869
FNUS53 KGRR 150811
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
411 AM EDT Tue Sep 15 2026

...Showers and Storms Today...

.DISCUSSION...
Two rounds of showers and storms are expected over the next
24 hours. One is ongoing and the other is expected later today.
Most will see up to 0.5" of rain with locally higher
amounts likely in thunderstorms. Rain chances continue into mid
with low confidence in how much rain a particular location may
see.

MIZ037>039-043>045-152015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
411 AM EDT Tue Sep 15 2026

.TODAY...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers and
                    a chance of thunderstorms until 12 PM, then a
                    chance of rain showers.
Chance of pcpn......80 percent.
Max temperature.....72-77.
   24 hr trend......3 degrees warmer.
Min humidity........75-80 percent near Lake Michigan and 66-71
                    percent Inland.
   24 hr trend......36 percent wetter near Lake Michigan and 33
                    percent wetter Inland.
20-foot winds.......South winds 11 to 16 mph with gusts to around
                    29 mph.
Mixing height.......1800-2300 ft AGL.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....380 (good).
Pcpn Amount.........0.14-0.42 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent).
Min temperature.....45-50.
   24 hr trend......5 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 7 mph in the evening becoming
                    light.
Mixing height.......1300-1800 ft AGL near Lake Michigan and
                    1600-2100 ft AGL Inland.
Transport winds.....West around 10 mph shifting to the north after
                    midnight.
Smoke dispersal.....60-320 (poor to good).
Pcpn Amount.........none to 0.02 in.

.WEDNESDAY...
Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....70-75.
   24 hr trend......2 degrees cooler.
Min humidity........48-53 percent.
   24 hr trend......17 percent drier.
20-foot winds.......Northeast winds 5 to 8 mph.
Mixing height.......2800-3300 ft AGL near Lake Michigan and
                    3700-4200 ft AGL Inland.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....210-310 (fair to good).
Pcpn Amount.........None.


$$

MIZ040-046-152015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
411 AM EDT Tue Sep 15 2026

.TODAY...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    until 12 PM. Slight chance of thunderstorms.
                    Chance of rain showers after 12 PM.
Chance of pcpn......80 percent.
Max temperature.....74-79.
   24 hr trend......3 degrees warmer.
Min humidity........69-74 percent.
   24 hr trend......32 percent wetter.
20-foot winds.......South winds 10 to 15 mph with gusts to around
                    26 mph.
Mixing height.......1900-2400 ft AGL.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....250-460 (fair to good).
Pcpn Amount.........0.13-0.30 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent).
Min temperature.....44-49.
   24 hr trend......2 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 7 mph in the evening becoming
                    light.
Mixing height.......1500-2000 ft AGL.
Transport winds.....West around 10 mph shifting to the north after
                    midnight.
Smoke dispersal.....50-310 (poor to good).
Pcpn Amount.........none to 0.01 in.

.WEDNESDAY...
Sky/weather.........Mostly sunny (45-55 percent) until 12 PM, then
                    partly sunny (60-70 percent).
Max temperature.....Around 72.
   24 hr trend......2 degrees cooler.
Min humidity........51-56 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Light winds becoming northeast around 6 mph in
                    the afternoon.
Mixing height.......3100-3600 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....210-300 (fair to good).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-152015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
411 AM EDT Tue Sep 15 2026

.TODAY...
Sky/weather.........Mostly cloudy (70-80 percent). Rain showers
                    until 12 PM. Chance of thunderstorms. Chance of
                    rain showers after 12 PM.
Chance of pcpn......80 percent.
Max temperature.....80-85.
   24 hr trend......5 degrees warmer.
Min humidity........63-68 percent.
   24 hr trend......21 percent wetter.
20-foot winds.......South winds 10 to 15 mph with gusts to around
                    26 mph.
Mixing height.......1100-1600 ft AGL near Lake Michigan and
                    2300-2800 ft AGL Inland.
Transport winds.....Southwest around 15 mph.
Smoke dispersal.....340-420 (good).
Pcpn Amount.........0.10-0.41 in.

