381
FNUS53 KGRR 170823
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
423 AM EDT Tue Jun 17 2025

...Widespread beneficial rain Wednesday with Severe Storms...

.DISCUSSION...
A weak cold front will drop down over the area today. It will
bring a small chance of showers and storms, mainly tonight along
I-94. Showers and storms will be possible Wednesday morning,
before conditions dry out for a few hours. Then, a widespread line
of showers and storms with strong winds will move through Wednesday
evening.


MIZ037>039-043>045-172030-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
423 AM EDT Tue Jun 17 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Slight chance of
                    showers and thunderstorms.
Chance of pcpn......20 percent.
Max temperature.....81-86.
   24 hr trend......2 degrees warmer.
Min humidity........60-65 percent near Lake Michigan and 50-55
                    percent Inland.
   24 hr trend......17 percent wetter near Lake Michigan and 15
                    percent wetter Inland.
20-foot winds.......Southwest winds 9 to 14 mph.
Mixing height.......1700-2200 ft AGL near Lake Michigan and
                    4300-4800 ft AGL Inland.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....1080-1160 (excellent).
Pcpn Amount.........none to 0.02 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 2 AM, then
                    mostly cloudy (75-85 percent). Chance of rain
                    showers and a slight chance of thunderstorms.
Chance of pcpn......50 percent.
Min temperature.....57-62.
   24 hr trend......1 degree warmer.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 5 mph shifting to the south
                    overnight.
Mixing height.......100-600 ft AGL near Lake Michigan and 1900-2400
                    ft AGL Inland.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....40-390 (poor to good).
Pcpn Amount.........0.09-0.29 in.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Showers. Chance
                    of thunderstorms after 11 AM.
Chance of pcpn......90 percent.
Max temperature.....74-79.
   24 hr trend......7 degrees cooler.
Min humidity........64-69 percent.
   24 hr trend......4 percent wetter near Lake Michigan and 14
                    percent wetter Inland.
20-foot winds.......South winds 5 to 9 mph.
Mixing height.......1000-1500 ft AGL near Lake Michigan and
                    2900-3400 ft AGL Inland.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....470-490 (good).
Pcpn Amount.........0.43-1.30 in.


$$

MIZ040-046-172030-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
423 AM EDT Tue Jun 17 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Slight chance of
                    showers and thunderstorms after 9 AM.
Chance of pcpn......20 percent.
Max temperature.....Around 87.
   24 hr trend......3 degrees warmer.
Min humidity........46-51 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph.
Mixing height.......5500-6000 ft AGL.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....1190-1390 (excellent).
Pcpn Amount.........none to 0.03 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 5 AM, then
                    mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Min temperature.....59-64.
   24 hr trend......1 degree warmer.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 6 mph shifting to the south
                    around 5 mph overnight.
Mixing height.......2800-3300 ft AGL decreasing to 100-600 ft AGL
                    overnight.
Transport winds.....West around 10 mph shifting to the east
                    overnight.
Smoke dispersal.....30-490 (poor to good).
Pcpn Amount.........around 0.11 in.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Showers. Chance
                    of thunderstorms after 11 AM.
Chance of pcpn......90 percent.
Max temperature.....76-81.
   24 hr trend......8 degrees cooler.
Min humidity........64-69 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......Southeast winds 5 to 10 mph.
Mixing height.......4100-4600 ft AGL.
Transport winds.....Southeast 10 to 15 mph.
Smoke dispersal.....540-650 (good to excellent).
Pcpn Amount.........0.41-1.10 in.


