Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
861
FNUS53 KGRR 061936
FWFGRR
Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
336 PM EDT Mon Oct 6 2025
...Showers and Isolated Storms Tonight...
.DISCUSSION...
A few showers and and storms are possible through the
afternoon before rain becomes more widespread tonight as a
cold front arrives. Widespread rainfall totals of up to one
half inch are expected with locally higher amounts possible.
Expect MinRH values in the upper 30s to mid 40s across
Central Michigan Tuesday where post frontal clearing will
occur earlier, and in the 50s and 60s across Southern Michigan
who will see clouds longer.
MIZ037>039-043>045-070815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
336 PM EDT Mon Oct 6 2025
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Rain showers and a
slight chance of thunderstorms.
Chance of pcpn......80 percent.
Min temperature.....45-50.
24 hr trend......16 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......1600-2100 ft AGL near Lake Michigan and
2600-3100 ft AGL Inland.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....180-550 (fair to good).
Pcpn Amount.........0.12-0.62 in.
.TUESDAY...
Sky/weather.........Mostly cloudy (70-80 percent) until 12 PM, then
sunny (10-20 percent). Chance of rain showers
until 11 AM.
Chance of pcpn......30 percent in the morning.
Max temperature.....63-68.
24 hr trend......13 degrees cooler.
Min humidity........43-48 percent near Lake Michigan and 34-39
percent Inland.
24 hr trend......28 percent drier near Lake Michigan and 23
percent drier Inland.
20-foot winds.......North winds 5 to 10 mph.
Mixing height.......4600-5100 ft AGL.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....430-850 (good to excellent).
Pcpn Amount.........None to 0.11 in.
.TUESDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent). Areas of frost
after 5 AM.
Min temperature.....31-36.
24 hr trend......14 degrees cooler.
Max humidity........81-86 percent near Lake Michigan and 91-96
percent Inland.
24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 8 mph.
Mixing height.......Near Lake Michigan, 3700-4200 ft AGL.
Mixing height.......Inland, 3900-4400 ft AGL decreasing to 200-700
ft AGL after midnight.
Transport winds.....North around 10 mph.
Smoke dispersal.....150-700 (fair to excellent).
Pcpn Amount.........None.
.WEDNESDAY...
Sky/weather.........Sunny (5-15 percent). Areas of frost until 9
AM.
Max temperature.....59-64.
24 hr trend......6 degrees cooler.
Min humidity........29-34 percent.
24 hr trend......5 percent drier.
20-foot winds.......Light winds becoming north around 6 mph in the
afternoon.
Mixing height.......5300-5800 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....510-570 (good).
Pcpn Amount.........None.
$$
MIZ040-046-070815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
336 PM EDT Mon Oct 6 2025
.TONIGHT...
Sky/weather.........Partly cloudy (65-75 percent) until 9 PM, then
cloudy (90-100 percent). Rain showers and a
chance of thunderstorms.
Chance of pcpn......90 percent.
Min temperature.....43-48.
24 hr trend......11 degrees cooler.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 9 mph.
Mixing height.......4000-4500 ft AGL decreasing to 900-1400 ft AGL
after midnight.
Transport winds.....West around 10 mph shifting to the north after
midnight.
Smoke dispersal.....960 (excellent) decreasing to 190 (fair) after
midnight.
Pcpn Amount.........0.27-0.59 in.
.TUESDAY...
Sky/weather.........Mostly cloudy (80-90 percent) until 12 PM, then
mostly sunny (25-35 percent). Chance of rain
showers until 11 AM.
Chance of pcpn......40 percent in the morning.
Max temperature.....Around 66.
24 hr trend......15 degrees cooler.
Min humidity........35-40 percent.
24 hr trend......10 percent drier.
20-foot winds.......North winds 5 to 10 mph.
Mixing height.......1800-2300 ft AGL increasing to 4800-5300 ft AGL
in the afternoon.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....240 (fair) increasing to 910 (excellent) in the
afternoon.
Pcpn Amount.........0.03-0.12 in.
.TUESDAY NIGHT...
Sky/weather.........Mostly clear (0-10 percent). Areas of frost
after 5 AM.
