741
FNUS53 KGRR 040823
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
423 AM EDT Thu Sep 4 2025

...Partly Cloudy Thursday Then Windy Friday ...

.DISCUSSION...
Cooler than average temperatures continue into early next week.
Today may have a few light lake-effect rain showers in West
Michigan but it will be mostly dry and partly cloudy. Most of
the daytime Friday will be rather breezy with gusts frequently
25 to 35 mph from the southwest becoming west. There may be
a period of rain early Friday morning, but amounts will be
fairly light. Rain amounts around a quarter inch are more
favored north of Muskegon and west of Baldwin toward Ludington.


MIZ037>039-043>045-042015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
423 AM EDT Thu Sep 4 2025

.TODAY...
Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....61-66.
   24 hr trend......4 degrees cooler.
Min humidity........44-49 percent.
   24 hr trend......28 percent drier.
20-foot winds.......West winds 6 to 11 mph.
Mixing height.......6100-6600 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....1000-1260 (excellent).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 11 PM, then
                    mostly cloudy (75-85 percent). Rain showers
                    after 2 AM.
Chance of pcpn......80 percent after midnight.
Min temperature.....44-49.
   24 hr trend......6 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 7 to 12 mph. Gusts up to 25 mph
                    overnight.
Mixing height.......3400-3900 ft AGL near Lake Michigan and
                    1900-2400 ft AGL Inland.
Transport winds.....South around 10 mph increasing to around 20 mph
                    overnight.
Smoke dispersal.....190-470 (fair to good).
Pcpn Amount.........0.01-0.44 in.

.FRIDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of rain
                    showers until 2 PM.
Chance of pcpn......30 percent until midday.
Max temperature.....59-64.
   24 hr trend......1 degree cooler.
Min humidity........53-58 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......West winds 13 to 18 mph with gusts to around 30
                    mph.
Mixing height.......5000-5500 ft AGL.
Transport winds.....West 25 to 30 mph.
Smoke dispersal.....1330-1520 (excellent).
Pcpn Amount.........none to 0.08 in.


$$

MIZ040-046-042015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
423 AM EDT Thu Sep 4 2025

.TODAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....60-65.
   24 hr trend......8 degrees cooler.
Min humidity........39-44 percent.
   24 hr trend......21 percent drier.
20-foot winds.......West winds 6 to 11 mph.
Mixing height.......6400-6900 ft AGL.
Transport winds.....West around 10 mph increasing to around 20 mph
                    in the afternoon.
Smoke dispersal.....1060-1320 (excellent).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 2 AM, then
                    mostly cloudy (80-90 percent). Chance of rain
                    showers after 2 AM.
Chance of pcpn......50 percent overnight.
Min temperature.....42-47.
   24 hr trend......4 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 6 to 11 mph. Gusts up to 23 mph
                    overnight.
Mixing height.......900-1400 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....140-210 (fair).
Pcpn Amount.........None to 0.14 in.

.FRIDAY...
Sky/weather.........Partly sunny (55-65 percent). Chance of rain
                    showers until 2 PM.
Chance of pcpn......30 percent until midday.
Max temperature.....60-65.
   24 hr trend......1 degree warmer.
Min humidity........49-54 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......West winds 14 to 19 mph with gusts to around 31
                    mph.
Mixing height.......5200-5700 ft AGL.
Transport winds.....West 30 to 35 mph.
Smoke dispersal.....1690-1760 (excellent).
Pcpn Amount.........none to 0.03 in.


