660
FNUS53 KGRR 160821
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
421 AM EDT Wed Jul 16 2025

...Rain chances through tonight...

.DISCUSSION...
A few scattered showers and thunderstorms will be possible this
afternoon inland from Lake Michigan. A better chance of more
widespread showers and storms will move in this evening. Some
of the storms could become severe. A cold front will move through
later tonight, and will bring much cooler air across the area
through Friday.

MIZ037>039-043>045-162030-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
421 AM EDT Wed Jul 16 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of showers
                    after 9 AM until 7 PM. Chance of thunderstorms
                    after 11 AM. Showers likely after 7 PM.
Chance of pcpn......60 percent.
Max temperature.....83-88.
   24 hr trend......1 degree cooler.
Min humidity........59-64 percent.
   24 hr trend......20 percent wetter.
20-foot winds.......Southwest winds 5 to 9 mph.
Mixing height.......1900-2400 ft AGL near Lake Michigan and
                    4100-4600 ft AGL Inland.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....310-440 (good).
Pcpn Amount.........0.01-0.74 in.

.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Showers likely
                    and a chance of thunderstorms.
Chance of pcpn......60 percent.
Min temperature.....60-65.
   24 hr trend......5 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 5 mph shifting to the
                    west around 7 mph overnight.
Mixing height.......1600-2100 ft AGL.
Transport winds.....Southeast around 5 mph increasing to northwest
                    around 15 mph overnight.
Smoke dispersal.....160-290 (fair).
Pcpn Amount.........0.20-1.54 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (75-85 percent) until 5 PM, then
                    mostly sunny (40-50 percent).
Max temperature.....71-76.
   24 hr trend......12 degrees cooler.
Min humidity........55-60 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Northwest winds 9 to 14 mph.
Mixing height.......3200-3700 ft AGL.
Transport winds.....North around 20 mph.
Smoke dispersal.....550-650 (good to excellent).
Pcpn Amount.........none to 0.02 in.


$$

MIZ040-046-162030-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
421 AM EDT Wed Jul 16 2025

.TODAY...
Sky/weather.........Mostly sunny (45-55 percent). Chance of showers
                    until 2 PM. Chance of thunderstorms. Showers
                    likely after 2 PM.
Chance of pcpn......60 percent.
Max temperature.....Around 87.
   24 hr trend......3 degrees cooler.
Min humidity........59-64 percent.
   24 hr trend......30 percent wetter.
20-foot winds.......Southwest winds 5 to 9 mph.
Mixing height.......4000-4500 ft AGL.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....410-500 (good).
Pcpn Amount.........0.06-0.84 in.

.TONIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until 11 PM, then
                    mostly cloudy (70-80 percent). Showers likely
                    until 2 AM. Chance of thunderstorms. Chance of
                    showers after 2 AM.
Chance of pcpn......60 percent.
Min temperature.....60-65.
   24 hr trend......1 degree cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds around 5 mph shifting to the west
                    around 7 mph overnight.
Mixing height.......900-1400 ft AGL.
Transport winds.....South around 5 mph shifting to the west
                    overnight.
Smoke dispersal.....80-290 (poor to fair).
Pcpn Amount.........0.23-1.66 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (65-75 percent).
Max temperature.....73-78.
   24 hr trend......10 degrees cooler.
Min humidity........57-62 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Northwest winds 9 to 14 mph.
Mixing height.......3400-3900 ft AGL.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....580-650 (good to excellent).
Pcpn Amount.........none to 0.02 in.


$$

MIZ050-056-064-071-162030-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
421 AM EDT Wed Jul 16 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of showers
                    after 9 AM. Chance of thunderstorms after 11
                    AM.
Chance of pcpn......30 percent.
Max temperature.....85-90.
   24 hr trend......1 degree cooler.
Min humidity........59-64 percent.
   24 hr trend......24 percent wetter.
20-foot winds.......Southwest winds 5 to 9 mph.
Mixing height.......2000-2500 ft AGL near Lake Michigan and
                    3800-4300 ft AGL Inland.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....300-420 (good).
Pcpn Amount.........None to 0.48 in.

.TONIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until 11 PM, then
                    mostly cloudy (75-85 percent). Chance of
                    thunderstorms until 5 AM. Chance of showers.
Chance of pcpn......50 percent.
Min temperature.....Around 66.
   24 hr trend......2 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 6 to 11 mph.
Mixing height.......1200-1700 ft AGL near Lake Michigan and
                    2000-2500 ft AGL Inland.
Transport winds.....Southwest around 10 mph increasing to west
                    around 20 mph overnight.
Smoke dispersal.....230-370 (fair to good).
Pcpn Amount.........0.06-0.76 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (65-75 percent).
Max temperature.....74-79.
   24 hr trend......11 degrees cooler.
Min humidity........57-62 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph.
Mixing height.......3200-3700 ft AGL.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....510-550 (good).
Pcpn Amount.........none to 0.02 in.


$$

MIZ051-052-057>059-162030-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
421 AM EDT Wed Jul 16 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of showers
                    until 2 PM. Chance of thunderstorms. Showers
                    likely after 2 PM.
Chance of pcpn......60 percent.
Max temperature.....Around 88.
   24 hr trend......1 degree warmer.
Min humidity........57-62 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......Southwest winds 5 to 9 mph.
Mixing height.......3800-4300 ft AGL.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....380-450 (good).
Pcpn Amount.........0.01-0.68 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 11 PM, then
                    mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Min temperature.....65-70.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 10 mph.
Mixing height.......2100-2600 ft AGL.
Transport winds.....Southwest around 10 mph increasing to west
                    around 20 mph overnight.
Smoke dispersal.....210-350 (fair to good).
Pcpn Amount.........0.05-0.74 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    showers until 2 PM.
Chance of pcpn......30 percent until midday.
Max temperature.....75-80.
   24 hr trend......10 degrees cooler.
Min humidity........56-61 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Northwest winds 11 to 16 mph.
Mixing height.......3900-4400 ft AGL.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....590-740 (good to excellent).
Pcpn Amount.........none to 0.02 in.


$$

MIZ065>067-072>074-162030-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
421 AM EDT Wed Jul 16 2025

.TODAY...
Sky/weather.........Partly sunny (55-65 percent). Chance of showers
                    after 9 AM. Chance of thunderstorms after 11
                    AM.
Chance of pcpn......50 percent.
Max temperature.....Around 87.
   24 hr trend......1 degree cooler.
Min humidity........63-68 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......Southwest winds 5 to 9 mph.
Mixing height.......3600-4100 ft AGL.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....360-370 (good).
Pcpn Amount.........0.02-0.58 in.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 11 PM, then
                    mostly cloudy (65-75 percent) until 2 AM, then
                    partly cloudy (65-75 percent) until 5 AM, then
                    mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......40 percent.
Min temperature.....Around 69.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 6 to 11 mph.
Mixing height.......2000-2500 ft AGL.
Transport winds.....Southwest around 10 mph increasing to around 20
                    mph overnight.
Smoke dispersal.....170-320 (fair to good).
Pcpn Amount.........0.01-0.37 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    showers until 5 PM.
Chance of pcpn......30 percent.
Max temperature.....77-82.
   24 hr trend......8 degrees cooler.
Min humidity........62-67 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Northwest winds 10 to 15 mph.
Mixing height.......3900-4400 ft AGL.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....610-720 (excellent).
Pcpn Amount.........none to 0.05 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the upper 70s. East winds 5 to
9 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds 5 to 8 mph.
.SATURDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 8 mph shifting to the west in the
afternoon.
.SATURDAY NIGHT...Partly cloudy. Chance of showers. Lows in the
lower 60s. North winds 5 to 9 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to
9 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60.
.MONDAY...Mostly sunny. Highs in the lower 80s.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in the
lower 60s.
.TUESDAY...Mostly sunny. Highs in the upper 80s.

$$