Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
734
FNUS53 KGRR 221954
FWFGRR
Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
354 PM EDT Fri Aug 22 2025
...Chances for Rain this weekend into Monday...
.DISCUSSION...Fair weather will continue through today and into tomorrow.
However a cold front will move through the region tomorrow
bringing increased risk for showers and storms. Wind gusts will increase
late tomorrow and again Sunday and Monday afternoons. Not a lot of rain
is expected with this front, however temperatures will drop well below normal
with Max temperatures in the low 80s tomorrow and then in the low 70s Sunday
and into the 60s on Monday.
MIZ037>039-043>045-230815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
354 PM EDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (60-70 percent). Chance of
showers and a slight chance of thunderstorms
after 3 AM.
Chance of pcpn......30 percent overnight.
Min temperature.....59-64.
24 hr trend......4 degrees warmer.
Max humidity........99 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 8 mph.
Mixing height.......400-900 ft AGL near Lake Michigan and 1300-1800
ft AGL Inland.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....90-140 (poor to fair).
Pcpn Amount.........None to 0.12 in.
.SATURDAY...
Sky/weather.........Mostly sunny (45-55 percent). Chance of showers
until 5 PM.
Chance of pcpn......40 percent.
Max temperature.....76-81.
24 hr trend......6 degrees cooler.
Min humidity........48-53 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West winds 8 to 13 mph.
Mixing height.......Near Lake Michigan, 2400-2900 ft AGL increasing
to 4900-5400 ft AGL in the afternoon.
Mixing height.......Inland, 4800-5300 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....1080-1250 (excellent).
Pcpn Amount.........none to 0.06 in.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....50-55.
24 hr trend......7 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 8 mph.
Mixing height.......2800-3300 ft AGL near Lake Michigan and
2500-3000 ft AGL Inland.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....160-390 (fair to good).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of rain
showers.
Chance of pcpn......30 percent.
Max temperature.....67-72.
24 hr trend......6 degrees cooler.
Min humidity........45-50 percent.
24 hr trend......2 percent wetter.
20-foot winds.......West winds 7 to 12 mph. Gusts up to 21 mph in
the afternoon.
Mixing height.......4900-5400 ft AGL near Lake Michigan and
5600-6100 ft AGL Inland.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....990-1130 (excellent).
Pcpn Amount.........none to 0.02 in.
$$
MIZ040-046-230815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
354 PM EDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent). Chance of rain
showers after 4 AM. Slight chance of
thunderstorms after 5 AM.
Chance of pcpn......30 percent overnight.
Min temperature.....Around 61.
24 hr trend......7 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 8 mph.
Mixing height.......1300-1800 ft AGL.
Transport winds.....West 10 to 15 mph.
Smoke dispersal.....70-150 (poor to fair).
Pcpn Amount.........None.
.SATURDAY...
Sky/weather.........Mostly sunny (40-50 percent). Chance of
showers. Slight chance of thunderstorms after 5
PM.
Chance of pcpn......40 percent.
Max temperature.....78-83.
24 hr trend......2 degrees cooler.
Min humidity........44-49 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 9 to 14 mph.
Mixing height.......6300-6800 ft AGL.
Transport winds.....West around 20 mph.
Smoke dispersal.....1160-1560 (excellent).
Pcpn Amount.........none to 0.05 in.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....49-54.
24 hr trend......8 degrees cooler.
Max humidity........98 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds around 6 mph in the evening becoming
light.
Mixing height.......2300-2800 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....50-400 (poor to good).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 72.
24 hr trend......8 degrees cooler.
Min humidity........42-47 percent.
24 hr trend......2 percent drier.
20-foot winds.......West winds 7 to 12 mph.
Mixing height.......6300-6800 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....1020-1260 (excellent).
Pcpn Amount.........None.
$$
MIZ050-056-064-071-230815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
354 PM EDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Chance of
showers and a slight chance of thunderstorms
after 5 AM.
Chance of pcpn......30 percent toward daybreak.
Min temperature.....60-65.
24 hr trend......3 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds becoming southwest around 5 mph
overnight.
Mixing height.......600-1100 ft AGL.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....60-90 (poor).
Pcpn Amount.........none to 0.03 in.
