767
FNUS53 KDTX 210806
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
406 AM EDT Thu Aug 21 2025

.DISCUSSION...High pressure drifts overhead today and Friday, while
northeast flow continues to generate lake enhanced cloud cover for
most of today. Winds subside and become variable overnight to
support clearing skies for Friday. Temperatures near normal combine
with lowering moisture content to bring minimum RH values from about
55 to 65 percent today to 40 to 50 percent on Friday.

MIZ047-048-053-060-061-212115-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
406 AM EDT Thu Aug 21 2025

.REST OF TODAY...
Sky/weather.........Partly cloudy (40-50 percent).
Max temperature.....74-80.
   24 hr trend......1 degree warmer.
Min humidity........54-64 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northeast 5 to 10 mph.
Mixing height.......4300-4800 ft agl.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....Good (493).
Pcpn amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent). Patchy fog after
                    2 am.
Min temperature.....56-62.
   24 hr trend......3 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast around 5 mph early in the evening
                    becoming light.
Mixing height.......740-940 ft agl.
Transport winds.....East 5 to 10 mph becoming south after midnight.
Smoke dispersal.....Poor (5).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Partly cloudy (25-35 percent).
Max temperature.....80-84.
   24 hr trend......7 degrees warmer.
Min humidity........47-57 percent.
   24 hr trend......14 percent drier.
20-foot winds.......Light winds becoming southwest 5 to 10 mph in
                    the late morning and afternoon.
Mixing height.......4910-5410 ft agl.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....Good (518).
Pcpn amount.........None.


$$

MIZ049-054-055-062-212115-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
406 AM EDT Thu Aug 21 2025

.REST OF TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) until 2 pm, then
                    partly cloudy (45-55 percent).
Max temperature.....72-76.
   24 hr trend......1 degree warmer.
Min humidity........63-73 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northeast 5 to 10 mph.
Mixing height.......3940-4440 ft agl.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....Good (462).
Pcpn amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent). Patchy fog after
                    2 am.
Min temperature.....56-60.
   24 hr trend......2 degrees cooler.
Max humidity........100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast around 5 mph early in the evening
                    becoming light.
Mixing height.......780-980 ft agl.
Transport winds.....Northeast 5 to 10 mph becoming northwest after
                    midnight.
Smoke dispersal.....Poor (4).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Partly cloudy (30-40 percent).
Max temperature.....78-82.
   24 hr trend......7 degrees warmer.
Min humidity........50-60 percent.
   24 hr trend......16 percent drier.
20-foot winds.......Light winds becoming southwest 5 to 10 mph in
                    the late morning and afternoon.
Mixing height.......3950-4450 ft agl.
Transport winds.....West around 5 mph becoming southwest early in
                    the afternoon.
Smoke dispersal.....Fair (257).
Pcpn amount.........None.


$$

MIZ063-068>070-075-076-082-083-212115-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
406 AM EDT Thu Aug 21 2025

.REST OF TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) until 2 pm, then
                    partly cloudy (50-60 percent).
Max temperature.....72-78.
   24 hr trend......1 degree warmer.
Min humidity........59-69 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Northeast 5 to 10 mph.
Mixing height.......4360-4860 ft agl.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....Good (547).
Pcpn amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent). Patchy fog after
                    5 am.
Min temperature.....56-60.
   24 hr trend......3 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
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 (4).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....80-84.
   24 hr trend......6 degrees warmer.
Min humidity........43-53 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Light winds becoming east around 5 mph in the
                    late morning and early afternoon, then becoming
                    south early in the afternoon.
Mixing height.......4690-5190 ft agl.
Transport winds.....North around 5 mph becoming east in the late
                    morning and early afternoon, then becoming
                    south early in the afternoon.
Smoke dispersal.....Fair (210).
Pcpn amount.........None.


$$


.FORECAST DAYS 3 THROUGH 7...

.SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows
in the lower 60s. Highs in the lower 80s. Southwest winds around
5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the mid 70s.
West winds around 5 mph.
.MONDAY...Mostly clear. Chance of showers. Lows in the lower 50s.
Highs in the upper 60s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the upper
60s.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the lower
70s.

$$

MV