859
FNUS53 KGRR 241934
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
334 PM EDT Sun Aug 24 2025

...Scattered Showers Through Monday and Remaining Cooler...

.DISCUSSION...
Scattered lake effect rain showers will continue through the
day and into the day on Monday, with the best coverage and
the potential for isolated thunderstorms near the lakeshore,
Highs for the next several days will be cool, in the 60s and
70s, with gusts to around 20 mph this afternoon and Monday
afternoon.

MIZ037>039-043>045-250815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
334 PM EDT Sun Aug 24 2025

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    thunderstorms until 5 AM. Chance of rain
                    showers.
Chance of pcpn......50 percent.
Min temperature.....47-52.
   24 hr trend......3 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 10 mph.
Mixing height.......Near Lake Michigan, 4500-5000 ft AGL.
Mixing height.......Inland, 3000-3500 ft AGL decreasing to 600-1100
                    ft AGL overnight.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....190-310 (fair to good).
Pcpn Amount.........0.01-0.23 in.

.MONDAY...
Sky/weather.........Partly sunny (55-65 percent). Chance of rain
                    showers and a slight chance of thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....64-69.
   24 hr trend......4 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Northwest winds 9 to 14 mph.
Mixing height.......5800-6300 ft AGL.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....1040-1090 (excellent).
Pcpn Amount.........none to 0.03 in.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Min temperature.....43-48.
   24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds up to 5 mph.
Mixing height.......3600-4100 ft AGL near Lake Michigan and
                    2200-2700 ft AGL Inland.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....40-290 (poor to fair).
Pcpn Amount.........none to 0.04 in.

.TUESDAY...
Sky/weather.........Mostly sunny (45-55 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Max temperature.....65-70.
   24 hr trend......2 degrees warmer.
Min humidity........37-42 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Northwest winds 5 to 10 mph.
Mixing height.......6100-6600 ft AGL near Lake Michigan and
                    7700-8200 ft AGL Inland.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....1060-1140 (excellent).
Pcpn Amount.........None.


$$

MIZ040-046-250815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
334 PM EDT Sun Aug 24 2025

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent). Slight chance of
                    rain showers until 11 PM. Slight chance of rain
                    showers after 2 AM.
Chance of pcpn......20 percent then 20 percent.
Min temperature.....46-51.
   24 hr trend......2 degrees cooler.
Max humidity........100 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 10 mph.
Mixing height.......2300-2800 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....100-390 (poor to good).
Pcpn Amount.........None to 0.11 in.

.MONDAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Max temperature.....66-71.
   24 hr trend......3 degrees cooler.
Min humidity........43-48 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Northwest winds 9 to 14 mph.
Mixing height.......6200-6700 ft AGL.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....1110-1210 (excellent).
Pcpn Amount.........none to 0.02 in.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (20-30 percent).
Min temperature.....41-46.
   24 hr trend......4 degrees cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 6 mph.
Mixing height.......2000-2500 ft AGL decreasing to 0-500 ft AGL
                    overnight.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....40-320 (poor to good).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....Around 69.
   24 hr trend......1 degree warmer.
Min humidity........36-41 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Northwest winds 5 to 10 mph.
Mixing height.......8600-9100 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....1100-1180 (excellent).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-250815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
334 PM EDT Sun Aug 24 2025

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
                    showers and a slight chance of thunderstorms.
Chance of pcpn......50 percent.
Min temperature.....52-57.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 10 mph.
Mixing height.......Near Lake Michigan, 3000-3500 ft AGL.
Mixing height.......Inland, 3600-4100 ft AGL decreasing to
                    1200-1700 ft AGL overnight.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....250-420 (fair to good).
Pcpn Amount.........0.02-0.22 in.

.MONDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of rain
                    showers and a slight chance of thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....Around 68.
   24 hr trend......2 degrees cooler.
Min humidity........47-52 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Northwest winds 9 to 14 mph.
Mixing height.......5500-6000 ft AGL.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....940-1060 (excellent).
Pcpn Amount.........none to 0.07 in.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Min temperature.....48-53.
   24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 6 mph.
Mixing height.......Near Lake Michigan, 3500-4000 ft AGL decreasing
                    to 1000-1500 ft AGL overnight.
Mixing height.......Inland, 1500-2000 ft AGL.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....30-300 (poor to good).
Pcpn Amount.........none to 0.04 in.

.TUESDAY...
Sky/weather.........Mostly sunny (45-55 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Max temperature.....66-71.
   24 hr trend......1 degree warmer.
Min humidity........39-44 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Northwest winds 5 to 10 mph.
Mixing height.......6000-6500 ft AGL near Lake Michigan and
                    7700-8200 ft AGL Inland.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....870-1060 (excellent).
Pcpn Amount.........none to 0.01 in.


$$

MIZ051-052-057>059-250815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
334 PM EDT Sun Aug 24 2025

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent). Slight chance of
                    rain showers.
Chance of pcpn......20 percent.
Min temperature.....50-55.
   24 hr trend......3 degrees cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 10 mph.
Mixing height.......2000-2500 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....70-340 (poor to good).
Pcpn Amount.........none to 0.05 in.

.MONDAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Max temperature.....Around 69.
   24 hr trend......3 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Northwest winds 9 to 14 mph.
Mixing height.......6300-6800 ft AGL.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....1020-1170 (excellent).
Pcpn Amount.........none to 0.02 in.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....46-51.
   24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 6 mph in the evening
                    becoming light.
Mixing height.......1900-2400 ft AGL.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....40-250 (poor to fair).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....Around 69.
   24 hr trend......1 degree warmer.
Min humidity........39-44 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Northwest winds 6 to 11 mph.
Mixing height.......8800-9300 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....1020-1160 (excellent).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-250815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
334 PM EDT Sun Aug 24 2025

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent). Slight chance of
                    rain showers.
Chance of pcpn......20 percent.
Min temperature.....Around 51.
   24 hr trend......4 degrees cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 9 mph.
Mixing height.......1400-1900 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....50-210 (poor to fair).
Pcpn Amount.........None to 0.12 in.

.MONDAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of rain
                    showers. Slight chance of thunderstorms after
                    11 AM.
Chance of pcpn......30 percent.
Max temperature.....Around 69.
   24 hr trend......3 degrees cooler.
Min humidity........49-54 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Northwest winds 8 to 13 mph.
Mixing height.......5500-6000 ft AGL.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....700-1030 (excellent).
Pcpn Amount.........none to 0.04 in.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (25-35 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Min temperature.....45-50.
   24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 5 mph in the evening
                    becoming light.
Mixing height.......1800-2300 ft AGL.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....40-180 (poor to fair).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Mostly sunny (35-45 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Max temperature.....Around 69.
   24 hr trend......Unchanged.
Min humidity........42-47 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Northwest winds 5 to 10 mph.
Mixing height.......8000-8500 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....830-1020 (excellent).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest winds
5 to 6 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s. West winds 5 to
10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southwest
winds 5 to 9 mph.
.THURSDAY...Partly sunny with a chance of showers. Highs in the
lower 70s. West winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. North winds
5 to 8 mph.
.FRIDAY...Mostly sunny. Highs in the lower 70s. North winds 5 to
9 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly sunny. Highs in the mid 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.

$$