116
FNUS53 KGRR 230745
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
345 AM EDT Sat Aug 23 2025

...Spotty rainfall today, much cooler beginning Sunday...

.DISCUSSION...Rainfall today with a passing cold front
will be spotty in coverage and barely wetting in many areas.
This will be followed by a drastic cooldown starting Sunday
with lake effect rain from Monday morning into Tuesday.
Precipitation amounts will be limited, but coverage should
be much greater. A gradual warmup with mostly dry conditions
is expected from Wednesday onward.


MIZ037>039-043>045-232015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
345 AM EDT Sat Aug 23 2025

.TODAY...
Sky/weather.........Mostly cloudy (70-80 percent) until 11 AM, then
                    mostly sunny (35-45 percent).
Max temperature.....76-81.
   24 hr trend......4 degrees cooler.
Min humidity........59-64 percent near Lake Michigan and 50-55
                    percent Inland.
   24 hr trend......2 percent drier near Lake Michigan and 4
                    percent wetter Inland.
20-foot winds.......West winds 7 to 12 mph.
Mixing height.......Near Lake Michigan, 2400-2900 ft AGL increasing
                    to 4900-5400 ft AGL in the afternoon.
Mixing height.......Inland, 5200-5700 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....1150-1300 (excellent).
Pcpn Amount.........None to 0.11 in.

.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Min temperature.....50-55.
   24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 5 mph in the evening
                    becoming light.
Mixing height.......Near Lake Michigan, 2200-2700 ft AGL.
Mixing height.......Inland, 2500-3000 ft AGL decreasing to 300-800
                    ft AGL overnight.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....110-440 (poor to good).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Partly sunny (45-55 percent).
Max temperature.....66-71.
   24 hr trend......8 degrees cooler.
Min humidity........49-54 percent.
   24 hr trend......11 percent wetter.
20-foot winds.......West winds 7 to 12 mph. Gusts up to 21 mph in
                    the afternoon.
Mixing height.......4500-5000 ft AGL near Lake Michigan and
                    5300-5800 ft AGL Inland.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....1000-1280 (excellent).
Pcpn Amount.........none to 0.09 in.


$$

MIZ040-046-232015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
345 AM EDT Sat Aug 23 2025

.TODAY...
Sky/weather.........Mostly cloudy (75-85 percent) until 11 AM, then
                    mostly sunny (35-45 percent). Chance of showers
                    and a slight chance of thunderstorms until 12
                    PM.
Chance of pcpn......30 percent until midday.
Max temperature.....78-83.
   24 hr trend......1 degree cooler.
Min humidity........44-49 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......West winds 7 to 12 mph. Gusts up to 21 mph in
                    the afternoon.
Mixing height.......6500-7000 ft AGL.
Transport winds.....West 20 to 25 mph.
Smoke dispersal.....1270-1720 (excellent).
Pcpn Amount.........none to 0.08 in.

.TONIGHT...
Sky/weather.........Mostly clear (20-30 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 5 mph in the evening becoming
                    light.
Mixing height.......1900-2400 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....40-380 (poor to good).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....69-74.
   24 hr trend......10 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......West winds 6 to 11 mph.
Mixing height.......6000-6500 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....1040-1360 (excellent).
Pcpn Amount.........none to 0.04 in.


$$

MIZ050-056-064-071-232015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
345 AM EDT Sat Aug 23 2025

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) until 2 PM, then
                    mostly sunny (30-40 percent). Chance of showers
                    and a slight chance of thunderstorms after 9 AM
                    until 1 PM.
Chance of pcpn......30 percent until midday.
Max temperature.....75-80.
   24 hr trend......Unchanged.
Min humidity........54-59 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......West winds 7 to 12 mph. Gusts up to 20 mph in
                    the afternoon.
Mixing height.......Near Lake Michigan, 2200-2700 ft AGL increasing
                    to 4300-4800 ft AGL in the afternoon.
Mixing height.......Inland, 4700-5200 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....740-1060 (excellent).
Pcpn Amount.........None to 0.11 in.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....56-61.
   24 hr trend......3 degrees cooler.
Max humidity........85-90 percent near Lake Michigan and 95-100
                    percent Inland.

   24 hr trend......Unchanged.

20-foot winds.......Northwest winds around 5 mph in the evening
                    becoming light.
Mixing height.......2700-3200 ft AGL near Lake Michigan and
                    1600-2100 ft AGL Inland.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....190-320 (fair to good).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....68-73.
   24 hr trend......7 degrees cooler.
Min humidity........55-60 percent.
   24 hr trend......3 percent drier.
20-foot winds.......West winds 7 to 12 mph. Gusts up to 21 mph in
                    the afternoon.
Mixing height.......5200-5700 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....990-1270 (excellent).
Pcpn Amount.........none to 0.02 in.


$$

MIZ051-052-057>059-232015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
345 AM EDT Sat Aug 23 2025

.TODAY...
Sky/weather.........Mostly cloudy (70-80 percent) until 2 PM, then
                    mostly sunny (30-40 percent). Chance of showers
                    and a slight chance of thunderstorms after 9 AM
                    until 5 PM.
Chance of pcpn......40 percent.
Max temperature.....78-83.
   24 hr trend......Unchanged.
Min humidity........51-56 percent.
   24 hr trend......2 percent drier.
20-foot winds.......West winds 9 to 14 mph. Gusts up to 22 mph in
                    the afternoon.
Mixing height.......6000-6500 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....920-1430 (excellent).
Pcpn Amount.........None to 0.17 in.

.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....54-59.
   24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 7 mph in the evening becoming
                    light.
Mixing height.......2200-2700 ft AGL decreasing to 200-700 ft AGL
                    overnight.
Transport winds.....West 10 to 15 mph.
Smoke dispersal.....50-290 (poor to fair).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....69-74.
   24 hr trend......10 degrees cooler.
Min humidity........49-54 percent.
   24 hr trend......1 percent drier.
20-foot winds.......West winds 8 to 13 mph.
Mixing height.......5800-6300 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....1030-1340 (excellent).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-232015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
345 AM EDT Sat Aug 23 2025

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) until 5 PM, then
                    mostly sunny (35-45 percent). Chance of showers
                    and thunderstorms after 11 AM until 5 PM.
Chance of pcpn......30 percent.
Max temperature.....78-83.
   24 hr trend......Unchanged.
Min humidity........56-61 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......West winds 7 to 12 mph. Gusts up to 20 mph in
                    the afternoon.
Mixing height.......5500-6000 ft AGL.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....730-1200 (excellent).
Pcpn Amount.........None to 0.12 in.

.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....Around 55.
   24 hr trend......7 degrees cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 5 mph in the evening becoming
                    light.
Mixing height.......1400-1900 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....50-250 (poor to fair).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....70-75.
   24 hr trend......10 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.....980-1280 (excellent).
Pcpn Amount.........none to 0.01 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.SUNDAY NIGHT...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows in the lower 50s. Northwest winds 5 to
9 mph.
.MONDAY...Mostly sunny with a slight chance of thunderstorms. Chance
of showers. Highs in the upper 60s. Northwest winds 6 to 11 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Northwest winds
5 to 7 mph in the evening becoming light.
.TUESDAY...Sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest winds
5 to 6 mph in the evening becoming light.
.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...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.

$$