393
FNUS53 KGRR 180805
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
405 AM EDT Mon Aug 18 2025

...Showers and Storms Return Tonight and into Tuesday...

.DISCUSSION...
A few showers are possible today across Western Lower Michigan, with
a bigger push occurring tonight into Tuesday morning. A round of
showers and storms will move through the area between midnight
tonight and roughly noon on Tuesday. These storms have the
possibility of torrential rain as the atmosphere has a high moisture
content through a deep depth. The rain will come to an end of
Wednesday with mainly dry weather expected mid to late week.


MIZ037>039-043>045-182015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
405 AM EDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Partly sunny (45-55 percent). Slight chance of
                    rain showers after 2 PM.
Chance of pcpn......20 percent in the afternoon.
Max temperature.....78-83.
   24 hr trend......3 degrees cooler.
Min humidity........43-48 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southeast winds 6 to 11 mph.
Mixing height.......2600-3100 ft AGL near Lake Michigan and
                    3600-4100 ft AGL Inland.
Transport winds.....Southeast 10 to 15 mph.
Smoke dispersal.....330-520 (good).
Pcpn Amount.........none to 0.07 in.

.TONIGHT...
Sky/weather.........Partly cloudy (65-75 percent) until 11 PM, then
                    mostly cloudy (80-90 percent). Chance of
                    showers until 2 AM. Chance of thunderstorms.
                    Showers likely after 2 AM.
Chance of pcpn......60 percent.
Min temperature.....61-66.
   24 hr trend......6 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 6 to 11 mph. Gusts up to 20 mph
                    overnight.
Mixing height.......1200-1700 ft AGL.
Transport winds.....Southeast around 15 mph.
Smoke dispersal.....130-150 (fair).
Pcpn Amount.........0.06-0.89 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    showers until 5 PM. Chance of thunderstorms.
Chance of pcpn......40 percent.
Max temperature.....78-83.
   24 hr trend......2 degrees warmer.
Min humidity........69-74 percent.
   24 hr trend......31 percent wetter.
20-foot winds.......South winds around 7 mph shifting to the
                    northwest in the afternoon.
Mixing height.......1700-2200 ft AGL near Lake Michigan and
                    3100-3600 ft AGL Inland.
Transport winds.....South around 10 mph shifting to the northwest
                    in the afternoon.
Smoke dispersal.....190-290 (fair).
Pcpn Amount.........0.02-0.23 in.


$$

MIZ040-046-182015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
405 AM EDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....76-81.
   24 hr trend......3 degrees warmer.
Min humidity........44 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Southeast winds 5 to 10 mph.
Mixing height.......4100-4600 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....380-540 (good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 11 PM, then
                    mostly cloudy (75-85 percent). Chance of
                    showers. Chance of thunderstorms after 11 PM.
Chance of pcpn......50 percent.
Min temperature.....Around 62.
   24 hr trend......10 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 5 to 10 mph.
Mixing height.......1500-2000 ft AGL.
Transport winds.....Southeast 10 to 15 mph.
Smoke dispersal.....100-260 (poor to fair).
Pcpn Amount.........0.06-0.35 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....75-80.
   24 hr trend......2 degrees cooler.
Min humidity........71-76 percent.
   24 hr trend......34 percent wetter.
20-foot winds.......Southeast winds 5 to 10 mph.
Mixing height.......2700-3200 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....150-270 (fair).
Pcpn Amount.........0.03-0.18 in.


$$

MIZ050-056-064-071-182015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
405 AM EDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    showers after 11 AM.
Chance of pcpn......20 percent.
Max temperature.....81-86.
   24 hr trend......Unchanged.
Min humidity........42-47 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Southeast winds 5 to 10 mph.
Mixing height.......Near Lake Michigan, 3400-3900 ft AGL.
Mixing height.......Inland, 2500-3000 ft AGL increasing to
                    4600-5100 ft AGL in the afternoon.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....260-480 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 11 PM, then
                    mostly cloudy (75-85 percent). Chance of
                    showers until 2 AM. Chance of thunderstorms.
                    Showers likely after 2 AM.
Chance of pcpn......60 percent.
Min temperature.....Around 68.
   24 hr trend......7 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 6 to 11 mph.
Mixing height.......1300-1800 ft AGL.
Transport winds.....South around 15 mph.
Smoke dispersal.....120-160 (poor to fair).
Pcpn Amount.........0.08-0.50 in.

.TUESDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of showers
                    until 5 PM. Chance of thunderstorms.
Chance of pcpn......40 percent.
Max temperature.....81-86.
   24 hr trend......2 degrees cooler.
Min humidity........69-74 percent.
   24 hr trend......27 percent wetter.
20-foot winds.......Southwest winds around 8 mph shifting to the
                    west around 10 mph in the afternoon.
Mixing height.......2000-2500 ft AGL near Lake Michigan and
                    3400-3900 ft AGL Inland.
Transport winds.....Southwest around 10 mph shifting to the
                    northwest in the afternoon.
Smoke dispersal.....290-400 (fair to good).
Pcpn Amount.........0.02-0.37 in.


$$

MIZ051-052-057>059-182015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
405 AM EDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....79-84.
   24 hr trend......1 degree warmer.
Min humidity........42-47 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Southeast winds 5 to 10 mph.
Mixing height.......4300-4800 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....280-470 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 2 AM, then
                    mostly cloudy (80-90 percent). Chance of
                    showers. Chance of thunderstorms after 11 PM.
Chance of pcpn......50 percent.
Min temperature.....62-67.
   24 hr trend......8 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 6 to 11 mph.
Mixing height.......1400-1900 ft AGL.
Transport winds.....Southeast around 15 mph.
Smoke dispersal.....100-160 (poor to fair).
Pcpn Amount.........0.04-0.37 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....79-84.
   24 hr trend......2 degrees warmer.
Min humidity........69-74 percent.
   24 hr trend......29 percent wetter.
20-foot winds.......South winds around 7 mph shifting to the west
                    around 8 mph in the afternoon.
Mixing height.......3600-4100 ft AGL.
Transport winds.....South around 10 mph shifting to the west in the
                    afternoon.
Smoke dispersal.....270-390 (fair to good).
Pcpn Amount.........0.03-0.43 in.


$$

MIZ065>067-072>074-182015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
405 AM EDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Sunny (20-30 percent).
Max temperature.....80-85.
   24 hr trend......1 degree cooler.
Min humidity........44-49 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Southeast winds 5 to 9 mph.
Mixing height.......4500-5000 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....270-410 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 5 AM, then
                    mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms after 2 AM.
Chance of pcpn......50 percent overnight.
Min temperature.....61-66.
   24 hr trend......8 degrees warmer.
Max humidity........92-97 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 5 to 10 mph.
Mixing height.......1200-1700 ft AGL.
Transport winds.....Southeast around 15 mph.
Smoke dispersal.....110-160 (poor to fair).
Pcpn Amount.........None to 0.34 in.

.TUESDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of showers
                    and thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....Around 83.
   24 hr trend......2 degrees warmer.
Min humidity........67-72 percent.
   24 hr trend......28 percent wetter.
20-foot winds.......South winds around 7 mph shifting to the west
                    around 8 mph in the afternoon.
Mixing height.......3500-4000 ft AGL.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....290-380 (fair to good).
Pcpn Amount.........0.08-0.51 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
5 to 9 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s. North winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 5 to 9 mph.
.THURSDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
9 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. East winds 5 to
6 mph in the evening becoming light.
.FRIDAY...Sunny. Highs in the mid 80s. Southwest winds 5 to 9 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Sunny. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
.SUNDAY...Sunny. Highs in the mid 70s.

$$