543
FNUS53 KGRR 310901
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
501 AM EDT Thu Jul 31 2025

...Cooler and drier period coming up...

.DISCUSSION...
Some light rain will remain possible this morning along the I-94
corridor. Rain will come to an end at all locations by early this
afternoon. High pressure will build in by Friday, and hold over
the area through the weekend.

MIZ037>039-043>045-312030-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
501 AM EDT Thu Jul 31 2025

.TODAY...
Sky/weather.........Mostly sunny (45-55 percent).
Max temperature.....76-81.
   24 hr trend......3 degrees warmer.
Min humidity........38-43 percent.
   24 hr trend......22 percent drier.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......5600-6100 ft AGL near Lake Michigan and
                    7000-7500 ft AGL Inland.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....840-850 (excellent).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....47-52.
   24 hr trend......5 degrees cooler.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 9 mph.
Mixing height.......2000-2500 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....40-260 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....75-80.
   24 hr trend......1 degree cooler.
Min humidity........39-44 percent near Lake Michigan and 31-36
                    percent Inland.
   24 hr trend......1 percent wetter near Lake Michigan and 7
                    percent drier Inland.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......5600-6100 ft AGL near Lake Michigan and
                    7200-7700 ft AGL Inland.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....640-660 (excellent).
Pcpn Amount.........None.


$$

MIZ040-046-312030-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
501 AM EDT Thu Jul 31 2025

.TODAY...
Sky/weather.........Mostly sunny (45-55 percent).
Max temperature.....Around 76.
   24 hr trend......2 degrees warmer.
Min humidity........40-45 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......6700-7200 ft AGL.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....920-950 (excellent).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (20-30 percent).
Min temperature.....46-51.
   24 hr trend......7 degrees cooler.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 9 mph.
Mixing height.......1900-2400 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....40-270 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 77.
   24 hr trend......1 degree warmer.
Min humidity........32-37 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Northeast winds 5 to 9 mph.
Mixing height.......7400-7900 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....680-690 (excellent).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-312030-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
501 AM EDT Thu Jul 31 2025

.TODAY...
Sky/weather.........Partly sunny (45-55 percent).
Max temperature.....78-83.
   24 hr trend......3 degrees cooler.
Min humidity........39-44 percent.
   24 hr trend......23 percent drier.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......6800-7300 ft AGL.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....680-860 (excellent).
Pcpn Amount.........none to 0.06 in.

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....52-57.
   24 hr trend......5 degrees cooler.
Max humidity........85-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......2800-3300 ft AGL decreasing to 400-900 ft AGL
                    overnight.
Transport winds.....East 10 to 15 mph.
Smoke dispersal.....80-340 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....76-81.
   24 hr trend......2 degrees cooler.
Min humidity........34-39 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......7000-7500 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....830-890 (excellent).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-312030-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
501 AM EDT Thu Jul 31 2025

.TODAY...
Sky/weather.........Mostly sunny (45-55 percent).
Max temperature.....Around 79.
   24 hr trend......4 degrees cooler.
Min humidity........43-48 percent.
   24 hr trend......17 percent drier.
20-foot winds.......Northeast winds 7 to 12 mph.
Mixing height.......6800-7300 ft AGL.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....850-960 (excellent).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....50-55.
   24 hr trend......8 degrees cooler.
Max humidity........84-89 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......3400-3900 ft AGL decreasing to 100-600 ft AGL
                    overnight.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....60-330 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 78.
   24 hr trend......1 degree cooler.
Min humidity........35-40 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......7100-7600 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....850-860 (excellent).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-312030-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
501 AM EDT Thu Jul 31 2025

.TODAY...
Sky/weather.........Mostly cloudy (70-80 percent) until 2 PM, then
                    mostly sunny (30-40 percent). Chance of showers
                    until 2 PM.
Chance of pcpn......50 percent until midday.
Max temperature.....Around 77.
   24 hr trend......6 degrees cooler.
Min humidity........48-53 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Northeast winds 7 to 12 mph.
Mixing height.......4200-4700 ft AGL increasing to 6200-6700 ft AGL
                    in the afternoon.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....770-970 (excellent).
Pcpn Amount.........None to 0.16 in.

.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....Around 53.
   24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 10 mph. Gusts up to 22 mph
                    in the evening.
Mixing height.......1500-2000 ft AGL.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....70-210 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 76.
   24 hr trend......1 degree cooler.
Min humidity........42-47 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Northeast winds 7 to 12 mph.
Mixing height.......6700-7200 ft AGL.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....920 (excellent).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast winds
5 to 6 mph in the evening becoming light.
.SATURDAY...Sunny. Highs around 80. Northeast winds 5 to 6 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest winds
up to 5 mph in the evening becoming light.
.SUNDAY...Sunny. Highs in the lower 80s. South winds 5 to 6 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds 5 to 6 mph in the evening becoming light.
.MONDAY...Mostly sunny. Highs in the lower 80s. Southeast winds 5 to
9 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60.
.TUESDAY...Mostly sunny. Highs in the lower 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s.

$$