Min temperature.....31-36.
24 hr trend......14 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 8 mph.
Mixing height.......3800-4300 ft AGL decreasing to 200-700 ft AGL
after midnight.
Transport winds.....North around 10 mph.
Smoke dispersal.....680 (excellent) decreasing to 80 (poor) after
midnight.
Pcpn Amount.........None.
.WEDNESDAY...
Sky/weather.........Sunny (0-10 percent). Areas of frost until 9
AM.
Max temperature.....Around 60.
24 hr trend......6 degrees cooler.
Min humidity........29-34 percent.
24 hr trend......8 percent drier.
20-foot winds.......North winds 5 to 8 mph.
Mixing height.......3400-3900 ft AGL increasing to 5400-5900 ft AGL
in the afternoon.
Transport winds.....North around 10 mph.
Smoke dispersal.....560-630 (good to excellent).
Pcpn Amount.........None.
$$
MIZ050-056-064-071-070815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
336 PM EDT Mon Oct 6 2025
.TONIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until 9 PM, then
cloudy (85-95 percent). Chance of rain showers
until 9 PM. Chance of thunderstorms. Rain
showers after 9 PM.
Chance of pcpn......90 percent.
Min temperature.....51-56.
24 hr trend......10 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 8 mph.
Mixing height.......Near Lake Michigan, 1300-1800 ft AGL.
Mixing height.......Inland, 3400-3900 ft AGL decreasing to 900-1400
ft AGL after midnight.
Transport winds.....West around 10 mph.
Smoke dispersal.....190-560 (fair to good).
Pcpn Amount.........0.21-0.75 in.
.TUESDAY...
Sky/weather.........Mostly cloudy (80-90 percent) until 3 PM, then
mostly sunny (40-50 percent). Rain showers
likely until 7 AM. Slight chance of
thunderstorms until 8 AM. Chance of rain
showers after 7 AM until 2 PM.
Chance of pcpn......60 percent until late afternoon.
Max temperature.....64-69.
24 hr trend......15 degrees cooler.
Min humidity........37-42 percent.
24 hr trend......2 percent wetter.
20-foot winds.......North winds 6 to 11 mph.
Mixing height.......2000-2500 ft AGL increasing to 4200-4700 ft AGL
in the afternoon.
Transport winds.....North around 15 mph.
Smoke dispersal.....300-750 (good to excellent).
Pcpn Amount.........0.04-0.25 in.
.TUESDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....38-43.
24 hr trend......14 degrees cooler.
Max humidity........87-92 percent.
24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......3000-3500 ft AGL decreasing to 1000-1500 ft AGL
after midnight.
Transport winds.....North around 10 mph.
Smoke dispersal.....90-600 (poor to excellent).
Pcpn Amount.........None.
.WEDNESDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 62.
24 hr trend......3 degrees cooler.
Min humidity........32-37 percent.
24 hr trend......20 percent drier.
20-foot winds.......Northeast winds 5 to 9 mph.
Mixing height.......3100-3600 ft AGL increasing to 5100-5600 ft AGL
in the afternoon.
Transport winds.....Northeast around 10 mph.
Smoke dispersal.....470-570 (good).
Pcpn Amount.........None.
$$
MIZ051-052-057>059-070815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
336 PM EDT Mon Oct 6 2025
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 9 PM, then
cloudy (85-95 percent). Chance of rain showers
until 9 PM. Chance of thunderstorms after 8 PM.
Rain showers after 9 PM.
Chance of pcpn......90 percent.
Min temperature.....51-56.
24 hr trend......10 degrees cooler.
Max humidity........99 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 9 mph.
Mixing height.......4100-4600 ft AGL decreasing to 1000-1500 ft AGL
after midnight.
Transport winds.....West around 10 mph.
Smoke dispersal.....830 (excellent) decreasing to 180 (fair) after
midnight.
Pcpn Amount.........0.24-0.57 in.
.TUESDAY...
Sky/weather.........Mostly cloudy (80-90 percent) until 3 PM, then
mostly sunny (40-50 percent). Rain showers
likely and a slight chance of thunderstorms
until 8 AM, then a chance of rain showers until
2 PM.
Chance of pcpn......60 percent until late afternoon.
