODAY...
Sky/weather.........Cloudy (75-85 percent). Chance of showers
                    after 2 pm. Chance of precipitation 60 percent.
Max temperature.....69-74.
   24 hr trend......4 degrees cooler.
Min humidity........57-67 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Southwest 5 to 10 mph.
Mixing height.......2090-2590 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Good (370).
Pcpn amount.........0.06-0.10 in.

.TONIGHT...
Sky/weather.........Cloudy (80-90 percent). Chance of showers
                    after 11 pm until 2 am, then showers.
                    Chance of precipitation 90 percent.
Min temperature.....55-60.
   24 hr trend......2 degrees warmer.
Max humidity........99 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......Southwest 10 to 15 mph diminishing to around 5
                    mph after midnight.
Mixing height.......880-1080 ft agl.
Transport winds.....Southwest around 15 mph.
Smoke dispersal.....Poor (37).
Pcpn amount.........0.11-0.25 in.

.THURSDAY...
Sky/weather.........Cloudy (75-85 percent). Showers likely until
                    1400, then showers. Chance of precipitation 90
                    percent.
Max temperature.....Around 70.
   24 hr trend......2 degrees cooler.
Min humidity........84-94 percent.
   24 hr trend......26 percent wetter.
20-foot winds.......Southwest 10 to 15 mph diminishing to around 5
                    mph early in the afternoon.
Mixing height.......850-1350 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Fair (167).
Pcpn amount.........0.26-0.50 in.


$$

MIZ063-068>070-075-076-082-083-302115-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
409 AM EDT Wed Sep 30 2026

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain
                    showers after 2 pm. Chance of precipitation 40
                    percent.
Max temperature.....68-74.
   24 hr trend......1 degree cooler.
Min humidity........51-61 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......South 5 to 10 mph.
Mixing height.......2050-2550 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Good (336).
Pcpn amount.........0.01-0.05 in.

.TONIGHT...
Sky/weather.........Cloudy (75-85 percent). Showers likely until
                    2300, then chance of showers. Chance of
                    precipitation 90 percent.
Min temperature.....Around 61.
   24 hr trend......3 degrees warmer.
Max humidity........89-99 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......South 5 to 10 mph.
Mixing height.......880-1080 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Poor (26).
Pcpn amount.........0.11-0.25 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (65-75 percent). Chance of
                    showers until 11 am. Chance of showers after 2 pm.
                    Chance of precipitation 80 percent.
Max temperature.....70-76.
   24 hr trend......1 degree cooler.
Min humidity........61-71 percent.
   24 hr trend......19 percent wetter.
20-foot winds.......Southwest 10 to 15 mph.
Mixing height.......2050-2550 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Good (356).
Pcpn amount.........0.11-0.25 in.


$$


.FORECAST DAYS 3 THROUGH 7...

.FRIDAY...Showers. Lows in the lower 50s. Highs in the mid 60s.
Northwest winds around 5 mph.
.SATURDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
Northeast winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid
60s. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 30s. Highs in the upper
50s.
.TUESDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
50s.

$$

KGK