.SATURDAY...
Sky/weather.........Mostly sunny (40-50 percent). Chance of showers
until 5 PM. Slight chance of thunderstorms
after 2 PM until 5 PM.
Chance of pcpn......40 percent.
Max temperature.....75-80.
24 hr trend......4 degrees cooler.
Min humidity........54-59 percent.
24 hr trend......6 percent wetter.
20-foot winds.......West winds 8 to 13 mph.
Mixing height.......Near Lake Michigan, 2100-2600 ft AGL increasing
to 4100-4600 ft AGL in the afternoon.
Mixing height.......Inland, 4400-4900 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....630-910 (excellent).
Pcpn Amount.........none to 0.04 in.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....57-62.
24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 9 mph.
Mixing height.......3300-3800 ft AGL near Lake Michigan and
2300-2800 ft AGL Inland.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....240-340 (fair to good).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....68-73.
24 hr trend......6 degrees cooler.
Min humidity........49-54 percent.
24 hr trend......7 percent drier.
20-foot winds.......West winds 8 to 13 mph. Gusts up to 22 mph in
the afternoon.
Mixing height.......5000-5500 ft AGL near Lake Michigan and
5400-5900 ft AGL Inland.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....890-1110 (excellent).
Pcpn Amount.........None.
$$
MIZ051-052-057>059-230815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
354 PM EDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Chance of
showers after 6 AM.
Chance of pcpn......30 percent toward daybreak.
Min temperature.....Around 63.
24 hr trend......8 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds becoming southwest around 6 mph
overnight.
Mixing height.......600-1100 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....70-80 (poor).
Pcpn Amount.........None.
.SATURDAY...
Sky/weather.........Mostly sunny (40-50 percent). Chance of
showers. Slight chance of thunderstorms after 2
PM until 5 PM.
Chance of pcpn......40 percent.
Max temperature.....78-83.
24 hr trend......2 degrees cooler.
Min humidity........49-54 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West winds 9 to 14 mph.
Mixing height.......5900-6400 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....930-1330 (excellent).
Pcpn Amount.........none to 0.06 in.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....53-58.
24 hr trend......7 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 9 mph.
Mixing height.......2000-2500 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....50-220 (poor to fair).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 72.
24 hr trend......8 degrees cooler.
Min humidity........46-51 percent.
24 hr trend......3 percent drier.
20-foot winds.......West winds 8 to 13 mph. Gusts up to 23 mph in
the afternoon.
Mixing height.......6200-6700 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....940-1250 (excellent).
Pcpn Amount.........None.
$$
MIZ065>067-072>074-230815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
354 PM EDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent).
Min temperature.....Around 61.
24 hr trend......7 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 6 mph.
Mixing height.......800-1300 ft AGL.
Transport winds.....West 5 to 10 mph.
Smoke dispersal.....60 (poor).
Pcpn Amount.........None.
.SATURDAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of
showers. Slight chance of thunderstorms after 2
PM.
Chance of pcpn......40 percent.
Max temperature.....78-83.
24 hr trend......2 degrees cooler.
Min humidity........56-61 percent.
24 hr trend......11 percent wetter.
20-foot winds.......West winds 8 to 13 mph.
Mixing height.......4700-5200 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....770-960 (excellent).
Pcpn Amount.........none to 0.05 in.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 56.
24 hr trend......6 degrees cooler.
Max humidity........98 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 9 mph.
Mixing height.......1700-2200 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....40-200 (poor to fair).
Pcpn Amount.........none to 0.01 in.
.SUNDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....70-75.
24 hr trend......8 degrees cooler.
Min humidity........49-54 percent.
24 hr trend......9 percent drier.
20-foot winds.......West winds 7 to 12 mph.
Mixing height.......5700-6200 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....850-1150 (excellent).
Pcpn Amount.........None.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Chance of showers and a slight chance
of thunderstorms in the evening. Lows in the lower 50s. Northwest
winds 5 to 9 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the upper
60s. Northwest winds 6 to 11 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northwest
winds 5 to 6 mph.
.TUESDAY...Mostly sunny. Highs in the upper 60s. Northwest winds
5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. West winds 5 to
6 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s. West winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
$$