Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
093
FNUS53 KGRR 181949
FWFGRR
Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
349 PM EDT Fri Apr 18 2025
...Showers and storms tonight; another round Sunday/Monday...
.DISCUSSION...
A cold front brings a round of showers and storms tonight then a
low pressure system tracking through Wisconsin brings another
round of rain and breezy conditions Sunday into Monday. Inbetween,
Saturday looks like a predominantly dry day.
MIZ037>039-043>045-190830-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
349 PM EDT Fri Apr 18 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers and
thunderstorms likely until 2 AM, then a slight
chance of rain showers.
Chance of pcpn......70 percent.
Min temperature.....37-42.
24 hr trend......9 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds around 9 mph shifting to the
northwest around 8 mph overnight.
Mixing height.......1600-2100 ft AGL.
Transport winds.....Southwest around 15 mph shifting to the
northwest overnight.
Smoke dispersal.....190-350 (fair to good).
Pcpn Amount.........0.08-0.36 in.
.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent) until 2 PM, then
mostly sunny (40-50 percent).
Max temperature.....51-56.
24 hr trend......14 degrees cooler.
Min humidity........56-61 percent near Lake Michigan and 44-49
percent Inland.
24 hr trend......17 percent drier near Lake Michigan and 1
percent drier Inland.
20-foot winds.......Northwest winds 5 to 10 mph.
Mixing height.......3000-3500 ft AGL near Lake Michigan and
4000-4500 ft AGL Inland.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....630-870 (excellent).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....26-31.
24 hr trend......6 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds.
Mixing height.......200-700 ft AGL near Lake Michigan and 1500-2000
ft AGL Inland.
Transport winds.....North around 10 mph shifting to the northeast
overnight.
Smoke dispersal.....70-260 (poor to fair).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Partly sunny (55-65 percent).
Max temperature.....53-58.
24 hr trend......1 degree warmer.
Min humidity........39-44 percent near Lake Michigan and 31-36
percent Inland.
24 hr trend......12 percent drier near Lake Michigan and 9
percent drier Inland.
20-foot winds.......East winds 5 to 10 mph.
Mixing height.......4100-4600 ft AGL.
Transport winds.....East 10 to 15 mph.
Smoke dispersal.....550-620 (good to excellent).
Pcpn Amount.........none to 0.01 in.
$$
MIZ040-046-190830-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
349 PM EDT Fri Apr 18 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
likely and a chance of thunderstorms until 2
AM, then a slight chance of rain showers.
Chance of pcpn......70 percent.
Min temperature.....37-42.
24 hr trend......6 degrees cooler.
Max humidity........92-97 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 7 to 12 mph. Gusts up to 21 mph in
the evening.
Mixing height.......1500-2000 ft AGL.
Transport winds.....Southwest around 15 mph shifting to the
northwest overnight.
Smoke dispersal.....180-360 (fair to good).
Pcpn Amount.........0.17-0.32 in.
.SATURDAY...
Sky/weather.........Partly sunny (65-75 percent).
Max temperature.....51-56.
24 hr trend......15 degrees cooler.
Min humidity........43-48 percent.
24 hr trend......22 percent drier.
20-foot winds.......Northwest winds 7 to 12 mph.
Mixing height.......4400-4900 ft AGL.
Transport winds.....Northwest around 20 mph.
Smoke dispersal.....670-920 (excellent).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....25-30.
24 hr trend......11 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 6 mph.
Mixing height.......2500-3000 ft AGL decreasing to 300-800 ft AGL
overnight.
Transport winds.....North around 10 mph.
Smoke dispersal.....70-320 (poor to good).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Mostly sunny (40-50 percent) until 5 PM, then
mostly cloudy (70-80 percent).
Max temperature.....Around 54.
24 hr trend......2 degrees cooler.
Min humidity........31-36 percent.
24 hr trend......5 percent drier.
20-foot winds.......East winds 5 to 10 mph.
Mixing height.......3400-3900 ft AGL.
Transport winds.....East 10 to 15 mph.
Smoke dispersal.....490-530 (good).
Pcpn Amount.........none to 0.01 in.
$$
MIZ050-056-064-071-190830-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
349 PM EDT Fri Apr 18 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
likely and a chance of thunderstorms.
Chance of pcpn......70 percent.
Min temperature.....39-44.
24 hr trend......13 degrees cooler.
Max humidity........91-96 percent.
24 hr trend......38 percent wetter.
20-foot winds.......Southwest winds around 11 mph and gusty
shifting to the northwest around 8 mph
overnight.
Mixing height.......1300-1800 ft AGL.
Transport winds.....Southwest around 20 mph shifting to the
northwest overnight.
Smoke dispersal.....190-300 (fair to good).
Pcpn Amount.........0.17-0.59 in.
.SATURDAY...
Sky/weather.........Mostly cloudy (70-80 percent).
Max temperature.....51-56.
24 hr trend......22 degrees cooler.
Min humidity........50-55 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Northwest winds 5 to 10 mph.
Mixing height.......3800-4300 ft AGL.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....520-750 (good to excellent).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (55-65 percent).
Min temperature.....34-39.
24 hr trend......6 degrees cooler.
Max humidity........80-85 percent.
24 hr trend......14 percent drier.
