Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
487
FNUS53 KGRR 191931
FWFGRR
Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
331 PM EDT Sat Sep 19 2026
...Rain continues tonight into Sunday...
.DISCUSSION...
A few more waves of precipitation will move through the southwest
quarter of Lower Michigan this evening through Sunday morning. The
heaviest precipitation will occur across Southern Lower Michigan near
I-94. It will dry out as we head into this upcoming work week.
MIZ037>039-043>045-200830-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
331 PM EDT Sat Sep 19 2026
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Slight chance of
thunderstorms until 5 AM. Chance of rain
showers.
Chance of pcpn......50 percent.
Min temperature.....49-54.
24 hr trend......4 degrees warmer.
Max humidity........98 percent.
24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 8 mph.
Mixing height.......1100-1600 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....80-180 (poor to fair).
Pcpn Amount.........0.02-0.27 in.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
showers until 8 AM.
Chance of pcpn......30 percent early in the morning.
Max temperature.....68-73.
24 hr trend......9 degrees warmer.
Min humidity........55-60 percent near Lake Michigan and 47-52
percent Inland.
24 hr trend......28 percent drier.
20-foot winds.......Northeast winds 7 to 12 mph. Gusts up to 21 mph
in the afternoon.
Mixing height.......1800-2300 ft AGL increasing to 4100-4600 ft AGL
in the afternoon.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....390-790 (good to excellent).
Pcpn Amount.........none to 0.08 in.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy (50-60 percent).
Min temperature.....40-45.
24 hr trend......7 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 6 to 11 mph. Gusts up to 21 mph
in the evening.
Mixing height.......Near Lake Michigan, 2600-3100 ft AGL.
Mixing height.......Inland, 3600-4100 ft AGL decreasing to 500-1000
ft AGL after midnight.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....160-670 (fair to excellent).
Pcpn Amount.........None.
.MONDAY...
Sky/weather.........Mostly cloudy (70-80 percent).
Max temperature.....62-67.
24 hr trend......8 degrees cooler.
Min humidity........46-51 percent.
24 hr trend......3 percent wetter.
20-foot winds.......East winds 8 to 13 mph with higher gusts.
Mixing height.......2700-3200 ft AGL increasing to 4700-5200 ft AGL
in the afternoon.
Transport winds.....East around 15 mph.
Smoke dispersal.....570-770 (good to excellent).
Pcpn Amount.........None.
$$
MIZ040-046-200830-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
331 PM EDT Sat Sep 19 2026
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Slight chance of
thunderstorms until 8 PM. Chance of rain
showers. Slight chance of thunderstorms after
11 PM until 2 AM.
Chance of pcpn......50 percent.
Min temperature.....48-53.
24 hr trend......6 degrees warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 8 mph.
Mixing height.......1000-1500 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....60-170 (poor to fair).
Pcpn Amount.........none to 0.09 in.
.SUNDAY...
Sky/weather.........Cloudy (85-95 percent) until 9 AM, then partly
sunny (60-70 percent). Chance of rain showers
until 8 AM.
Chance of pcpn......30 percent early in the morning.
Max temperature.....Around 70.
24 hr trend......9 degrees warmer.
Min humidity........51-56 percent.
24 hr trend......16 percent drier.
20-foot winds.......Northeast winds 7 to 12 mph.
Mixing height.......1600-2100 ft AGL increasing to 4200-4700 ft AGL
in the afternoon.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....340-840 (good to excellent).
Pcpn Amount.........none to 0.03 in.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 3 AM, then
mostly cloudy (65-75 percent).
Min temperature.....38-43.
24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......3500-4000 ft AGL decreasing to 800-1300 ft AGL
after midnight.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....140-640 (fair to excellent).
Pcpn Amount.........None.
.MONDAY...
Sky/weather.........Mostly cloudy (70-80 percent).
Max temperature.....Around 61.
24 hr trend......10 degrees cooler.
Min humidity........51-56 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Northeast winds 9 to 14 mph.
Mixing height.......4000-4500 ft AGL.
Transport winds.....East around 15 mph.
Smoke dispersal.....710-810 (excellent).
Pcpn Amount.........None.
$$
MIZ050-056-064-071-200830-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
331 PM EDT Sat Sep 19 2026
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Rain showers and a
chance of thunderstorms.
Chance of pcpn......90 percent.
Min temperature.....54-59.
24 hr trend......6 degrees warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......East winds around 5 mph in the evening becoming
light.
Mixing height.......1000-1500 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....70-160 (poor to fair).
Pcpn Amount.........0.19-1.18 in.
.SUNDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
showers and a slight chance of thunderstorms
until 8 AM, then rain showers likely until 11
AM, then a chance of rain showers until 5 PM.
Chance of pcpn......70 percent.
Max temperature.....67-72.
24 hr trend......4 degrees warmer.
Min humidity........57-62 percent.
24 hr trend......9 percent drier.
20-foot winds.......Northeast winds 7 to 12 mph. Gusts up to 22 mph
in the afternoon.
Mixing height.......1500-2000 ft AGL increasing to 3900-4400 ft AGL
in the afternoon.
Transport winds.....Northeast 15 to 20 mph.
Smoke dispersal.....350-720 (good to excellent).
