277
FNUS53 KGRR 311947
FWFGRR

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

...Dry until Wednesday...

.DISCUSSION...High pressure will continue to dominate the pattern
through Wednesday. The only fire weather concern will be RH/s
dropping to the mid 30s in the afternoons. Winds will remain light
and variable.

MIZ037>039-043>045-010830-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
347 PM EDT Sun Aug 31 2025

.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....44-49.
   24 hr trend......4 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......300-800 ft AGL.
Transport winds.....North around 5 mph shifting to the southeast
                    overnight.
Smoke dispersal.....40-50 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....75-80.
   24 hr trend......2 degrees warmer.
Min humidity........48-53 percent near Lake Michigan and 35-40
                    percent Inland.
   24 hr trend......11 percent wetter near Lake Michigan and 3
                    percent wetter Inland.
20-foot winds.......Southeast winds 5 to 6 mph.
Mixing height.......Near Lake Michigan, 3600-4100 ft AGL.
Mixing height.......Inland, 5400-5900 ft AGL increasing to
                    7400-7900 ft AGL in the afternoon.
Transport winds.....Southeast around 5 mph.
Smoke dispersal.....260-380 (fair to good).
Pcpn Amount.........none to 0.01 in.

.MONDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....47-52.
   24 hr trend......3 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 6 mph.
Mixing height.......300-800 ft AGL.
Transport winds.....East around 5 mph shifting to the southeast
                    overnight.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....75-80.
   24 hr trend......Unchanged.
Min humidity........52-57 percent near Lake Michigan and 37-42
                    percent Inland.
   24 hr trend......7 percent wetter near Lake Michigan and 2
                    percent wetter Inland.
20-foot winds.......Southwest winds 5 to 6 mph.
Mixing height.......3000-3500 ft AGL near Lake Michigan and
                    8000-8500 ft AGL Inland.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....420-730 (good to excellent).
Pcpn Amount.........None.


$$

MIZ040-046-010830-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
347 PM EDT Sun Aug 31 2025

.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent). Patchy fog after
                    6 AM.
Min temperature.....42-47.
   24 hr trend......4 degrees warmer.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds up to 5 mph.
Mixing height.......700-1200 ft AGL.
Transport winds.....Southeast around 5 mph.
Smoke dispersal.....40-60 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 79.
   24 hr trend......1 degree warmer.
Min humidity........32-37 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Light winds becoming southeast around 5 mph in
                    the afternoon.
Mixing height.......4700-5200 ft AGL increasing to 6700-7200 ft AGL
                    in the afternoon.
Transport winds.....Southeast around 5 mph.
Smoke dispersal.....230-430 (fair to good).
Pcpn Amount.........None.

.MONDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....46-51.
   24 hr trend......2 degrees warmer.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 6 mph.
Mixing height.......300-800 ft AGL.
Transport winds.....Southeast 5 to 10 mph.
Smoke dispersal.....30-60 (poor).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 80.
   24 hr trend......1 degree warmer.
Min humidity........30-35 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds up to 5 mph.
Mixing height.......6500-7000 ft AGL increasing to 9200-9700 ft AGL
                    in the afternoon.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....350-700 (good to excellent).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-010830-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
347 PM EDT Sun Aug 31 2025

.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.......300-800 ft AGL.
Transport winds.....North around 5 mph shifting to the east
                    overnight.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....76-81.
   24 hr trend......3 degrees warmer.
Min humidity........36-41 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Light winds becoming northeast around 5 mph in
                    the afternoon.
Mixing height.......4700-5200 ft AGL near Lake Michigan and
                    6300-6800 ft AGL Inland.
Transport winds.....East around 5 mph.
Smoke dispersal.....390-420 (good).
Pcpn Amount.........None.

.MONDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....50-55.
   24 hr trend......4 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......300-800 ft AGL.
Transport winds.....Northeast around 5 mph shifting to the
                    southeast overnight.
Smoke dispersal.....40-50 (poor).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....77-82.
   24 hr trend......Unchanged.
Min humidity........45-50 percent near Lake Michigan and 36-41
                    percent Inland.
   24 hr trend......7 percent wetter near Lake Michigan and 1
                    percent wetter Inland.
20-foot winds.......Light winds.
Mixing height.......3800-4300 ft AGL near Lake Michigan and
                    8200-8700 ft AGL Inland.
Transport winds.....South around 5 mph shifting to the west in the
                    afternoon.
Smoke dispersal.....300-570 (good).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-010830-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
347 PM EDT Sun Aug 31 2025

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent). Patchy fog after 6
                    AM.
Min temperature.....45-50.
   24 hr trend......3 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 6 mph.
Mixing height.......500-1000 ft AGL.
Transport winds.....East around 5 mph.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 79.
   24 hr trend......2 degrees warmer.
Min humidity........35-40 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds becoming east around 6 mph in the
                    afternoon.
Mixing height.......6300-6800 ft AGL.
Transport winds.....East around 5 mph.
Smoke dispersal.....320-470 (good).
Pcpn Amount.........None.

.MONDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....49-54.
   24 hr trend......3 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 5 to 6 mph.
Mixing height.......400-900 ft AGL.
Transport winds.....Southeast 5 to 10 mph.
Smoke dispersal.....40-50 (poor).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 81.
   24 hr trend......1 degree warmer.
Min humidity........34-39 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Light winds becoming south around 5 mph in the
                    afternoon.
Mixing height.......6100-6600 ft AGL increasing to 8700-9200 ft AGL
                    in the afternoon.
Transport winds.....South around 5 mph.
Smoke dispersal.....300-590 (good).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-010830-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
347 PM EDT Sun Aug 31 2025

.TONIGHT...
Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 48.
   24 hr trend......3 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 6 mph.
Mixing height.......300-800 ft AGL.
Transport winds.....East around 5 mph.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.LABOR DAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 79.
   24 hr trend......1 degree warmer.
Min humidity........37-42 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Light winds becoming east around 6 mph in the
                    afternoon.
Mixing height.......6100-6600 ft AGL.
Transport winds.....East around 5 mph.
Smoke dispersal.....340-440 (good).
Pcpn Amount.........None.

.MONDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....48-53.
   24 hr trend......3 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds around 5 mph in the evening
                    becoming light.
Mixing height.......600-1100 ft AGL.
Transport winds.....Southeast 5 to 10 mph.
Smoke dispersal.....40 (poor).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 80.
   24 hr trend......2 degrees warmer.
Min humidity........35-40 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Southeast winds up to 5 mph.
Mixing height.......5900-6400 ft AGL increasing to 8100-8600 ft AGL
                    in the afternoon.
Transport winds.....Southeast around 5 mph shifting to the
                    southwest in the afternoon.
Smoke dispersal.....280-440 (fair to good).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Light winds
becoming south up to 5 mph overnight.
.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 around
50. West winds 5 to 9 mph.
.THURSDAY...Cooler. Partly sunny with a chance of showers. Highs in
the lower 60s. West winds 6 to 11 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southwest
winds 5 to 9 mph.
.FRIDAY...Partly sunny with a chance of showers. Highs in the lower
60s. Southwest winds 6 to 11 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SATURDAY...Mostly sunny. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.SUNDAY...Mostly sunny. Highs in the mid 60s.

$$