Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
731
FNUS53 KGRR 120805
FWFGRR
Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
405 AM EDT Sat Sep 12 2026
...Low Chance of Rain this Weekend...
.DISCUSSION...
Widely scattered showers are possible this afternoon with scattered
showers on Sunday. A better chance for rain comes Tuesday into
Wednesday as low pressure moves across Lower Michigan
MIZ037>039-043>045-122015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
405 AM EDT Sat Sep 12 2026
.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Slight chance of
rain showers after 2 PM.
Chance of pcpn......20 percent in the afternoon.
Max temperature.....77-82.
24 hr trend......3 degrees warmer.
Min humidity........74-79 percent near Lake Michigan and 60-65
percent Inland.
24 hr trend......28 percent wetter near Lake Michigan and 29
percent wetter Inland.
20-foot winds.......Southwest winds 8 to 13 mph. Gusts up to 24 mph
in the afternoon.
Mixing height.......2300-2800 ft AGL near Lake Michigan and
4000-4500 ft AGL Inland.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....550-1030 (good to excellent).
Pcpn Amount.........none to 0.05 in.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....49-54.
24 hr trend......Unchanged.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds around 7 mph in the evening becoming
light.
Mixing height.......Near Lake Michigan, 1400-1900 ft AGL.
Mixing height.......Inland, 2500-3000 ft AGL decreasing to 100-600
ft AGL after midnight.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....50-630 (poor to excellent).
Pcpn Amount.........none to 0.02 in.
.SUNDAY...
Sky/weather.........Partly sunny (60-70 percent).
Max temperature.....69-74.
24 hr trend......11 degrees cooler.
Min humidity........47-52 percent.
24 hr trend......10 percent drier.
20-foot winds.......Light winds becoming northwest around 11 mph
with higher gusts in the afternoon.
Mixing height.......4500-5000 ft AGL.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....500-920 (good to excellent).
Pcpn Amount.........none to 0.01 in.
$$
MIZ040-046-122015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
405 AM EDT Sat Sep 12 2026
.TODAY...
Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....Around 82.
24 hr trend......5 degrees warmer.
Min humidity........51-56 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Southwest winds 7 to 12 mph.
Mixing height.......1600-2100 ft AGL increasing to 5100-5600 ft AGL
in the afternoon.
Transport winds.....South around 10 mph increasing to southwest
around 20 mph in the afternoon.
Smoke dispersal.....280 (fair) increasing to 1110 (excellent) in
the afternoon.
Pcpn Amount.........none to 0.01 in.
.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent). Slight chance of
rain showers until 8 PM.
Chance of pcpn......20 percent early in the evening.
Min temperature.....47-52.
24 hr trend......2 degrees warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds around 8 mph in the evening becoming
light.
Mixing height.......3700-4200 ft AGL decreasing to 400-900 ft AGL
after midnight.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....770 (excellent) decreasing to 40 (poor) after
midnight.
Pcpn Amount.........none to 0.01 in.
.SUNDAY...
Sky/weather.........Partly sunny (60-70 percent).
Max temperature.....71-76.
24 hr trend......12 degrees cooler.
Min humidity........44-49 percent.
24 hr trend......5 percent drier.
20-foot winds.......Light winds becoming west around 11 mph with
higher gusts in the afternoon.
Mixing height.......4400-4900 ft AGL.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....400-950 (good to excellent).
Pcpn Amount.........None.
$$
MIZ050-056-064-071-122015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
405 AM EDT Sat Sep 12 2026
.TODAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....80-85.
24 hr trend......2 degrees warmer.
Min humidity........65-70 percent near Lake Michigan and 57-62
percent Inland.
24 hr trend......31 percent wetter near Lake Michigan and 27
percent wetter Inland.
20-foot winds.......Southwest winds 7 to 12 mph.
Mixing height.......Near Lake Michigan, 2000-2500 ft AGL.
Mixing height.......Inland, 2300-2800 ft AGL increasing to
4500-5000 ft AGL in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....390-800 (good to excellent).
Pcpn Amount.........None.
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....56-61.
24 hr trend......1 degree warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds around 5 mph in the evening becoming
light.
Mixing height.......Near Lake Michigan, 1200-1700 ft AGL.
Mixing height.......Inland, 3200-3700 ft AGL decreasing to 800-1300
ft AGL after midnight.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....60-520 (poor to good).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Mostly sunny (40-50 percent) until 3 PM, then
mostly cloudy (70-80 percent). Chance of rain
showers after 2 PM.
Chance of pcpn......30 percent in the afternoon.
