Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
821
FNUS53 KGRR 191857
FWFGRR
Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
257 PM EDT Thu Sep 19 2024
...Chance for Storms Tomorrow...
.DISCUSSION...Shower and storm chances increase Friday afternoon and
evening as a weak cold front sweeps through the area. A few storms
may become strong to severe mainly south of I-94. Additional rain
chances are possible late Sunday into Monday.
MIZ037>039-043>045-200815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
257 PM EDT Thu Sep 19 2024
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) until 5 AM, then
mostly cloudy (65-75 percent).
Min temperature.....54-59.
24 hr trend......8 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds becoming southeast around 5 mph
overnight.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......200-700 ft AGL.
Transport winds.....South around 10 mph.
Smoke dispersal.....60-70 (poor).
Pcpn Amount.........none to 0.03 in.
.FRIDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of showers
and thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....76-81.
24 hr trend......4 degrees cooler.
Min humidity........52-57 percent.
24 hr trend......30 percent wetter.
20-foot winds.......South winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......1800-2300 ft AGL near Lake Michigan and
3000-3500 ft AGL Inland.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....510-520 (good).
Pcpn Amount.........0.01-0.24 in.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....54-59.
24 hr trend......Unchanged.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......500-1000 ft AGL.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....30-40 (poor).
Pcpn Amount.........none to 0.01 in.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....80-85.
24 hr trend......3 degrees warmer.
Min humidity........54-59 percent near Lake Michigan and 43-48
percent Inland.
24 hr trend......9 percent drier near Lake Michigan and 26
percent drier Inland.
20-foot winds.......Light winds becoming west around 5 mph in the
afternoon.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......2400-2900 ft AGL near Lake Michigan and
4500-5000 ft AGL Inland.
Transport winds.....Northwest around 5 mph.
Smoke dispersal.....340-500 (good).
Pcpn Amount.........None.
$$
MIZ040-046-200815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
257 PM EDT Thu Sep 19 2024
.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Min temperature.....54-59.
24 hr trend......3 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southeast winds 5 to 7 mph.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......200-700 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....50 (poor).
Pcpn Amount.........None.
.FRIDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
showers. Chance of thunderstorms after 2 PM.
Chance of pcpn......50 percent.
Max temperature.....79-84.
24 hr trend......1 degree cooler.
Min humidity........49-54 percent.
24 hr trend......11 percent wetter.
20-foot winds.......South winds 5 to 9 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......3900-4400 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....550-620 (good to excellent).
Pcpn Amount.........0.05-0.17 in.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (50-60 percent).
Min temperature.....54-59.
24 hr trend......2 degrees warmer.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......500-1000 ft AGL.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....40-70 (poor).
Pcpn Amount.........none to 0.01 in.
.SATURDAY...
Sky/weather.........Sunny (20-30 percent).
Max temperature.....82-87.
24 hr trend......3 degrees warmer.
Min humidity........37-42 percent.
24 hr trend......11 percent drier.
20-foot winds.......Northwest winds 5 to 6 mph.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......3900-4400 ft AGL increasing to 6000-6500 ft AGL
in the afternoon.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....410-630 (good to excellent).
Pcpn Amount.........None.
$$
MIZ050-056-064-071-200815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
257 PM EDT Thu Sep 19 2024
.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Min temperature.....59-64.
24 hr trend......7 degrees warmer.
Max humidity........85-90 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds becoming southeast around 6 mph
overnight.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......100-600 ft AGL.
Transport winds.....Southeast around 5 mph increasing to south
around 15 mph overnight.
Smoke dispersal.....60-70 (poor).
Pcpn Amount.........none to 0.02 in.
.FRIDAY...
Sky/weather.........Partly sunny (55-65 percent). Chance of
showers. Chance of thunderstorms after 11 AM.
Chance of pcpn......50 percent.
Max temperature.....80-85.
24 hr trend......7 degrees cooler.
Min humidity........51-56 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......1400-1900 ft AGL near Lake Michigan and
3600-4100 ft AGL Inland.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....520-600 (good to excellent).
Pcpn Amount.........none to 0.09 in.