Pcpn Amount.........0.04-0.44 in.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 12 AM, then
partly cloudy (50-60 percent).
Min temperature.....47-52.
24 hr trend......10 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 6 to 11 mph. Gusts up to 20 mph
in the evening.
Mixing height.......3000-3500 ft AGL.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....220-520 (fair to good).
Pcpn Amount.........none to 0.02 in.
.MONDAY...
Sky/weather.........Mostly cloudy (70-80 percent).
Max temperature.....62-67.
24 hr trend......6 degrees cooler.
Min humidity........52-57 percent.
24 hr trend......8 percent drier.
20-foot winds.......Northeast winds 9 to 14 mph with higher gusts.
Mixing height.......2300-2800 ft AGL increasing to 4500-5000 ft AGL
in the afternoon.
Transport winds.....East 15 to 20 mph.
Smoke dispersal.....540-780 (good to excellent).
Pcpn Amount.........none to 0.05 in.
$$
MIZ051-052-057>059-200830-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
331 PM EDT Sat Sep 19 2026
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Rain showers and a
chance of thunderstorms.
Chance of pcpn......80 percent.
Min temperature.....54-59.
24 hr trend......5 degrees warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 9 mph.
Mixing height.......800-1300 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....60-160 (poor to fair).
Pcpn Amount.........0.06-0.48 in.
.SUNDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
showers until 2 PM.
Chance of pcpn......40 percent until late afternoon.
Max temperature.....Around 69.
24 hr trend......6 degrees warmer.
Min humidity........59-64 percent.
24 hr trend......15 percent drier.
20-foot winds.......Northeast winds 9 to 14 mph with higher gusts.
Mixing height.......1400-1900 ft AGL increasing to 3600-4100 ft AGL
in the afternoon.
Transport winds.....Northeast 15 to 20 mph.
Smoke dispersal.....340-750 (good to excellent).
Pcpn Amount.........0.02-0.21 in.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy (55-65 percent).
Min temperature.....46-51.
24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 8 to 13 mph and gusty.
Mixing height.......3000-3500 ft AGL.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....170-540 (fair to good).
Pcpn Amount.........none to 0.01 in.
.MONDAY...
Sky/weather.........Mostly cloudy (75-85 percent).
Max temperature.....Around 63.
24 hr trend......6 degrees cooler.
Min humidity........60-65 percent.
24 hr trend......8 percent drier.
20-foot winds.......Northeast winds 11 to 16 mph with gusts to
around 26 mph.
Mixing height.......4000-4500 ft AGL.
Transport winds.....East 15 to 20 mph.
Smoke dispersal.....630-800 (excellent).
Pcpn Amount.........None.
$$
MIZ065>067-072>074-200830-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
331 PM EDT Sat Sep 19 2026
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Chance of showers until
8 PM. Chance of thunderstorms. Showers after 8
PM.
Chance of pcpn......90 percent.
Min temperature.....Around 60.
24 hr trend......6 degrees warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......East winds around 5 mph in the evening becoming
light.
Mixing height.......1000-1500 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....50-140 (poor to fair).
Pcpn Amount.........0.30-1.01 in.
.SUNDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Slight chance of
thunderstorms until 8 AM. Rain showers until 11
AM, then a chance of rain showers until 3 PM.
Chance of pcpn......80 percent.
Max temperature.....Around 68.
24 hr trend......2 degrees warmer.
Min humidity........68-73 percent.
24 hr trend......12 percent drier.
20-foot winds.......Northeast winds 7 to 12 mph. Gusts up to 22 mph
in the afternoon.
Mixing height.......2200-2700 ft AGL.
Transport winds.....Northeast around 10 mph increasing to around 20
mph in the afternoon.
Smoke dispersal.....270-500 (fair to good).
Pcpn Amount.........0.16-0.51 in.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) until 12 AM, then
partly cloudy (55-65 percent).
Min temperature.....Around 50.
24 hr trend......11 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 8 to 13 mph. Gusts up to 23 mph
in the evening.
Mixing height.......1800-2300 ft AGL.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....210-380 (fair to good).
Pcpn Amount.........none to 0.05 in.
.MONDAY...
Sky/weather.........Mostly cloudy (65-75 percent).
Max temperature.....Around 63.
24 hr trend......5 degrees cooler.
Min humidity........62-67 percent.
24 hr trend......6 percent drier.
20-foot winds.......Northeast winds 9 to 14 mph with higher gusts.
Mixing height.......3700-4200 ft AGL.
Transport winds.....Northeast 15 to 20 mph.
Smoke dispersal.....540-720 (good to excellent).
Pcpn Amount.........none to 0.04 in.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Northeast winds
6 to 11 mph.
.TUESDAY...Partly sunny. Highs in the lower 60s. Northeast winds
8 to 13 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northeast
winds 7 to 12 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
lower 60s. East winds 8 to 13 mph.
.WEDNESDAY NIGHT...Partly cloudy. Chance of showers in the evening.
Lows in the upper 40s. East winds 6 to 11 mph.
.THURSDAY...Partly sunny. Highs in the upper 60s. East winds 5 to
10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Partly sunny. Highs around 70.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly sunny. Highs in the lower 70s.
$$