768
FNUS53 KGRR 191929
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
329 PM EDT Tue Aug 19 2025

...Dry Through Friday Night With Seasonable Temps...

.DISCUSSION...
Isolated showers down near Jackson will end in the next hour
or two with high pressure then keeping conditions dry until
a cold front arrives Friday night. Even that front will have
only light rainfall given a lack of moisture. Highs the
next several days will be in the upper 70s to low 80s with
MinRH values in the upper 40s to low 50s across Central Lower
and Mid 50s to Low 60s across Southern Lower.

MIZ037>039-043>045-200815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
329 PM EDT Tue Aug 19 2025

.TONIGHT...
Sky/weather.........Mostly cloudy (75-85 percent) until 5 AM, then
                    partly cloudy (60-70 percent).
Min temperature.....53-58.
   24 hr trend......7 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 6 mph.
Mixing height.......1700-2200 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....100-260 (poor to fair).
Pcpn Amount.........None.

.WEDNESDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....76-81.
   24 hr trend......4 degrees warmer.
Min humidity........54-59 percent near Lake Michigan and 44-49
                    percent Inland.
   24 hr trend......14 percent drier near Lake Michigan and 29
                    percent drier Inland.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......3600-4100 ft AGL near Lake Michigan and
                    5200-5700 ft AGL Inland.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....510-690 (good to excellent).
Pcpn Amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....51-56.
   24 hr trend......2 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 6 mph.
Mixing height.......1100-1600 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....50-150 (poor to fair).
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....80-85.
   24 hr trend......4 degrees warmer.
Min humidity........49-54 percent near Lake Michigan and 40-45
                    percent Inland.
   24 hr trend......4 percent drier near Lake Michigan and 3
                    percent drier Inland.
20-foot winds.......Light winds becoming northeast around 6 mph in
                    the afternoon.
Mixing height.......4200-4700 ft AGL near Lake Michigan and
                    6500-7000 ft AGL Inland.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....610-650 (excellent).
Pcpn Amount.........None.


$$

MIZ040-046-200815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
329 PM EDT Tue Aug 19 2025

.TONIGHT...
Sky/weather.........Mostly cloudy (75-85 percent) until 5 AM, then
                    partly cloudy (65-75 percent). Patchy fog after
                    3 AM until 5 AM.
Min temperature.....53-58.
   24 hr trend......4 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 7 mph.
Mixing height.......1600-2100 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....150-180 (fair).
Pcpn Amount.........None.

.WEDNESDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 79.
   24 hr trend......9 degrees warmer.
Min humidity........42-47 percent.
   24 hr trend......34 percent drier.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......5000-5500 ft AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....620-720 (excellent).
Pcpn Amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....51-56.
   24 hr trend......2 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds up to 5 mph.
Mixing height.......800-1300 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....50-120 (poor).
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 82.
   24 hr trend......2 degrees warmer.
Min humidity........41-46 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northeast winds 5 to 9 mph.
Mixing height.......5900-6400 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....660-730 (excellent).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-200815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
329 PM EDT Tue Aug 19 2025

.TONIGHT...
Sky/weather.........Partly cloudy (65-75 percent) until 11 PM, then
                    mostly cloudy (65-75 percent) until 2 AM, then
                    partly cloudy (60-70 percent).
Min temperature.....59-64.
   24 hr trend......5 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds around 5 mph in the evening
                    becoming light.
Mixing height.......1700-2200 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....100-300 (poor to good).
Pcpn Amount.........None.

.WEDNESDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....77-82.
   24 hr trend......2 degrees warmer.
Min humidity........49-54 percent.
   24 hr trend......19 percent drier.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......4100-4600 ft AGL near Lake Michigan and
                    5000-5500 ft AGL Inland.
Transport winds.....North around 10 mph.
Smoke dispersal.....420-610 (good to excellent).
Pcpn Amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....56-61.
   24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds around 5 mph in the evening
                    becoming light.
Mixing height.......700-1200 ft AGL near Lake Michigan and
                    1600-2100 ft AGL Inland.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....50-120 (poor).
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....78-83.
   24 hr trend......2 degrees warmer.
Min humidity........47-52 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Northeast winds 5 to 9 mph.
Mixing height.......4800-5300 ft AGL near Lake Michigan and
                    5800-6300 ft AGL Inland.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....630-720 (excellent).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-200815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
329 PM EDT Tue Aug 19 2025

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 5 AM, then
                    partly cloudy (65-75 percent).
Min temperature.....58-63.
   24 hr trend......4 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......1700-2200 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....160-200 (fair).
Pcpn Amount.........None.

.WEDNESDAY...
Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....76-81.
   24 hr trend......1 degree warmer.
Min humidity........50-55 percent.
   24 hr trend......24 percent drier.
20-foot winds.......Northeast winds 7 to 12 mph.
Mixing height.......4900-5400 ft AGL.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....540-660 (good to excellent).
Pcpn Amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 58.
   24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 8 mph.
Mixing height.......800-1300 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....80-100 (poor).
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....78-83.
   24 hr trend......2 degrees warmer.
Min humidity........50-55 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......5800-6300 ft AGL.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....700-720 (excellent).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-200815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
329 PM EDT Tue Aug 19 2025

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent).
Min temperature.....Around 61.
   24 hr trend......3 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 8 mph.
Mixing height.......1400-1900 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....170-190 (fair).
Pcpn Amount.........None.

.WEDNESDAY...
Sky/weather.........Partly sunny (45-55 percent).
Max temperature.....Around 77.
   24 hr trend......5 degrees cooler.
Min humidity........60-65 percent.
   24 hr trend......19 percent drier.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......4400-4900 ft AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....490-630 (good to excellent).
Pcpn Amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (20-30 percent).
Min temperature.....Around 58.
   24 hr trend......2 degrees cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 8 mph.
Mixing height.......1400-1900 ft AGL.
Transport winds.....Northeast 10 to 15 mph.
Smoke dispersal.....130-160 (fair).
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....Around 80.
   24 hr trend......3 degrees warmer.
Min humidity........51-56 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Northeast winds 6 to 11 mph.
Mixing height.......4700-5200 ft AGL.
Transport winds.....Northeast around 15 mph.
Smoke dispersal.....690-760 (excellent).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds 5 to
6 mph in the evening becoming light.
.FRIDAY...Sunny. Highs in the lower 80s. South winds up to 5 mph
shifting to the southwest 5 to 6 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds 5 to 6 mph.
.SATURDAY...Sunny. Highs in the upper 70s. West winds 6 to 11 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
5 to 9 mph.
.SUNDAY...Sunny. Highs in the lower 70s. West winds 6 to 11 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the lower 70s.

$$