792
FNUS53 KGRR 161025
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
625 AM EDT Wed Sep 16 2026

...Showers And Storms Through Tonight...

.DISCUSSION...
Scattered showers are ongoing near I94, and scattered showers
and storms are possible mainly south of I96 through tonight.
1/4-1/2" of rain is expected south of I94, up to 1/4" between
I96 and I94. Up to 0.1" of rain north of I96. Dry conditions
then follow for Thursday and Friday.

MIZ037>039-043>045-162130-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
625 AM EDT Wed Sep 16 2026

.TODAY...
Sky/weather.........Partly sunny (60-70 percent). Patchy fog until
                    10 AM.
Max temperature.....71-76.
   24 hr trend......2 degrees cooler.
Min humidity........51-56 percent.
   24 hr trend......15 percent drier.
20-foot winds.......Northeast winds 5 to 8 mph.
Mixing height.......3100-3600 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....200-240 (fair).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 9 PM, then
                    partly cloudy (50-60 percent). Slight chance of
                    rain showers after 9 PM.
Chance of pcpn......20 percent in the late evening and
overnight.
Min temperature.....48-53.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 7 mph.
Mixing height.......2700-3200 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....80-210 (poor to fair).
Pcpn Amount.........none to 0.03 in.

.THURSDAY...
Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....73-78.
   24 hr trend......4 degrees warmer.
Min humidity........59-64 percent near Lake Michigan and 48-53
                    percent Inland.
   24 hr trend......Unchanged near Lake Michigan and 3 percent
                    wetter Inland.
20-foot winds.......Light winds becoming north around 5 mph in the
                    afternoon.
Mixing height.......Near Lake Michigan, 2000-2500 ft AGL.
Mixing height.......Inland, 1100-1600 ft AGL increasing to
                    3300-3800 ft AGL in the afternoon.
Transport winds.....East around 5 mph shifting to the northwest in
                    the afternoon.
Smoke dispersal.....100-380 (poor to good).
Pcpn Amount.........none to 0.03 in.


$$

MIZ040-046-162130-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
625 AM EDT Wed Sep 16 2026

.TODAY...
Sky/weather.........Partly sunny (60-70 percent). Patchy fog until
                    10 AM.
Max temperature.....Around 72.
   24 hr trend......2 degrees cooler.
Min humidity........51-56 percent.
   24 hr trend......16 percent drier.
20-foot winds.......Light winds becoming east around 6 mph in the
                    afternoon.
Mixing height.......3000-3500 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....180-250 (fair).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 9 PM, then
                    partly cloudy (50-60 percent). Slight chance of
                    rain showers after 11 PM.
Chance of pcpn......20 percent in the late evening and
overnight.
Min temperature.....46-51.
   24 hr trend......1 degree cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 6 mph.
Mixing height.......2600-3100 ft AGL decreasing to 500-1000 ft AGL
                    after midnight.
Transport winds.....East around 10 mph.
Smoke dispersal.....80-230 (poor to fair).
Pcpn Amount.........none to 0.03 in.

.THURSDAY...
Sky/weather.........Mostly sunny (45-55 percent).
Max temperature.....Around 76.
   24 hr trend......4 degrees warmer.
Min humidity........48-53 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Northeast winds up to 5 mph.
Mixing height.......1100-1600 ft AGL increasing to 3700-4200 ft AGL
                    in the afternoon.
Transport winds.....East around 5 mph shifting to the northwest in
                    the afternoon.
Smoke dispersal.....80-410 (poor to good).
Pcpn Amount.........none to 0.01 in.


$$

MIZ050-056-064-071-162130-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
625 AM EDT Wed Sep 16 2026

.TODAY...
Sky/weather.........Mostly cloudy (70-80 percent). Patchy fog until
                    10 AM. Chance of rain showers. Slight chance
                    of thunderstorms after 2 PM.
Chance of pcpn......40 percent.
Max temperature.....71-76.
   24 hr trend......4 degrees cooler.
Min humidity........62-67 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......Northeast winds 5 to 8 mph.
Mixing height.......2600-3100 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....200-240 (fair).
Pcpn Amount.........None to 0.16 in.

