137
FNUS53 KGRR 180809
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
409 AM EDT Fri Apr 18 2025

...Warmer today with multiple chances of storms...

.DISCUSSION...
Multiple rounds of showers and storms can be expected today and
tonight, with a warm and dry period for this afternoon in between
rounds. A cold front will move through tonight, bringing one last
chance of showers and storms for a couple of days. Saturday will be
cooler and drier behind the front. The front will move back in over
the area later Sunday, and will bring more rain to Sunday and
Monday.

MIZ037>039-043>045-182030-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
409 AM EDT Fri Apr 18 2025

.TODAY...
Sky/weather.........Cloudy (85-95 percent). Rain showers likely
                    until 2 PM. Chance of thunderstorms. Chance of
                    rain showers after 2 PM.
Chance of pcpn......70 percent.
Max temperature.....59-64 near Lake Michigan and 68-73 Inland.
   24 hr trend......4 degrees cooler near Lake Michigan and 3
                    degrees warmer Inland.
Min humidity........69-74 percent near Lake Michigan and 61-66
                    percent Inland.
   24 hr trend......45 percent wetter near Lake Michigan and 41
                    percent wetter Inland.
20-foot winds.......South winds 9 to 14 mph with higher gusts.
Mixing height.......800-1300 ft AGL near Lake Michigan and
                    2100-2600 ft AGL Inland.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....300-440 (good).
Pcpn Amount.........0.04-0.28 in.

.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Rain showers and a
                    chance of thunderstorms until 2 AM, then a
                    chance of rain showers.
Chance of pcpn......80 percent.
Min temperature.....37-42.
   24 hr trend......9 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 12 mph shifting to the
                    northwest around 11 mph overnight.
Mixing height.......1600-2100 ft AGL.
Transport winds.....Southwest around 20 mph shifting to the
                    northwest overnight.
Smoke dispersal.....320-350 (good).
Pcpn Amount.........0.17-0.53 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (65-75 percent).
Max temperature.....51-56.
   24 hr trend......8 degrees cooler near Lake Michigan and 17
                    degrees cooler Inland.
Min humidity........54-59 percent near Lake Michigan and 44-49
                    percent Inland.
   24 hr trend......15 percent drier near Lake Michigan and 17
                    percent drier Inland.
20-foot winds.......Northwest winds 9 to 14 mph.
Mixing height.......2700-3200 ft AGL near Lake Michigan and
                    4100-4600 ft AGL Inland.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....620-930 (excellent).
Pcpn Amount.........None.


$$

MIZ040-046-182030-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
409 AM EDT Fri Apr 18 2025

.TODAY...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely until 2 PM. Chance of thunderstorms.
                    Chance of rain showers after 2 PM.
Chance of pcpn......60 percent.
Max temperature.....69-74.
   24 hr trend......7 degrees warmer.
Min humidity........59-64 percent.
   24 hr trend......44 percent wetter.
20-foot winds.......Southwest winds 9 to 14 mph.
Mixing height.......2800-3300 ft AGL.
Transport winds.....Southwest around 15 mph.
Smoke dispersal.....320-550 (good).
Pcpn Amount.........none to 0.10 in.

.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Rain showers likely and
                    a chance of thunderstorms until 2 AM, then a
                    chance of rain showers.
Chance of pcpn......70 percent.
Min temperature.....36-41.
   24 hr trend......7 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds 11 to 16 mph and gusty.
Mixing height.......1300-1800 ft AGL.
Transport winds.....Southwest around 20 mph shifting to the
                    northwest overnight.
Smoke dispersal.....380-400 (good).
Pcpn Amount.........0.09-0.47 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (65-75 percent).
Max temperature.....52-57.
   24 hr trend......17 degrees cooler.
Min humidity........41-46 percent.
   24 hr trend......18 percent drier.
20-foot winds.......Northwest winds 10 to 15 mph.
Mixing height.......4300-4800 ft AGL.
Transport winds.....Northwest around 20 mph.
Smoke dispersal.....680-1000 (excellent).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-182030-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
409 AM EDT Fri Apr 18 2025

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....74-79.
   24 hr trend......13 degrees warmer.
Min humidity........49-54 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......South winds 12 to 17 mph.
Mixing height.......1400-1900 ft AGL near Lake Michigan and
                    3600-4100 ft AGL Inland.
Transport winds.....Southwest 20 to 25 mph.
Smoke dispersal.....820-1110 (excellent).
Pcpn Amount.........none to 0.09 in.

