238
FNUS53 KGRR 130733
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
333 AM EDT Mon Oct 13 2025

...Mostly Dry this Week...

.DISCUSSION...

It`ll be another foggy start today with fog reducing visibilities
largely in the 1 to 3 mile range with spots below a mile possible.
Fog this morning should lift and stratus scatter out during the late
morning.

Winds today will be light and variable initially starting from the
southeast and turning to the west by the afternoon. Winds will
continue to veer tonight to the north with northerly winds expected
through most of the week. There is a 20 to 40 percent chance for very
light rain showers Tuesday night, otherwise dry conditions continue
until Friday night. Minimum relative humidity values will be in the
40s and 50s then dropping into the 30s for Thursday. Mixing heights
will be around 3000 to 5000 feet each afternoon.


MIZ037>039-043>045-132030-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
333 AM EDT Mon Oct 13 2025

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Areas of fog
                    until 11 AM.
Max temperature.....67-72.
   24 hr trend......4 degrees warmer.
Min humidity........59-64 percent near Lake Michigan and 44-49
                    percent Inland.
   24 hr trend......9 percent wetter near Lake Michigan and 1
                    percent drier Inland.
20-foot winds.......South winds 5 to 8 mph.
Mixing height.......Near Lake Michigan, 1700-2200 ft AGL.
Mixing height.......Inland, 800-1300 ft AGL increasing to 3400-3900
                    ft AGL in the afternoon.
Transport winds.....South around 10 mph.
Smoke dispersal.....130-310 (fair to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 9 PM, then
                    mostly cloudy (65-75 percent) until 12 AM, then
                    partly cloudy (55-65 percent).
Min temperature.....43-48.
   24 hr trend......1 degree warmer.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......800-1300 ft AGL near Lake Michigan and
                    2200-2700 ft AGL Inland.
Transport winds.....West around 5 mph shifting to the north after
                    midnight.
Smoke dispersal.....80-180 (poor to fair).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....65-70.
   24 hr trend......3 degrees cooler.
Min humidity........50-55 percent near Lake Michigan and 40-45
                    percent Inland.
   24 hr trend......3 percent drier near Lake Michigan and 4
                    percent drier Inland.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......3100-3600 ft AGL.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....250-450 (fair to good).
Pcpn Amount.........None.


$$

MIZ040-046-132030-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
333 AM EDT Mon Oct 13 2025

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) until 12 PM, then
                    mostly sunny (25-35 percent). Areas of fog
                    until 12 PM.
Max temperature.....Around 70.
   24 hr trend......4 degrees warmer.
Min humidity........47-52 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Light winds becoming south around 5 mph in the
                    afternoon.
Mixing height.......700-1200 ft AGL increasing to 3800-4300 ft AGL
                    in the afternoon.
Transport winds.....South around 5 mph.
Smoke dispersal.....110-320 (poor to good).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....43-48.
   24 hr trend......5 degrees warmer.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......2400-2900 ft AGL.
Transport winds.....West around 5 mph shifting to the north after
                    midnight.
Smoke dispersal.....80-160 (poor to fair).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....64-69.
   24 hr trend......4 degrees cooler.
Min humidity........37-42 percent.
   24 hr trend......8 percent drier.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......3300-3800 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....240-480 (fair to good).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-132030-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
333 AM EDT Mon Oct 13 2025