Max temperature.....73-78.
24 hr trend......8 degrees cooler.
Min humidity........53-58 percent.
24 hr trend......11 percent drier.
20-foot winds.......Light winds becoming northwest around 11 mph
with higher gusts in the afternoon.
Mixing height.......4000-4500 ft AGL.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....350-800 (good to excellent).
Pcpn Amount.........none to 0.03 in.
$$
MIZ051-052-057>059-122015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
405 AM EDT Sat Sep 12 2026
.TODAY...
Sky/weather.........Partly sunny (45-55 percent).
Max temperature.....Around 82.
24 hr trend......5 degrees warmer.
Min humidity........55-60 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Southwest winds 7 to 12 mph.
Mixing height.......1300-1800 ft AGL increasing to 5100-5600 ft AGL
in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....220 (fair) increasing to 1020 (excellent) in
the afternoon.
Pcpn Amount.........none to 0.01 in.
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....55-60.
24 hr trend......Unchanged.
Max humidity........99 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds around 7 mph in the evening becoming
light.
Mixing height.......3900-4400 ft AGL decreasing to 1500-2000 ft AGL
after midnight.
Transport winds.....West 5 to 10 mph.
Smoke dispersal.....760 (excellent) decreasing to 60 (poor) after
midnight.
Pcpn Amount.........none to 0.01 in.
.SUNDAY...
Sky/weather.........Partly sunny (65-75 percent). Chance of rain
showers after 3 PM.
Chance of pcpn......30 percent late in the afternoon.
Max temperature.....72-77.
24 hr trend......6 degrees cooler.
Min humidity........48-53 percent.
24 hr trend......6 percent drier.
20-foot winds.......Light winds becoming northwest around 11 mph
with higher gusts in the afternoon.
Mixing height.......2100-2600 ft AGL increasing to 4300-4800 ft AGL
in the afternoon.
Transport winds.....North around 5 mph increasing to northwest
around 15 mph in the afternoon.
Smoke dispersal.....240 (fair) increasing to 840 (excellent) in the
afternoon.
Pcpn Amount.........none to 0.01 in.
$$
MIZ065>067-072>074-122015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
405 AM EDT Sat Sep 12 2026
.TODAY...
Sky/weather.........Mostly sunny (45-55 percent).
Max temperature.....Around 83.
24 hr trend......5 degrees warmer.
Min humidity........56-61 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Southwest winds 6 to 11 mph.
Mixing height.......1600-2100 ft AGL increasing to 5000-5500 ft AGL
in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....200 (fair) increasing to 800 (excellent) in the
afternoon.
Pcpn Amount.........None.
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....Around 59.
24 hr trend......2 degrees warmer.
Max humidity........98 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds around 5 mph in the evening becoming
light.
Mixing height.......3800-4300 ft AGL decreasing to 400-900 ft AGL
after midnight.
Transport winds.....West around 10 mph.
Smoke dispersal.....40-590 (poor to good).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....74-79.
24 hr trend......5 degrees cooler.
Min humidity........48-53 percent.
24 hr trend......6 percent drier.
20-foot winds.......Light winds becoming northwest around 10 mph
and gusty in the afternoon.
Mixing height.......2100-2600 ft AGL increasing to 4700-5200 ft AGL
in the afternoon.
Transport winds.....Northwest around 5 mph increasing to around 15
mph in the afternoon.
Smoke dispersal.....230 (fair) increasing to 860 (excellent) in the
afternoon.
Pcpn Amount.........none to 0.02 in.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northwest winds
5 to 10 mph in the evening becoming light.
.MONDAY...Sunny. Highs around 70. East winds 5 to 9 mph.
.MONDAY NIGHT...Partly cloudy. Chance of showers after midnight.
Lows in the mid 50s. Southeast winds 7 to 12 mph.
.TUESDAY...Mostly cloudy. Showers likely in the morning, then a
chance of showers in the afternoon. Highs in the upper 70s.
Southwest winds 9 to 14 mph.
.TUESDAY NIGHT...Mostly cloudy. Showers likely after midnight. Lows
in the upper 50s. West winds 5 to 8 mph in the evening becoming
light.
.WEDNESDAY...Mostly cloudy. Showers likely in the morning, then a
chance of showers and thunderstorms in the afternoon. Highs in the
mid 70s. East winds 5 to 8 mph.
.WEDNESDAY NIGHT...Mostly cloudy with showers likely. Lows in the
upper 50s.
.THURSDAY...Partly sunny. Showers likely in the morning, then a
chance of showers in the afternoon. Highs in the mid 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.
$$