138
FNUS53 KGRR 040757
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
357 AM EDT Sat Oct 4 2025

...Rain late Monday into Tuesday...

.DISCUSSION...
A cold front will move through with showers and thunderstorms
from Monday evening though Tuesday morning.

MIZ037>039-043>045-042015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
357 AM EDT Sat Oct 4 2025

.TODAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....82-87.
   24 hr trend......1 degree warmer.
Min humidity........54-59 percent near Lake Michigan and 43-48
                    percent Inland.
   24 hr trend......5 percent wetter near Lake Michigan and 9
                    percent wetter Inland.
20-foot winds.......South winds 5 to 10 mph.
Mixing height.......Near Lake Michigan, 1900-2400 ft AGL.
Mixing height.......Inland, 1000-1500 ft AGL increasing to
                    6400-6900 ft AGL in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....160 (fair) increasing to 1370 (excellent) in
                    the afternoon.
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....57-62.
   24 hr trend......3 degrees warmer.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 5 to 9 mph.
Mixing height.......Near Lake Michigan, 700-1200 ft AGL.
Mixing height.......Inland, 3800-4300 ft AGL decreasing to 100-600
                    ft AGL after midnight.
Transport winds.....South around 15 mph.
Smoke dispersal.....860 (excellent) decreasing to 80 (poor) after
                    midnight.
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....78-83.
   24 hr trend......3 degrees cooler.
Min humidity........48-53 percent near Lake Michigan and 38-43
                    percent Inland.
   24 hr trend......8 percent drier near Lake Michigan and 7
                    percent drier Inland.
20-foot winds.......South winds 8 to 13 mph. Gusts up to 24 mph in
                    the afternoon.
Mixing height.......Near Lake Michigan, 1900-2400 ft AGL increasing
                    to 3900-4400 ft AGL in the afternoon.
Mixing height.......Inland, 3000-3500 ft AGL increasing to
                    5600-6100 ft AGL in the afternoon.
Transport winds.....South around 15 mph increasing to southwest
                    around 25 mph in the afternoon.
Smoke dispersal.....800 (excellent) increasing to 1700 (excellent)
                    in the afternoon.
Pcpn Amount.........None.


$$

MIZ040-046-042015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
357 AM EDT Sat Oct 4 2025

.TODAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 87.
   24 hr trend......2 degrees warmer.
Min humidity........37-42 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......Light winds becoming southwest around 9 mph in
                    the afternoon.
Mixing height.......800-1300 ft AGL increasing to 7500-8000 ft AGL
                    in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....130 (fair) increasing to 1320 (excellent) in
                    the afternoon.
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....55-60.
   24 hr trend......2 degrees warmer.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 5 mph in the evening
                    becoming light.
Mixing height.......4600-5100 ft AGL decreasing to 0-500 ft AGL
                    after midnight.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....890 (excellent) decreasing to 60 (poor) after
                    midnight.
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....81-86.
   24 hr trend......4 degrees cooler.
Min humidity........30-35 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southwest winds 7 to 12 mph.
Mixing height.......2900-3400 ft AGL increasing to 6900-7400 ft AGL
                    in the afternoon.
Transport winds.....Southwest around 15 mph increasing to around 25
                    mph in the afternoon.
Smoke dispersal.....700 (excellent) increasing to 1720 (excellent)
                    in the afternoon.
Pcpn Amount.........None.


$$

MIZ050-056-064-071-042015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
357 AM EDT Sat Oct 4 2025

.TODAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....82-87.
   24 hr trend......Unchanged.
Min humidity........43-48 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 9 mph.
Mixing height.......Near Lake Michigan, 2100-2600 ft AGL.
Mixing height.......Inland, 900-1400 ft AGL increasing to 6800-7300
                    ft AGL in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....140 (fair) increasing to 1000 (excellent) in
                    the afternoon.
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....59-64.
   24 hr trend......1 degree cooler.
Max humidity........85-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 5 to 8 mph.
Mixing height.......Near Lake Michigan, 500-1000 ft AGL.
Mixing height.......Inland, 3900-4400 ft AGL decreasing to 100-600
                    ft AGL after midnight.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....70-490 (poor to good).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....79-84.
   24 hr trend......2 degrees cooler.
Min humidity........37-42 percent.
   24 hr trend......5 percent drier.
20-foot winds.......South winds 7 to 12 mph. Gusts up to 21 mph in
                    the afternoon.
Mixing height.......Near Lake Michigan, 1700-2200 ft AGL increasing
                    to 4900-5400 ft AGL in the afternoon.
Mixing height.......Inland, 2400-2900 ft AGL increasing to
                    6100-6600 ft AGL in the afternoon.
Transport winds.....South 15 to 20 mph.
Smoke dispersal.....510 (good) increasing to 1440 (excellent) in
                    the afternoon.
Pcpn Amount.........None.