.TONIGHT...
Sky/weather.........Mostly cloudy (75-85 percent) until 9 PM, then
                    partly cloudy (60-70 percent). Slight chance of
                    thunderstorms until 11 PM. Chance of rain
                    showers. Slight chance of thunderstorms after 2
                    AM.
Chance of pcpn......40 percent.
Min temperature.....56-61.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds around 5 mph in the evening becoming
                    light.
Mixing height.......2000-2500 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....100-160 (poor to fair).
Pcpn Amount.........0.01-0.15 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (65-75 percent).
Max temperature.....74-79.
   24 hr trend......3 degrees warmer.
Min humidity........60-65 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Light winds becoming north around 5 mph in the
                    afternoon.
Mixing height.......Near Lake Michigan, 2200-2700 ft AGL.
Mixing height.......Inland, 1000-1500 ft AGL increasing to
                    3100-3600 ft AGL in the afternoon.
Transport winds.....Southeast around 10 mph shifting to the
                    northwest in the afternoon.
Smoke dispersal.....120-350 (poor to good).
Pcpn Amount.........none to 0.06 in.


$$

MIZ051-052-057>059-162130-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
625 AM EDT Wed Sep 16 2026

.TODAY...
Sky/weather.........Mostly cloudy (70-80 percent). Patchy fog until
                    10 AM.
Max temperature.....Around 72.
   24 hr trend......8 degrees cooler.
Min humidity........61-66 percent.
   24 hr trend......11 percent wetter.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......2500-3000 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....210-260 (fair).
Pcpn Amount.........none to 0.08 in.

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 9 PM, then
                    partly cloudy (55-65 percent). Chance of rain
                    showers. Slight chance of thunderstorms after 8
                    PM until 2 AM.
Chance of pcpn......30 percent.
Min temperature.....54-59.
   24 hr trend......1 degree cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds around 7 mph in the evening becoming
                    light.
Mixing height.......1700-2200 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....110-190 (poor to fair).
Pcpn Amount.........none to 0.10 in.

.THURSDAY...
Sky/weather.........Partly sunny (60-70 percent).
Max temperature.....Around 76.
   24 hr trend......4 degrees warmer.
Min humidity........58-63 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Light winds becoming north around 5 mph in the
                    afternoon.
Mixing height.......1000-1500 ft AGL increasing to 3100-3600 ft AGL
                    in the afternoon.
Transport winds.....East around 10 mph shifting to the northwest in
                    the afternoon.
Smoke dispersal.....120-350 (poor to good).
Pcpn Amount.........none to 0.06 in.


$$

MIZ065>067-072>074-162130-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
625 AM EDT Wed Sep 16 2026

.TODAY...
Sky/weather.........Mostly cloudy (75-85 percent). Areas of fog
                    until 10 AM. Chance of showers. Slight chance
                    of thunderstorms after 2 PM.
Chance of pcpn......40 percent.
Max temperature.....70-75.
   24 hr trend......11 degrees cooler.
Min humidity........76-81 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......Light winds becoming northeast around 6 mph in
                    the afternoon.
Mixing height.......1700-2200 ft AGL.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....140-180 (fair).
Pcpn Amount.........0.01-0.20 in.

.TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) until 9 PM, then
                    partly cloudy (50-60 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......40 percent.
Min temperature.....59-64.
   24 hr trend......2 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds around 5 mph in the evening becoming
                    light.
Mixing height.......1300-1800 ft AGL.
Transport winds.....East around 10 mph.
Smoke dispersal.....60-150 (poor to fair).
Pcpn Amount.........0.06-0.19 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (70-80 percent).
Max temperature.....Around 76.
   24 hr trend......4 degrees warmer.
Min humidity........66-71 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Light winds becoming north around 5 mph in the
                    afternoon.
Mixing height.......900-1400 ft AGL increasing to 3000-3500 ft AGL
                    in the afternoon.
Transport winds.....Southwest around 5 mph shifting to the west in
                    the afternoon.
Smoke dispersal.....120-360 (poor to good).
Pcpn Amount.........none to 0.09 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. North winds
up to 5 mph.
.FRIDAY...Partly sunny. Highs in the lower 70s. Northeast winds 5 to
9 mph.
.FRIDAY NIGHT...Mostly cloudy. Chance of showers in the evening,
then showers after midnight. Lows in the lower 50s. East winds 5 to
10 mph.
.SATURDAY...Cloudy with showers. Chance of thunderstorms. Highs in
the upper 60s. Southeast winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy. Showers likely in the evening, then
a chance of showers after midnight. Lows in the mid 50s. East winds
5 to 10 mph.
.SUNDAY...Mostly cloudy with a chance of showers. Highs in the upper
60s. Northeast winds 7 to 12 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the
lower 50s.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the upper
60s.
.MONDAY NIGHT...Partly cloudy. Chance of showers. Lows in the lower
50s.
.TUESDAY...Partly sunny. Chance of showers in the afternoon. Highs
in the lower 70s.

$$