Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
434
FNUS53 KGRR 251755
FWFGRR
Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
155 PM EDT Fri Sep 25 2026
...Dry through the weekend...
.DISCUSSION...High pressure over southern Canada will produce
dry weather and lower dewpoints through the weekend. The next
chance of rain arrives late Tuesday as a cold front moves
across the region.
MIZ037>039-043>045-260815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
155 PM EDT Fri Sep 25 2026
.TONIGHT...
Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....37-42.
24 hr trend......6 degrees cooler.
Max humidity........98 percent.
24 hr trend......Unchanged.
20-foot winds.......East winds up to 5 mph.
Mixing height.......Near Lake Michigan, 1100-1600 ft AGL.
Mixing height.......Inland, 3400-3900 ft AGL decreasing to 0-400 ft
AGL after midnight.
Transport winds.....East around 5 mph.
Smoke dispersal.....30-210 (poor to fair).
Pcpn Amount.........None.
.SATURDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....69-74.
24 hr trend......4 degrees warmer.
Min humidity........50-55 percent near Lake Michigan and 37-42
percent Inland.
24 hr trend......4 percent drier near Lake Michigan and 5
percent drier Inland.
20-foot winds.......East winds 5 to 6 mph.
Mixing height.......Near Lake Michigan, 2800-3300 ft AGL.
Mixing height.......Inland, 1300-1800 ft AGL increasing to
4000-4500 ft AGL in the afternoon.
Transport winds.....East around 5 mph.
Smoke dispersal.....130-320 (fair to good).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....40-45.
24 hr trend......2 degrees warmer.
Max humidity........99 percent.
24 hr trend......Unchanged.
20-foot winds.......East winds up to 5 mph.
Mixing height.......Near Lake Michigan, 700-1200 ft AGL.
Mixing height.......Inland, 2500-3000 ft AGL decreasing to 0-400 ft
AGL after midnight.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....40-240 (poor to fair).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....65-70 near Lake Michigan and around 73 Inland.
24 hr trend......1 degree warmer near Lake Michigan and 3
degrees warmer Inland.
Min humidity........55-60 percent near Lake Michigan and 39-44
percent Inland.
24 hr trend......4 percent wetter near Lake Michigan and
unchanged Inland.
20-foot winds.......Northeast winds 5 to 6 mph.
Mixing height.......Near Lake Michigan, 2500-3000 ft AGL.
Mixing height.......Inland, 1600-2100 ft AGL increasing to
4800-5300 ft AGL in the afternoon.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....200-520 (fair to good).
Pcpn Amount.........None.
$$
MIZ040-046-260815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
155 PM EDT Fri Sep 25 2026
.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....36-41.
24 hr trend......4 degrees cooler.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......2600-3100 ft AGL decreasing to 0-400 ft AGL
after midnight.
Transport winds.....East around 5 mph.
Smoke dispersal.....30-200 (poor to fair).
Pcpn Amount.........None.
.SATURDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 72.
24 hr trend......5 degrees warmer.
Min humidity........40-45 percent.
24 hr trend......1 percent drier.
20-foot winds.......Light winds becoming east around 5 mph in the
afternoon.
Mixing height.......1300-1800 ft AGL increasing to 3700-4200 ft AGL
in the afternoon.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....140-410 (fair to good).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Clear (0-5 percent).
Min temperature.....39-44.
24 hr trend......3 degrees warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......3100-3600 ft AGL decreasing to 0-400 ft AGL
after midnight.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....40-310 (poor to good).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 73.
24 hr trend......1 degree warmer.
Min humidity........42-47 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds becoming northeast around 5 mph in
the afternoon.
Mixing height.......2100-2600 ft AGL increasing to 5300-5800 ft AGL
in the afternoon.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....260-700 (fair to excellent).
Pcpn Amount.........None.
$$
MIZ050-056-064-071-260815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
155 PM EDT Fri Sep 25 2026
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....42-47.
24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 6 mph.
Mixing height.......Near Lake Michigan, 1600-2100 ft AGL.
Mixing height.......Inland, 2600-3100 ft AGL decreasing to 0-400 ft
AGL after midnight.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....40-180 (poor to fair).
Pcpn Amount.........None.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....66-71.
24 hr trend......3 degrees warmer.