$$

MIZ051-052-057>059-042015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
357 AM EDT Sat Oct 4 2025

.TODAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 86.
   24 hr trend......1 degree warmer.
Min humidity........39-44 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Mixing height.......900-1400 ft AGL increasing to 7600-8100 ft AGL
                    in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....140 (fair) increasing to 1190 (excellent) in
                    the afternoon.
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....58-63.
   24 hr trend......2 degrees warmer.
Max humidity........85-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 5 to 9 mph.
Mixing height.......4300-4800 ft AGL decreasing to 100-600 ft AGL
                    after midnight.
Transport winds.....South around 10 mph.
Smoke dispersal.....690 (excellent) decreasing to 60 (poor) after
                    midnight.
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....81-86.
   24 hr trend......2 degrees cooler.
Min humidity........34-39 percent.
   24 hr trend......5 percent drier.
20-foot winds.......South winds 8 to 13 mph.
Mixing height.......2500-3000 ft AGL increasing to 6800-7300 ft AGL
                    in the afternoon.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....570 (good) increasing to 1570 (excellent) in
                    the afternoon.
Pcpn Amount.........None.


$$

MIZ065>067-072>074-042015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
357 AM EDT Sat Oct 4 2025

.TODAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 87.
   24 hr trend......2 degrees warmer.
Min humidity........36-41 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Light winds becoming southwest around 8 mph in
                    the afternoon.
Mixing height.......1700-2200 ft AGL increasing to 8000-8500 ft AGL
                    in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....190 (fair) increasing to 1100 (excellent) in
                    the afternoon.
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....57-62.
   24 hr trend......Unchanged.
Max humidity........85-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 5 to 7 mph.
Mixing height.......4900-5400 ft AGL decreasing to 100-600 ft AGL
                    after midnight.
Transport winds.....South around 10 mph.
Smoke dispersal.....50-540 (poor to good).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 84.
   24 hr trend......2 degrees cooler.
Min humidity........32-37 percent.
   24 hr trend......5 percent drier.
20-foot winds.......South winds 6 to 11 mph. Gusts up to 21 mph in
                    the afternoon.
Mixing height.......3300-3800 ft AGL increasing to 6500-7000 ft AGL
                    in the afternoon.
Transport winds.....Southwest around 10 mph increasing to south
                    around 20 mph in the afternoon.
Smoke dispersal.....490 (good) increasing to 1380 (excellent) in
                    the afternoon.
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
5 to 10 mph.
.MONDAY...Mostly sunny. Chance of showers in the afternoon. Highs in
the lower 80s. Southwest winds 6 to 11 mph.
.MONDAY NIGHT...Mostly cloudy. Chance of showers in the evening,
then showers after midnight. Lows in the mid 50s. West winds 5 to
9 mph.
.TUESDAY...Cooler. Partly sunny with a chance of showers. Highs in
the mid 60s. Northwest winds 5 to 10 mph.
.TUESDAY NIGHT...Colder. Partly cloudy. Lows around 40. North winds
5 to 9 mph.
.WEDNESDAY...Sunny. Highs in the lower 60s. Northeast winds 5 to
9 mph.
.WEDNESDAY NIGHT...Clear. Areas of frost after midnight. Lows in the
mid 30s.
.THURSDAY...Sunny. Areas of frost in the morning. Highs in the lower
60s.
.THURSDAY NIGHT...Mostly clear. Lows around 40.
.FRIDAY...Mostly sunny. Highs in the upper 60s.

$$