307
FNUS53 KGRR 311934
FWFGRR

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

...Dry Through The End Of The Week...

.DISCUSSION...
High pressure will bring dry conditions with ample sunshine
through the rest of the week. Winds will be 10 mph or less.
The ample sunshine will allow MinRHs to fall into the mid 30s
to mid 40s each day. Wind direction will be from the east to
northeast.

MIZ037>039-043>045-010815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
334 PM EDT Thu Jul 31 2025

.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....47-52.
   24 hr trend......3 degrees cooler.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 9 mph.
Mixing height.......2100-2600 ft AGL decreasing to 100-600 ft AGL
                    overnight.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....40-320 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (0-5 percent).
Max temperature.....75-80.
   24 hr trend......Unchanged.
Min humidity........43-48 percent near Lake Michigan and 31-36
                    percent Inland.
   24 hr trend......2 percent drier near Lake Michigan and 8
                    percent drier Inland.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......5400-5900 ft AGL near Lake Michigan and
                    6800-7300 ft AGL Inland.
Transport winds.....North around 10 mph.
Smoke dispersal.....580 (good).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....49-54.
   24 hr trend......Unchanged.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds around 5 mph in the evening
                    becoming light.
Mixing height.......700-1200 ft AGL near Lake Michigan and
                    1900-2400 ft AGL Inland.
Transport winds.....Northeast around 5 mph shifting to the
                    southeast overnight.
Smoke dispersal.....40-130 (poor to fair).
Pcpn Amount.........None.

.SATURDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....77-82.
   24 hr trend......3 degrees warmer.
Min humidity........35-40 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Light winds becoming northwest around 5 mph in
                    the afternoon.
Mixing height.......Near Lake Michigan, 3400-3900 ft AGL.
Mixing height.......Inland, 5900-6400 ft AGL increasing to
                    8200-8700 ft AGL in the afternoon.
Transport winds.....Northwest around 5 mph.
Smoke dispersal.....380-460 (good).
Pcpn Amount.........None.


$$

MIZ040-046-010815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
334 PM EDT Thu Jul 31 2025

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent) until 2 AM, then
                    clear (0-10 percent).
Min temperature.....45-50.
   24 hr trend......5 degrees cooler.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 8 mph.
Mixing height.......2300-2800 ft AGL decreasing to 0-500 ft AGL
                    overnight.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....40-290 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 77.
   24 hr trend......1 degree cooler.
Min humidity........33-38 percent.
   24 hr trend......16 percent drier.
20-foot winds.......Northeast winds 5 to 9 mph.
Mixing height.......6900-7400 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....630-690 (excellent).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Clear (0-10 percent).
Min temperature.....47-52.
   24 hr trend......Unchanged.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......2000-2500 ft AGL decreasing to 0-400 ft AGL
                    overnight.
Transport winds.....East around 5 mph shifting to the southwest
                    overnight.
Smoke dispersal.....20-130 (poor to fair).
Pcpn Amount.........None.

.SATURDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 81.
   24 hr trend......5 degrees warmer.
Min humidity........35-40 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Northwest winds 5 to 6 mph.
Mixing height.......6600-7100 ft AGL increasing to 9000-9500 ft AGL
                    in the afternoon.
Transport winds.....Northwest around 5 mph.
Smoke dispersal.....500-550 (good).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-010815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
334 PM EDT Thu Jul 31 2025

.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....52-57.
   24 hr trend......5 degrees cooler.
Max humidity........81-86 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......3300-3800 ft AGL decreasing to 400-900 ft AGL
                    overnight.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....60-380 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....75-80.
   24 hr trend......2 degrees cooler.
Min humidity........35-40 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......5800-6300 ft AGL near Lake Michigan and
                    6700-7200 ft AGL Inland.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....790-830 (excellent).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....52-57.
   24 hr trend......1 degree cooler.
Max humidity........85-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds around 5 mph in the evening
                    becoming light.
Mixing height.......Near Lake Michigan, 3200-3700 ft AGL in the
                    evening.
Mixing height.......0-500 ft AGL overnight.
Mixing height.......Inland, 2200-2700 ft AGL in the evening.
Transport winds.....Northeast around 10 mph shifting to the
                    southeast overnight.
Smoke dispersal.....40-220 (poor to fair).
Pcpn Amount.........None.

.SATURDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....78-83.
   24 hr trend......4 degrees warmer.
Min humidity........36-41 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Light winds becoming north around 6 mph in the
                    afternoon.
Mixing height.......Near Lake Michigan, 5500-6000 ft AGL.
Mixing height.......Inland, 6000-6500 ft AGL increasing to
                    8100-8600 ft AGL in the afternoon.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....580-750 (good to excellent).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-010815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
334 PM EDT Thu Jul 31 2025

.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....50-55.
   24 hr trend......6 degrees cooler.
Max humidity........85-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......3300-3800 ft AGL decreasing to 100-600 ft AGL
                    overnight.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....50-340 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....75-80.
   24 hr trend......1 degree cooler.
Min humidity........36-41 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......6800-7300 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....700-790 (excellent).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....51-56.
   24 hr trend......Unchanged.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds around 5 mph in the evening becoming
                    light.
Mixing height.......3600-4100 ft AGL decreasing to 0-500 ft AGL
                    overnight.
Transport winds.....Southeast 5 to 10 mph.
Smoke dispersal.....30-100 (poor).
Pcpn Amount.........None.

.SATURDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....78-83.
   24 hr trend......3 degrees warmer.
Min humidity........36-41 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Light winds becoming east around 5 mph in the
                    afternoon.
Mixing height.......6200-6700 ft AGL increasing to 8700-9200 ft AGL
                    in the afternoon.
Transport winds.....Northeast around 5 mph.
Smoke dispersal.....400-540 (good).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-010815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
334 PM EDT Thu Jul 31 2025

.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 53.
   24 hr trend......7 degrees cooler.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......2700-3200 ft AGL decreasing to 100-600 ft AGL
                    overnight.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....60-290 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 76.
   24 hr trend......1 degree cooler.
Min humidity........41-46 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......6400-6900 ft AGL.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....860-890 (excellent).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 52.
   24 hr trend......Unchanged.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds around 5 mph in the evening
                    becoming light.
Mixing height.......2100-2600 ft AGL decreasing to 0-500 ft AGL
                    overnight.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....40-90 (poor).
Pcpn Amount.........None.

.SATURDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 79.
   24 hr trend......2 degrees warmer.
Min humidity........42-47 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Northeast winds 5 to 6 mph.
Mixing height.......4700-5200 ft AGL increasing to 6900-7400 ft AGL
                    in the afternoon.
Transport winds.....East around 10 mph.
Smoke dispersal.....570-670 (good to excellent).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. West 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 up to 5 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 in the lower 60s. Southeast
winds 5 to 8 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
5 to 9 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.

$$