20-foot winds.......Light winds becoming northeast around 5 mph
overnight.
Mixing height.......400-900 ft AGL near Lake Michigan and 1300-1800
ft AGL Inland.
Transport winds.....North around 10 mph shifting to the east
overnight.
Smoke dispersal.....110-120 (poor).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of rain
showers.
Chance of pcpn......40 percent.
Max temperature.....52-57.
24 hr trend......2 degrees warmer.
Min humidity........40-45 percent.
24 hr trend......6 percent drier.
20-foot winds.......East winds 7 to 12 mph. Gusts up to 21 mph in
the afternoon.
Mixing height.......3200-3700 ft AGL.
Transport winds.....East around 20 mph.
Smoke dispersal.....640 (excellent).
Pcpn Amount.........none to 0.04 in.
$$
MIZ051-052-057>059-190830-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
349 PM EDT Fri Apr 18 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (75-85 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......11 degrees cooler.
Max humidity........92-97 percent.
24 hr trend......36 percent wetter.
20-foot winds.......West winds 11 to 16 mph with gusts to around 26
mph.
Mixing height.......1300-1800 ft AGL.
Transport winds.....West around 20 mph.
Smoke dispersal.....310-320 (good).
Pcpn Amount.........0.16-0.36 in.
.SATURDAY...
Sky/weather.........Mostly cloudy (70-80 percent).
Max temperature.....54-59.
24 hr trend......21 degrees cooler.
Min humidity........43-48 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Northwest winds 8 to 13 mph.
Mixing height.......4100-4600 ft AGL.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....590-870 (good to excellent).
Pcpn Amount.........None.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent).
Min temperature.....32-37.
24 hr trend......9 degrees cooler.
Max humidity........83-88 percent.
24 hr trend......Unchanged.
20-foot winds.......North winds around 6 mph shifting to the
northeast overnight.
Mixing height.......1500-2000 ft AGL.
Transport winds.....North around 10 mph shifting to the northeast
overnight.
Smoke dispersal.....90-210 (poor to fair).
Pcpn Amount.........None.
.SUNDAY...
Sky/weather.........Partly sunny (55-65 percent). Chance of rain
showers after 2 PM.
Chance of pcpn......30 percent in the afternoon.
Max temperature.....Around 56.
24 hr trend......1 degree cooler.
Min humidity........39-44 percent.
24 hr trend......8 percent drier.
20-foot winds.......East winds 8 to 13 mph.
Mixing height.......3400-3900 ft AGL.
Transport winds.....East around 15 mph.
Smoke dispersal.....600-610 (excellent).
Pcpn Amount.........none to 0.02 in.
$$
MIZ065>067-072>074-190830-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
349 PM EDT Fri Apr 18 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
likely and a chance of thunderstorms.
Chance of pcpn......70 percent.
Min temperature.....45-50.
24 hr trend......4 degrees cooler.
Max humidity........95-100 percent.
24 hr trend......44 percent wetter.
20-foot winds.......Southwest winds 11 to 16 mph with gusts to
around 27 mph.
Mixing height.......1000-1500 ft AGL.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....340-350 (good).
Pcpn Amount.........0.07-0.40 in.
.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent).
Max temperature.....57-62.
24 hr trend......19 degrees cooler.
Min humidity........47-52 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Northwest winds 8 to 13 mph.
Mixing height.......3500-4000 ft AGL.
Transport winds.....West around 15 mph.
Smoke dispersal.....510-720 (good to excellent).
Pcpn Amount.........none to 0.01 in.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) until 11 PM, then
partly cloudy (50-60 percent).
Min temperature.....36-41.
24 hr trend......14 degrees cooler.
Max humidity........80-85 percent.
24 hr trend......14 percent drier.
20-foot winds.......North winds around 5 mph shifting to the
northeast around 6 mph overnight.
Mixing height.......2100-2600 ft AGL.
Transport winds.....North around 10 mph shifting to the northeast
overnight.
Smoke dispersal.....130-280 (fair).
Pcpn Amount.........none to 0.01 in.
.SUNDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of rain
showers.
Chance of pcpn......30 percent.
Max temperature.....Around 55.
24 hr trend......4 degrees cooler.
Min humidity........41-46 percent.
24 hr trend......5 percent drier.
20-foot winds.......East winds 8 to 13 mph.
Mixing height.......3000-3500 ft AGL.
Transport winds.....East 15 to 20 mph.
Smoke dispersal.....560-580 (good).
Pcpn Amount.........none to 0.04 in.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms.
Chance of showers in the evening, then showers overnight. Lows in
the mid 40s. Southeast winds 6 to 11 mph.
.MONDAY...Mostly cloudy with a slight chance of thunderstorms.
Showers until midday, then a chance of showers in the afternoon.
Highs in the mid 60s. Southwest winds 10 to 15 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds
8 to 13 mph.
.TUESDAY...Mostly sunny. Highs around 60. West winds 6 to 11 mph.
.TUESDAY NIGHT...Partly cloudy. Chance of showers overnight. Lows in
the mid 40s. Southeast winds 5 to 9 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s. Southwest winds
5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Partly cloudy. Chance of showers overnight. Lows
in the upper 40s.
.FRIDAY...Partly sunny with a chance of showers. Highs in the upper
60s.
$$