$$

MIZ050-056-064-071-172030-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
423 AM EDT Tue Jun 17 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Slight chance of
                    showers after 9 AM. Slight chance of
                    thunderstorms after 5 PM.
Chance of pcpn......20 percent.
Max temperature.....82-87.
   24 hr trend......2 degrees warmer.
Min humidity........50-55 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......Southwest winds 8 to 13 mph.
Mixing height.......1700-2200 ft AGL near Lake Michigan and
                    4900-5400 ft AGL Inland.
Transport winds.....Southwest around 15 mph.
Smoke dispersal.....700-890 (excellent).
Pcpn Amount.........None to 0.12 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 2 AM, then
                    mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Min temperature.....60-65.
   24 hr trend......Unchanged.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 9 mph.
Mixing height.......200-700 ft AGL near Lake Michigan and 1600-2100
                    ft AGL Inland.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....70-220 (poor to fair).
Pcpn Amount.........0.12-0.30 in.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Showers. Chance
                    of thunderstorms after 11 AM.
Chance of pcpn......90 percent.
Max temperature.....76-81.
   24 hr trend......6 degrees cooler.
Min humidity........64-69 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Southwest winds 6 to 11 mph.
Mixing height.......1500-2000 ft AGL near Lake Michigan and
                    3600-4100 ft AGL Inland.
Transport winds.....South around 10 mph increasing to around 20 mph
                    in the afternoon.
Smoke dispersal.....610-780 (excellent).
Pcpn Amount.........0.30-0.92 in.


$$

MIZ051-052-057>059-172030-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
423 AM EDT Tue Jun 17 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Slight chance of
                    showers after 9 AM. Slight chance of
                    thunderstorms after 2 PM.
Chance of pcpn......20 percent.
Max temperature.....83-88.
   24 hr trend......3 degrees warmer.
Min humidity........48-53 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph.
Mixing height.......5600-6100 ft AGL.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....940-1210 (excellent).
Pcpn Amount.........none to 0.03 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 5 AM, then
                    mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Min temperature.....Around 66.
   24 hr trend......2 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 8 mph.
Mixing height.......2500-3000 ft AGL decreasing to 200-700 ft AGL
                    overnight.
Transport winds.....West 5 to 10 mph.
Smoke dispersal.....40-400 (poor to good).
Pcpn Amount.........0.06-0.23 in.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Showers. Chance
                    of thunderstorms after 11 AM.
Chance of pcpn......90 percent.
Max temperature.....Around 81.
   24 hr trend......5 degrees cooler.
Min humidity........64-69 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Southwest winds 6 to 11 mph.
Mixing height.......4200-4700 ft AGL.
Transport winds.....Southwest around 10 mph increasing to south
                    around 20 mph in the afternoon.
Smoke dispersal.....570-730 (good to excellent).
Pcpn Amount.........0.42-0.95 in.


$$

MIZ065>067-072>074-172030-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
423 AM EDT Tue Jun 17 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of showers
                    after 10 AM. Chance of thunderstorms after 5
                    PM.
Chance of pcpn......30 percent.
Max temperature.....Around 87.
   24 hr trend......3 degrees warmer.
Min humidity........48-53 percent.
   24 hr trend......11 percent wetter.
20-foot winds.......Southwest winds 7 to 12 mph.
Mixing height.......5300-5800 ft AGL.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....760-960 (excellent).
Pcpn Amount.........none to 0.04 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 5 AM, then
                    mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Min temperature.....Around 67.
   24 hr trend......3 degrees warmer.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 8 mph.
Mixing height.......2700-3200 ft AGL decreasing to 400-900 ft AGL
                    overnight.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....60-280 (poor to fair).
Pcpn Amount.........None to 0.28 in.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Showers. Chance
                    of thunderstorms after 11 AM.
Chance of pcpn......90 percent.
Max temperature.....79-84.
   24 hr trend......5 degrees cooler.
Min humidity........64-69 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Southwest winds 8 to 13 mph.
Mixing height.......3900-4400 ft AGL.
Transport winds.....Southwest around 10 mph increasing to around 25
                    mph in the afternoon.
Smoke dispersal.....600-1170 (excellent).
Pcpn Amount.........0.22-1.28 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.WEDNESDAY NIGHT...Partly cloudy. Showers likely and a slight chance
of thunderstorms in the evening, then a chance of showers overnight.
Lows in the upper 50s. Southwest winds 5 to 10 mph.
.JUNETEENTH...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. West winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. West winds
5 to 9 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. West winds 5 to
10 mph.
.FRIDAY NIGHT...Partly cloudy with a chance of showers. Lows in the
mid 60s. South winds 5 to 10 mph.
.SATURDAY...Mostly sunny. Chance of showers. Highs in the upper 80s.
Southwest winds 8 to 13 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 70s.
.SUNDAY...Sunny. Highs in the lower 90s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s.
.MONDAY...Sunny. Highs in the lower 90s.

$$