$$

MIZ050-056-064-071-042015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
423 AM EDT Thu Sep 4 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent) until 5 PM, then
                    sunny (20-30 percent). Chance of sprinkles
                    until 2 PM.
Max temperature.....61-66.
   24 hr trend......5 degrees cooler.
Min humidity........46-51 percent.
   24 hr trend......25 percent drier.
20-foot winds.......West winds 5 to 10 mph.
Mixing height.......5700-6200 ft AGL.
Transport winds.....West 10 to 15 mph.
Smoke dispersal.....860-1030 (excellent).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent) until 5 AM, then
                    mostly cloudy (75-85 percent). Chance of rain
                    showers after 2 AM.
Chance of pcpn......40 percent overnight.
Min temperature.....47-52.
   24 hr trend......1 degree warmer.
Max humidity........85-90 percent.
   24 hr trend......23 percent drier.
20-foot winds.......South winds 7 to 12 mph. Gusts up to 26 mph
                    overnight.
Mixing height.......3000-3500 ft AGL near Lake Michigan and
                    2200-2700 ft AGL Inland.
Transport winds.....South around 10 mph increasing to around 20 mph
                    overnight.
Smoke dispersal.....160 (fair) increasing to 800 (excellent)
                    overnight.
Pcpn Amount.........None to 0.22 in.

.FRIDAY...
Sky/weather.........Partly sunny (55-65 percent).
Max temperature.....62-67.
   24 hr trend......Unchanged.
Min humidity........51-56 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......West winds 15 to 20 mph with gusts to around 32
                    mph.
Mixing height.......5100-5600 ft AGL.
Transport winds.....West 25 to 30 mph.
Smoke dispersal.....1400-1480 (excellent).
Pcpn Amount.........none to 0.05 in.


$$

MIZ051-052-057>059-042015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
423 AM EDT Thu Sep 4 2025

.TODAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 63.
   24 hr trend......5 degrees cooler.
Min humidity........46-51 percent.
   24 hr trend......26 percent drier.
20-foot winds.......West winds 7 to 12 mph.
Mixing height.......6300-6800 ft AGL.
Transport winds.....Northwest around 10 mph increasing to west
                    around 20 mph in the afternoon.
Smoke dispersal.....930-1270 (excellent).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent) until 5 AM, then
                    mostly cloudy (70-80 percent). Chance of rain
                    showers after 2 AM.
Chance of pcpn......30 percent overnight.
Min temperature.....46-51.
   24 hr trend......2 degrees warmer.
Max humidity........85-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 7 to 12 mph. Gusts up to 24 mph
                    overnight.
Mixing height.......1000-1500 ft AGL.
Transport winds.....Southwest around 10 mph increasing to south
                    around 20 mph overnight.
Smoke dispersal.....70-350 (poor to good).
Pcpn Amount.........none to 0.05 in.

.FRIDAY...
Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....62-67.
   24 hr trend......Unchanged.
Min humidity........52-57 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......West winds 16 to 21 mph with gusts to around 33
                    mph.
Mixing height.......5200-5700 ft AGL.
Transport winds.....West 30 to 35 mph.
Smoke dispersal.....1690-1920 (excellent).
Pcpn Amount.........none to 0.04 in.


$$

MIZ065>067-072>074-042015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
423 AM EDT Thu Sep 4 2025

.TODAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 65.
   24 hr trend......11 degrees cooler.
Min humidity........50-55 percent.
   24 hr trend......3 percent drier.
20-foot winds.......West winds 5 to 9 mph.
Mixing height.......5900-6400 ft AGL.
Transport winds.....West 10 to 15 mph.
Smoke dispersal.....740-1090 (excellent).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....Around 47.
   24 hr trend......1 degree cooler.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 6 to 11 mph. Gusts up to 22 mph
                    overnight.
Mixing height.......1700-2200 ft AGL.
Transport winds.....Southwest around 10 mph increasing to south
                    around 20 mph overnight.
Smoke dispersal.....60-370 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....67-72.
   24 hr trend......3 degrees warmer.
Min humidity........52-57 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......West winds 15 to 20 mph with gusts to around 32
                    mph.
Mixing height.......4900-5400 ft AGL.
Transport winds.....Southwest around 35 mph becoming west around 25
                    mph in the afternoon.
Smoke dispersal.....1700-1930 (excellent).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. West winds 5 to
9 mph.
.SATURDAY...Mostly sunny. Highs in the lower 60s. West winds 6 to
11 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. West winds
5 to 6 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs in the lower 60s. Northwest winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 40. Northwest winds 5 to
6 mph in the evening becoming light.
.MONDAY...Sunny. Highs in the upper 60s. Southwest winds 5 to 9 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.

$$