Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI

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777
FNUS53 KGRR 310906
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
506 AM EDT Sun Aug 31 2025

...Dry until Wednesday...

.DISCUSSION...
Dry weather with low relative humidity continues through Tuesday
under high pressure. A cold front will bring a chance of rain
by late Wednesday.

MIZ037>039-043>045-312015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
506 AM EDT Sun Aug 31 2025

.TODAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....68-73 near Lake Michigan and around 76 Inland.
   24 hr trend......3 degrees warmer near Lake Michigan and 5
                    degrees warmer Inland.
Min humidity........43-48 percent near Lake Michigan and 32-37
                    percent Inland.
   24 hr trend......5 percent drier near Lake Michigan and 2
                    percent drier Inland.
20-foot winds.......Light winds.
Mixing height.......3200-3700 ft AGL near Lake Michigan and
                    6300-6800 ft AGL Inland.
Transport winds.....Northeast around 5 mph.
Smoke dispersal.....220-330 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....41-46.
   24 hr trend......7 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......200-700 ft AGL.
Transport winds.....Northeast around 5 mph shifting to the
                    southeast overnight.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....76-81.
   24 hr trend......4 degrees warmer.
Min humidity........48-53 percent near Lake Michigan and 35-40
                    percent Inland.
   24 hr trend......4 percent wetter near Lake Michigan and 3
                    percent wetter Inland.
20-foot winds.......Southeast winds 5 to 6 mph.
Mixing height.......Near Lake Michigan, 3300-3800 ft AGL.
Mixing height.......Inland, 5500-6000 ft AGL increasing to
                    7500-8000 ft AGL in the afternoon.
Transport winds.....Southeast around 5 mph.
Smoke dispersal.....310-400 (good).
Pcpn Amount.........None.


$$

MIZ040-046-312015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
506 AM EDT Sun Aug 31 2025

.TODAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 78.
   24 hr trend......3 degrees warmer.
Min humidity........30-35 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Light winds.
Mixing height.......6600-7100 ft AGL.
Transport winds.....East around 5 mph.
Smoke dispersal.....220-300 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....41-46.
   24 hr trend......7 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......400-900 ft AGL.
Transport winds.....Southeast 5 to 10 mph.
Smoke dispersal.....30-50 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 79.
   24 hr trend......3 degrees warmer.
Min humidity........34-39 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southeast winds 5 to 6 mph.
Mixing height.......5000-5500 ft AGL increasing to 7500-8000 ft AGL
                    in the afternoon.
Transport winds.....Southeast around 5 mph.
Smoke dispersal.....320-440 (good).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-312015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
506 AM EDT Sun Aug 31 2025

.TODAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....73-78.
   24 hr trend......4 degrees warmer.
Min humidity........33-38 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Light winds.
Mixing height.......4300-4800 ft AGL near Lake Michigan and
                    6000-6500 ft AGL Inland.
Transport winds.....Southeast around 5 mph shifting to the
                    northeast in the afternoon.
Smoke dispersal.....270-350 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....46-51.
   24 hr trend......3 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......100-600 ft AGL.
Transport winds.....North around 5 mph shifting to the southeast
                    overnight.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....77-82.
   24 hr trend......4 degrees warmer.
Min humidity........36-41 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Light winds becoming northeast around 5 mph in
                    the afternoon.
Mixing height.......4300-4800 ft AGL near Lake Michigan and
                    6600-7100 ft AGL Inland.
Transport winds.....East around 5 mph.
Smoke dispersal.....440-580 (good).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-312015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
506 AM EDT Sun Aug 31 2025

.TODAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 77.
   24 hr trend......3 degrees warmer.
Min humidity........33-38 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Light winds.
Mixing height.......6200-6700 ft AGL.
Transport winds.....Southeast around 5 mph shifting to the east in
                    the afternoon.
Smoke dispersal.....180-300 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....46-51.
   24 hr trend......2 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds up to 5 mph.
Mixing height.......400-900 ft AGL.
Transport winds.....Southeast around 5 mph.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 80.
   24 hr trend......4 degrees warmer.
Min humidity........36-41 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Light winds becoming east around 6 mph in the
                    afternoon.
Mixing height.......4800-5300 ft AGL increasing to 6900-7400 ft AGL
                    in the afternoon.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....420-540 (good).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-312015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
506 AM EDT Sun Aug 31 2025

.TODAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 76.
   24 hr trend......3 degrees warmer.
Min humidity........34-39 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Light winds.
Mixing height.......6000-6500 ft AGL.
Transport winds.....Southeast around 5 mph shifting to the east in
                    the afternoon.
Smoke dispersal.....260-430 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 47.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......100-600 ft AGL.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 79.
   24 hr trend......3 degrees warmer.
Min humidity........38-43 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......Light winds becoming east around 5 mph in the
                    afternoon.
Mixing height.......6500-7000 ft AGL.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....460-570 (good).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.MONDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds up
to 5 mph in the evening becoming light.
.TUESDAY...Sunny. Highs around 80. South winds 5 to 6 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southwest
winds up to 5 mph.
.WEDNESDAY...Mostly sunny. Chance of showers in the afternoon. Highs
in the upper 70s. Southwest winds 6 to 11 mph.
.WEDNESDAY NIGHT...Mostly cloudy with showers likely. Lows in the
upper 40s. West winds 5 to 9 mph.
.THURSDAY...Cooler. Partly sunny with a chance of showers. Highs in
the lower 60s. West winds 7 to 12 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.FRIDAY...Mostly cloudy with a chance of showers. Highs in the lower
60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SATURDAY...Mostly sunny. Highs in the mid 60s.

$$