Max temperature.....Around 66.
24 hr trend......18 degrees cooler.
Min humidity........41-46 percent.
24 hr trend......7 percent wetter.
20-foot winds.......North winds 6 to 11 mph.
Mixing height.......1600-2100 ft AGL increasing to 4400-4900 ft AGL
in the afternoon.
Transport winds.....North around 15 mph.
Smoke dispersal.....260-750 (fair to excellent).
Pcpn Amount.........0.07-0.23 in.
.TUESDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....35-40.
24 hr trend......16 degrees cooler.
Max humidity........91-96 percent.
24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 9 mph.
Mixing height.......3500-4000 ft AGL decreasing to 100-600 ft AGL
after midnight.
Transport winds.....North around 10 mph.
Smoke dispersal.....70-530 (poor to good).
Pcpn Amount.........None.
.WEDNESDAY...
Sky/weather.........Sunny (0-10 percent). Patchy frost after 7 AM
until 9 AM.
Max temperature.....Around 62.
24 hr trend......6 degrees cooler.
Min humidity........31-36 percent.
24 hr trend......20 percent drier.
20-foot winds.......North winds 5 to 10 mph.
Mixing height.......3200-3700 ft AGL increasing to 5200-5700 ft AGL
in the afternoon.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....560-620 (good to excellent).
Pcpn Amount.........None.
$$
MIZ065>067-072>074-070815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
336 PM EDT Mon Oct 6 2025
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 9 PM, then
mostly cloudy (80-90 percent). Chance of
showers until 10 PM. Chance of thunderstorms.
Showers after 10 PM.
Chance of pcpn......90 percent.
Min temperature.....52-57.
24 hr trend......7 degrees cooler.
Max humidity........99 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 10 mph.
Mixing height.......4800-5300 ft AGL decreasing to 900-1400 ft AGL
after midnight.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....840 (excellent) decreasing to 180 (fair) after
midnight.
Pcpn Amount.........0.10-0.57 in.
.TUESDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
likely and a chance of thunderstorms until 11
AM, then a chance of rain showers until 5 PM.
Chance of pcpn......60 percent.
Max temperature.....64-69.
24 hr trend......19 degrees cooler.
Min humidity........54-59 percent.
24 hr trend......13 percent wetter.
20-foot winds.......North winds 7 to 12 mph.
Mixing height.......1300-1800 ft AGL increasing to 3400-3900 ft AGL
in the afternoon.
Transport winds.....North around 15 mph.
Smoke dispersal.....260-460 (fair to good).
Pcpn Amount.........0.11-0.34 in.
.TUESDAY NIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....36-41.
24 hr trend......15 degrees cooler.
Max humidity........91-96 percent.
24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 8 mph.
Mixing height.......2400-2900 ft AGL decreasing to 100-600 ft AGL
after midnight.
Transport winds.....North around 10 mph.
Smoke dispersal.....70-290 (poor to fair).
Pcpn Amount.........None.
.WEDNESDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 61.
24 hr trend......5 degrees cooler.
Min humidity........33-38 percent.
24 hr trend......26 percent drier.
20-foot winds.......North winds 5 to 10 mph.
Mixing height.......2600-3100 ft AGL increasing to 4800-5300 ft AGL
in the afternoon.
Transport winds.....North around 15 mph.
Smoke dispersal.....490-660 (good to excellent).
Pcpn Amount.........None.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Clear. Areas of frost after midnight. Lows in the
lower 30s. Northeast winds 5 to 6 mph in the evening becoming light.
.THURSDAY...Sunny. Areas of frost in the morning. Highs in the lower
60s. Southeast winds 5 to 9 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s. Southeast winds
5 to 9 mph.
.FRIDAY...Mostly sunny. Highs in the mid 60s. South winds 5 to
9 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. South winds
5 to 6 mph in the evening becoming light.
.SATURDAY...Mostly sunny. Highs in the upper 60s. East winds 5 to
9 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SUNDAY...Sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.COLUMBUS DAY...Mostly sunny. Highs in the lower 70s.
$$