Min humidity........46-51 percent.
24 hr trend......4 percent drier.
20-foot winds.......East winds 5 to 7 mph.
Mixing height.......900-1400 ft AGL increasing to 3200-3700 ft AGL
in the afternoon.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....110-260 (poor to fair).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....44-49.
24 hr trend......1 degree warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds up to 5 mph.
Mixing height.......Near Lake Michigan, 900-1400 ft AGL.
Mixing height.......Inland, 2200-2700 ft AGL decreasing to 0-400 ft
AGL after midnight.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....40-160 (poor to fair).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Sunny (20-30 percent).
Max temperature.....68-73.
24 hr trend......2 degrees warmer.
Min humidity........47-52 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Northeast winds 5 to 6 mph.
Mixing height.......Near Lake Michigan, 700-1200 ft AGL increasing
to 2700-3200 ft AGL in the afternoon.
Mixing height.......Inland, 1000-1500 ft AGL increasing to
4400-4900 ft AGL in the afternoon.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....100-450 (poor to good).
Pcpn Amount.........None.
$$
MIZ051-052-057>059-260815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
155 PM EDT Fri Sep 25 2026
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....40-45.
24 hr trend......Unchanged.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 6 mph.
Mixing height.......2700-3200 ft AGL decreasing to 0-400 ft AGL
after midnight.
Transport winds.....East 5 to 10 mph.
Smoke dispersal.....40-210 (poor to fair).
Pcpn Amount.........None.
.SATURDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 70.
24 hr trend......4 degrees warmer.
Min humidity........43-48 percent.
24 hr trend......5 percent drier.
20-foot winds.......Light winds becoming east around 6 mph in the
afternoon.
Mixing height.......1100-1600 ft AGL increasing to 3700-4200 ft AGL
in the afternoon.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....120-410 (poor to good).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 44.
24 hr trend......2 degrees warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 6 mph.
Mixing height.......2800-3300 ft AGL decreasing to 0-400 ft AGL
after midnight.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....40-310 (poor to good).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 72.
24 hr trend......2 degrees warmer.
Min humidity........45-50 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds becoming northeast around 6 mph in
the afternoon.
Mixing height.......1500-2000 ft AGL increasing to 5200-5700 ft AGL
in the afternoon.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....170-700 (fair to excellent).
Pcpn Amount.........None.
$$
MIZ065>067-072>074-260815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
155 PM EDT Fri Sep 25 2026
.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....Around 44.
24 hr trend......1 degree warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds up to 5 mph.
Mixing height.......2200-2700 ft AGL decreasing to 0-400 ft AGL
after midnight.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....40-200 (poor to fair).
Pcpn Amount.........None.
.SATURDAY...
Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 69.
24 hr trend......4 degrees warmer.
Min humidity........45-50 percent.
24 hr trend......3 percent drier.
20-foot winds.......Light winds becoming northeast around 5 mph in
the afternoon.
Mixing height.......900-1400 ft AGL increasing to 3200-3700 ft AGL
in the afternoon.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....110-360 (poor to good).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Clear (0-10 percent).
Min temperature.....Around 45.
24 hr trend......Unchanged.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 6 mph.
Mixing height.......2500-3000 ft AGL decreasing to 0-400 ft AGL
after midnight.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....40-240 (poor to fair).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 71.
24 hr trend......2 degrees warmer.
Min humidity........48-53 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Light winds becoming north around 7 mph in the
afternoon.
Mixing height.......1000-1500 ft AGL increasing to 4300-4800 ft AGL
in the afternoon.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....120-610 (poor to excellent).
Pcpn Amount.........None.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. North winds
5 to 6 mph in the evening becoming light.
.MONDAY...Sunny. Highs in the lower 70s. North winds 5 to 6 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. North winds up
to 5 mph in the evening becoming light.
.TUESDAY...Sunny. Highs in the lower 70s. Light winds becoming
southwest 5 to 6 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Chance of showers after midnight.
Lows in the mid 50s. South winds 5 to 8 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
upper 60s. South winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s.
.THURSDAY...Mostly cloudy with a chance of showers. Highs in the
upper 60s.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 50s.
.FRIDAY...Mostly cloudy with a chance of showers. Highs in the upper
60s.
$$