.FRIDAY NIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....56-61.
24 hr trend......3 degrees cooler.
Max humidity........99 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......100-600 ft AGL.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....30 (poor).
Pcpn Amount.........none to 0.05 in.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....81-86.
24 hr trend......4 degrees warmer.
Min humidity........39-44 percent.
24 hr trend......11 percent drier.
20-foot winds.......Light winds becoming west around 5 mph in the
afternoon.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......2300-2800 ft AGL near Lake Michigan and
4800-5300 ft AGL Inland.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....370-540 (good).
Pcpn Amount.........None.
$$
MIZ051-052-057>059-200815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
257 PM EDT Thu Sep 19 2024
.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Min temperature.....56-61.
24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southeast winds 5 to 8 mph.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......400-900 ft AGL.
Transport winds.....South around 10 mph.
Smoke dispersal.....60 (poor).
Pcpn Amount.........None.
.FRIDAY...
Sky/weather.........Partly sunny (65-75 percent). Chance of
showers. Chance of thunderstorms after 2 PM.
Chance of pcpn......50 percent.
Max temperature.....80-85.
24 hr trend......Unchanged.
Min humidity........46-51 percent.
24 hr trend......10 percent wetter.
20-foot winds.......South winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......4200-4700 ft AGL.
Transport winds.....South around 15 mph.
Smoke dispersal.....520-730 (good to excellent).
Pcpn Amount.........0.03-0.25 in.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....56-61.
24 hr trend......Unchanged.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......700-1200 ft AGL.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....50-60 (poor).
Pcpn Amount.........None to 0.18 in.
.SATURDAY...
Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 85.
24 hr trend......1 degree warmer.
Min humidity........37-42 percent.
24 hr trend......10 percent drier.
20-foot winds.......Light winds becoming northwest around 5 mph in
the afternoon.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......3800-4300 ft AGL increasing to 6400-6900 ft AGL
in the afternoon.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....390-740 (good to excellent).
Pcpn Amount.........None.
$$
MIZ065>067-072>074-200815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
257 PM EDT Thu Sep 19 2024
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....56-61.
24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds becoming southeast around 5 mph
overnight.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......400-900 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....60 (poor).
Pcpn Amount.........None.
.FRIDAY...
Sky/weather.........Partly sunny (55-65 percent). Chance of showers
and thunderstorms after 2 PM.
Chance of pcpn......40 percent in the afternoon.
Max temperature.....82-87.
24 hr trend......1 degree warmer.
Min humidity........43-48 percent.
24 hr trend......6 percent wetter.
20-foot winds.......South winds 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......5400-5900 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....600-680 (excellent).
Pcpn Amount.........None to 0.11 in.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Chance of
showers and thunderstorms until 2 AM.
Chance of pcpn......30 percent in the evening.
Min temperature.....Around 60.
24 hr trend......Unchanged.
Max humidity........100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......500-1000 ft AGL.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....40 (poor).
Pcpn Amount.........0.01-0.13 in.
.SATURDAY...
Sky/weather.........Sunny (20-30 percent).
Max temperature.....82-87.
24 hr trend......Unchanged.
Min humidity........37-42 percent.
24 hr trend......6 percent drier.
20-foot winds.......Light winds becoming northwest around 5 mph in
the afternoon.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......3500-4000 ft AGL increasing to 5500-6000 ft AGL
in the afternoon.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....460-750 (good to excellent).
Pcpn Amount.........None.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. Light winds.
.SUNDAY...Mostly cloudy. Slight chance of showers until midday, then
a chance of showers in the afternoon. Highs in the lower 80s. South
winds 5 to 7 mph shifting to the southwest in the afternoon.
.SUNDAY NIGHT...Cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s. Northwest winds 5 to 7 mph
shifting to the east overnight.
.MONDAY...Mostly cloudy with a chance of showers. Chance of
thunderstorms. Highs in the lower 70s. Southeast winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Chance of
thunderstorms. Lows in the mid 50s. Southeast winds 5 to 9 mph.
.TUESDAY...Partly sunny. Chance of showers. Highs around 70.
Southwest winds 5 to 9 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
$$