.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Rain showers likely
                    until 2 AM. Chance of thunderstorms. Chance of
                    rain showers after 2 AM.
Chance of pcpn......70 percent.
Min temperature.....39-44.
   24 hr trend......12 degrees cooler.
Max humidity........91-96 percent.
   24 hr trend......24 percent wetter.
20-foot winds.......Southwest winds around 15 mph shifting to the
                    northwest around 12 mph overnight.
Mixing height.......1300-1800 ft AGL.
Transport winds.....Southwest around 20 mph shifting to the
                    northwest overnight.
Smoke dispersal.....290-320 (fair to good).
Pcpn Amount.........0.09-0.28 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent).
Max temperature.....52-57.
   24 hr trend......22 degrees cooler.
Min humidity........48-53 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Northwest winds 8 to 13 mph.
Mixing height.......2700-3200 ft AGL near Lake Michigan and
                    3900-4400 ft AGL Inland.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....570-810 (good to excellent).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-182030-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
409 AM EDT Fri Apr 18 2025

.TODAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
                    showers until 3 PM. Slight chance of
                    thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....73-78.
   24 hr trend......13 degrees warmer.
Min humidity........48-53 percent.
   24 hr trend......30 percent wetter.
20-foot winds.......Southwest winds 13 to 18 mph with gusts to
                    around 26 mph.
Mixing height.......2000-2500 ft AGL increasing to 4000-4500 ft AGL
                    in the afternoon.
Transport winds.....Southwest 20 to 25 mph.
Smoke dispersal.....480 (good) increasing to 1260 (excellent) in
                    the afternoon.
Pcpn Amount.........none to 0.10 in.

.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely until 2 AM. Chance of thunderstorms.
                    Chance of rain showers after 2 AM.
Chance of pcpn......70 percent.
Min temperature.....42-47.
   24 hr trend......7 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......24 percent wetter.
20-foot winds.......West winds 13 to 18 mph.
Mixing height.......1300-1800 ft AGL.
Transport winds.....West 20 to 25 mph.
Smoke dispersal.....380-440 (good).
Pcpn Amount.........0.07-0.28 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (70-80 percent).
Max temperature.....Around 57.
   24 hr trend......19 degrees cooler.
Min humidity........43-48 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Northwest winds 10 to 15 mph.
Mixing height.......4200-4700 ft AGL.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....580-960 (good to excellent).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-182030-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
409 AM EDT Fri Apr 18 2025

.TODAY...
Sky/weather.........Partly sunny (60-70 percent).
Max temperature.....Around 78.
   24 hr trend......16 degrees warmer.
Min humidity........48-53 percent.
   24 hr trend......20 percent wetter.
20-foot winds.......Southwest winds 14 to 19 mph with gusts to
                    around 28 mph.
Mixing height.......4500-5000 ft AGL.
Transport winds.....Southwest around 20 mph increasing to around 30
                    mph in the afternoon.
Smoke dispersal.....740 (excellent) increasing to 1630 (excellent)
                    in the afternoon.
Pcpn Amount.........none to 0.04 in.

.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely and a chance of thunderstorms.
Chance of pcpn......70 percent.
Min temperature.....46-51.
   24 hr trend......2 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......31 percent wetter.
20-foot winds.......Southwest winds 14 to 19 mph.
Mixing height.......1400-1900 ft AGL.
Transport winds.....Southwest around 25 mph.
Smoke dispersal.....380-480 (good).
Pcpn Amount.........0.04-0.30 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent).
Max temperature.....56-61.
   24 hr trend......20 degrees cooler.
Min humidity........47-52 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Northwest winds 9 to 14 mph.
Mixing height.......3800-4300 ft AGL.
Transport winds.....West around 15 mph.
Smoke dispersal.....500-790 (good to excellent).
Pcpn Amount.........none to 0.01 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds
5 to 9 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the mid
50s. East winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy. Chance of showers in the evening,
then showers overnight. Lows in the lower 40s. Southeast winds 6 to
11 mph.
.MONDAY...Mostly cloudy. Showers likely until midday, then a chance
of showers in the afternoon. Highs in the lower 60s. Southwest winds
10 to 15 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds
7 to 12 mph.
.TUESDAY...Mostly sunny. Highs around 60. West winds 6 to 11 mph.
.TUESDAY NIGHT...Partly cloudy. Chance of showers overnight. Lows in
the lower 40s.
.WEDNESDAY...Partly sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.THURSDAY...Mostly sunny. Highs in the upper 60s.

$$