.TONIGHT...
Sky/weather.........Partly cloudy (60-70 percent). Slight chance of
                    thunderstorms until 2 AM. Chance of rain
                    showers.
Chance of pcpn......30 percent.
Min temperature.....53-58.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 5 mph in the evening becoming
                    light.
Mixing height.......700-1200 ft AGL near Lake Michigan and
                    1800-2300 ft AGL Inland.
Transport winds.....Northwest around 10 mph shifting to the north
                    after midnight.
Smoke dispersal.....50-290 (poor to fair).
Pcpn Amount.........None to 0.75 in.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain
                    showers until 10 AM. Chance of rain showers
                    after 12 PM.
Chance of pcpn......50 percent.
Max temperature.....72-77.
   24 hr trend......4 degrees cooler.
Min humidity........57-62 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......Northeast winds 5 to 8 mph.
Mixing height.......2900-3400 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....230-290 (fair).
Pcpn Amount.........none to 0.08 in.


$$

MIZ051-052-057>059-152015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
411 AM EDT Tue Sep 15 2026

.TODAY...
Sky/weather.........Mostly cloudy (75-85 percent). Rain showers
                    likely until 12 PM. Chance of thunderstorms.
                    Chance of rain showers after 12 PM.
Chance of pcpn......60 percent.
Max temperature.....76-81.
   24 hr trend......9 degrees warmer.
Min humidity........60-65 percent.
   24 hr trend......30 percent wetter.
20-foot winds.......South winds 11 to 16 mph with gusts to around
                    27 mph.
Mixing height.......2500-3000 ft AGL.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....270-480 (fair to good).
Pcpn Amount.........0.03-0.20 in.

.TONIGHT...
Sky/weather.........Partly cloudy (60-70 percent).
Min temperature.....53-58.
   24 hr trend......1 degree warmer.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 7 mph in the evening becoming
                    light.
Mixing height.......1700-2200 ft AGL.
Transport winds.....West around 10 mph shifting to the north after
                    midnight.
Smoke dispersal.....60-350 (poor to good).
Pcpn Amount.........none to 0.07 in.

.WEDNESDAY...
Sky/weather.........Partly sunny (60-70 percent).
Max temperature.....Around 73.
   24 hr trend......7 degrees cooler.
Min humidity........59-64 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......2500-3000 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....250-300 (fair to good).
Pcpn Amount.........none to 0.06 in.


$$

MIZ065>067-072>074-152015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
411 AM EDT Tue Sep 15 2026

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent). Rain showers
                    likely until 12 PM. Slight chance of
                    thunderstorms. Chance of rain showers after 12
                    PM.
Chance of pcpn......60 percent.
Max temperature.....79-84.
   24 hr trend......11 degrees warmer.
Min humidity........60-65 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......South winds 10 to 15 mph with higher gusts.
Mixing height.......2900-3400 ft AGL.
Transport winds.....Southwest around 15 mph.
Smoke dispersal.....260-560 (fair to good).
Pcpn Amount.........0.01-0.37 in.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 9 PM, then
                    mostly cloudy (70-80 percent). Showers likely
                    and a chance of thunderstorms.
Chance of pcpn......60 percent.
Min temperature.....58-63.
   24 hr trend......7 degrees warmer.
Max humidity........99 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......West winds around 5 mph in the evening becoming
                    light.
Mixing height.......2200-2700 ft AGL.
Transport winds.....West around 10 mph shifting to the north after
                    midnight.
Smoke dispersal.....50-400 (poor to good).
Pcpn Amount.........0.04-0.77 in.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain
                    showers.
Chance of pcpn......30 percent.
Max temperature.....Around 73.
   24 hr trend......10 degrees cooler.
Min humidity........71-76 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Northeast winds 5 to 8 mph.
Mixing height.......2000-2500 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....200-250 (fair).
Pcpn Amount.........0.01-0.11 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.WEDNESDAY NIGHT...Partly cloudy. Chance of showers in the evening,
then showers likely and a slight chance of thunderstorms after
midnight. Lows in the upper 50s. East winds 5 to 8 mph.
.THURSDAY...Slight chance of thunderstorms in the morning. Mostly
cloudy with a chance of showers. Highs in the mid 70s. East winds
5 to 6 mph shifting to the northwest 5 to 7 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. North winds
5 to 8 mph.
.FRIDAY...Partly sunny. Highs in the lower 70s. East winds 5 to
9 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the
mid 50s. East winds 5 to 10 mph.
.SATURDAY...Mostly cloudy with a chance of thunderstorms. Chance of
showers in the morning, then showers likely in the afternoon. Highs
in the mid 70s. South winds 7 to 12 mph.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s.
.SUNDAY...Partly sunny. Chance of showers. Highs in the lower 70s.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the upper 60s.

$$