.TODAY...
Sky/weather.........Mostly sunny (45-55 percent). Patchy fog until
                    11 AM.
Max temperature.....68-73.
   24 hr trend......6 degrees warmer.
Min humidity........42-47 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Southeast winds around 5 mph shifting to the
                    southwest in the afternoon.
Mixing height.......Near Lake Michigan, 2200-2700 ft AGL.
Mixing height.......Inland, 700-1200 ft AGL increasing to 4100-4600
                    ft AGL in the afternoon.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....80-220 (poor to fair).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent).
Min temperature.....49-54.
   24 hr trend......2 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds up to 5 mph.
Mixing height.......Near Lake Michigan, 600-1100 ft AGL.
Mixing height.......Inland, 2600-3100 ft AGL decreasing to 200-700
                    ft AGL after midnight.
Transport winds.....North around 5 mph.
Smoke dispersal.....50-110 (poor).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....67-72.
   24 hr trend......1 degree cooler.
Min humidity........42-47 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Light winds becoming north around 7 mph in the
                    afternoon.
Mixing height.......1200-1700 ft AGL increasing to 3400-3900 ft AGL
                    in the afternoon.
Transport winds.....North around 10 mph.
Smoke dispersal.....170-400 (fair to good).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-132030-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
333 AM EDT Mon Oct 13 2025

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) until 12 PM, then
                    sunny (20-30 percent). Areas of fog until 11
                    AM.
Max temperature.....Around 72.
   24 hr trend......4 degrees warmer.
Min humidity........46-51 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Light winds becoming south around 5 mph in the
                    afternoon.
Mixing height.......700-1200 ft AGL increasing to 4400-4900 ft AGL
                    in the afternoon.
Transport winds.....South around 5 mph.
Smoke dispersal.....80-260 (poor to fair).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....49-54.
   24 hr trend......2 degrees warmer.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 6 mph.
Mixing height.......2900-3400 ft AGL decreasing to 100-600 ft AGL
                    after midnight.
Transport winds.....Northwest around 5 mph.
Smoke dispersal.....40-120 (poor).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 70.
   24 hr trend......3 degrees cooler.
Min humidity........40-45 percent.
   24 hr trend......2 percent drier.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......1400-1900 ft AGL increasing to 3600-4100 ft AGL
                    in the afternoon.
Transport winds.....North around 10 mph.
Smoke dispersal.....190-420 (fair to good).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-132030-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
333 AM EDT Mon Oct 13 2025

.TODAY...
Sky/weather.........Partly sunny (60-70 percent) until 12 PM, then
                    sunny (15-25 percent). Areas of fog until 11
                    AM.
Max temperature.....Around 73.
   24 hr trend......4 degrees warmer.
Min humidity........43-48 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Southeast winds 5 to 7 mph.
Mixing height.......700-1200 ft AGL increasing to 4700-5200 ft AGL
                    in the afternoon.
Transport winds.....South around 5 mph.
Smoke dispersal.....70-240 (poor to fair).
Pcpn Amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (20-30 percent).
Min temperature.....46-51.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds up to 5 mph.
Mixing height.......3500-4000 ft AGL decreasing to 0-500 ft AGL
                    after midnight.
Transport winds.....North around 5 mph.
Smoke dispersal.....30-130 (poor to fair).
Pcpn Amount.........None.

.TUESDAY...
Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....69-74.
   24 hr trend......2 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......Light winds becoming north around 7 mph in the
                    afternoon.
Mixing height.......1100-1600 ft AGL increasing to 3700-4200 ft AGL
                    in the afternoon.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....160-450 (fair to good).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.TUESDAY NIGHT...Partly cloudy. Chance of showers after midnight.
Lows in the mid 40s. North winds 5 to 9 mph.
.WEDNESDAY...Mostly sunny. Chance of showers in the morning. Highs
in the lower 60s. Northeast winds 5 to 9 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s. Northeast
winds 5 to 6 mph in the evening becoming light.
.THURSDAY...Mostly sunny. Highs in the mid 60s. Southeast winds 5 to
6 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southeast
winds 5 to 9 mph.
.FRIDAY...Mostly cloudy. Highs in the upper 60s. South winds 6 to
11 mph.
.FRIDAY NIGHT...Partly cloudy with a chance of showers. Lows in the
mid 50s.
.SATURDAY...Mostly cloudy with a chance of showers. Highs around 70.
.SATURDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 40s.
.SUNDAY...Cooler. Partly sunny with a chance of showers. Highs
around 60.

$$