Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI

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FNUS53 KGRR 211949
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
349 PM EDT Sat Sep 21 2024

...Rain on Sunday...

.DISCUSSION...
A cold front will bring showers and thunderstorms on Sunday with
the first widespread rain in about 3 weeks. More rain is possible
early next week.

MIZ037>039-043>045-220815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
349 PM EDT Sat Sep 21 2024

.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent) until 5 AM, then
                    mostly cloudy (75-85 percent). Chance of rain
                    showers after 2 AM. Slight chance of
                    thunderstorms after 5 AM.
Chance of pcpn......30 percent overnight.
Min temperature.....54-59.
   24 hr trend......3 degrees warmer.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds up to 5 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......500-1000 ft AGL.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....50-60 (poor).
Pcpn Amount.........None to 0.17 in.

.SUNDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely and a slight chance of thunderstorms.
Chance of pcpn......70 percent.
Max temperature.....73-78.
   24 hr trend......8 degrees cooler.
Min humidity........56-61 percent.
   24 hr trend......35 percent wetter.
20-foot winds.......South winds around 5 mph shifting to the
                    northwest around 7 mph in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......2200-2700 ft AGL.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....200-310 (fair to good).
Pcpn Amount.........0.33-1.48 in.

.SUNDAY NIGHT...
Sky/weather.........Cloudy (85-95 percent) until 2 AM, then partly
                    cloudy (60-70 percent). Chance of rain showers.
Chance of pcpn......50 percent.
Min temperature.....45-50.
   24 hr trend......12 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 6 to 11 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......1800-2300 ft AGL near Lake Michigan and
                    1200-1700 ft AGL Inland.
Transport winds.....North around 15 mph.
Smoke dispersal.....270-350 (fair to good).
Pcpn Amount.........None to 0.47 in.

.MONDAY...
Sky/weather.........Mostly sunny (45-55 percent).
Max temperature.....68-73.
   24 hr trend......5 degrees cooler.
Min humidity........51-56 percent.
   24 hr trend......16 percent drier.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......3100-3600 ft AGL near Lake Michigan and
                    4300-4800 ft AGL Inland.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....440 (good).
Pcpn Amount.........None.


$$

MIZ040-046-220815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
349 PM EDT Sat Sep 21 2024

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent) until 5 AM, then
                    mostly cloudy (70-80 percent).
Min temperature.....Around 56.
   24 hr trend......Unchanged.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......0-500 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the
                    southeast overnight.
Smoke dispersal.....30-40 (poor).
Pcpn Amount.........none to 0.01 in.

.SUNDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain
                    showers until 2 PM, then rain showers likely
                    and a slight chance of thunderstorms.
Chance of pcpn......70 percent.
Max temperature.....77-82.
   24 hr trend......8 degrees cooler.
Min humidity........49-54 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......Light winds becoming west around 6 mph in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......2700-3200 ft AGL.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....380-490 (good).
Pcpn Amount.........0.19-0.54 in.

.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy (80-90 percent) until 5 AM, then
                    partly cloudy (65-75 percent). Rain showers
                    likely until 2 AM, then a chance of rain
                    showers.
Chance of pcpn......70 percent.
Min temperature.....46-51.
   24 hr trend......5 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 9 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......900-1400 ft AGL.
Transport winds.....North around 10 mph increasing to around 20 mph
                    overnight.
Smoke dispersal.....250-260 (fair).
Pcpn Amount.........0.16-0.55 in.

.MONDAY...
Sky/weather.........Partly sunny (55-65 percent).
Max temperature.....68-73.
   24 hr trend......6 degrees cooler.
Min humidity........55-60 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4000-4500 ft AGL.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....370-410 (good).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-220815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
349 PM EDT Sat Sep 21 2024

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) until 5 AM, then
                    mostly cloudy (70-80 percent). Chance of
                    showers after 4 AM.
Chance of pcpn......30 percent overnight.
Min temperature.....59-64.
   24 hr trend......3 degrees warmer.
Max humidity........95-100 percent near Lake Michigan and 82-87
                    percent Inland.
   24 hr trend......
   24 hr trend......
20-foot winds.......Southeast winds 5 to 6 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......100-600 ft AGL.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....40-50 (poor).
Pcpn Amount.........None to 0.11 in.

.SUNDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Showers likely
                    and a slight chance of thunderstorms.
Chance of pcpn......70 percent.
Max temperature.....74-79.
   24 hr trend......10 degrees cooler.
Min humidity........60-65 percent.
   24 hr trend......34 percent wetter.
20-foot winds.......Southwest winds 5 to 9 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......1100-1600 ft AGL near Lake Michigan and
                    2000-2500 ft AGL Inland.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....350-380 (good).
Pcpn Amount.........0.29-0.83 in.

.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely until 2 AM. Chance of rain showers after
                    2 AM.
Chance of pcpn......60 percent.
Min temperature.....49-54.
   24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 9 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1100-1600 ft AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....260 (fair).
Pcpn Amount.........0.05-0.37 in.

.MONDAY...
Sky/weather.........Partly sunny (60-70 percent).
Max temperature.....70-75.
   24 hr trend......4 degrees cooler.
Min humidity........48-53 percent.
   24 hr trend......5 percent drier.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......3400-3900 ft AGL near Lake Michigan and
                    4300-4800 ft AGL Inland.
Transport winds.....North around 10 mph.
Smoke dispersal.....340-420 (good).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-220815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
349 PM EDT Sat Sep 21 2024

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....56-61.
   24 hr trend......1 degree cooler.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......100-600 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the south
                    overnight.
Smoke dispersal.....40-50 (poor).
Pcpn Amount.........none to 0.01 in.

.SUNDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    showers until 2 PM, then rain showers likely
                    and a slight chance of thunderstorms.
Chance of pcpn......70 percent.
Max temperature.....78-83.
   24 hr trend......7 degrees cooler.
Min humidity........49-54 percent.
   24 hr trend......24 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3800-4300 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....470-800 (good to excellent).
Pcpn Amount.........0.09-0.54 in.

.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely until 2 AM. Chance of rain showers after
                    2 AM.
Chance of pcpn......70 percent.
Min temperature.....50-55.
   24 hr trend......5 degrees cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds around 6 mph shifting to the
                    north around 8 mph overnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1100-1600 ft AGL.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....240-250 (fair).
Pcpn Amount.........0.10-0.51 in.

.MONDAY...
Sky/weather.........Partly sunny (60-70 percent).
Max temperature.....Around 72.
   24 hr trend......9 degrees cooler.
Min humidity........57-62 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......North 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.....North 10 to 15 mph.
Smoke dispersal.....360-410 (good).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-220815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
349 PM EDT Sat Sep 21 2024

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....57-62.
   24 hr trend......4 degrees warmer.
Max humidity........85-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......100-600 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the south
                    overnight.
Smoke dispersal.....30-50 (poor).
Pcpn Amount.........none to 0.01 in.

.SUNDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    showers until 2 PM, then rain showers likely
                    and a slight chance of thunderstorms.
Chance of pcpn......70 percent.
Max temperature.....79-84.
   24 hr trend......7 degrees cooler.
Min humidity........51-56 percent.
   24 hr trend......27 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.......3900-4400 ft AGL.
Transport winds.....South around 15 mph.
Smoke dispersal.....530-780 (good to excellent).
Pcpn Amount.........0.04-0.65 in.

.SUNDAY NIGHT...
Sky/weather.........Cloudy (90-100 percent). Rain showers until 2
                    AM. Chance of thunderstorms until 5 AM. Chance
                    of rain showers after 2 AM.
Chance of pcpn......80 percent.
Min temperature.....53-58.
   24 hr trend......2 degrees cooler.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds around 5 mph shifting to the
                    northwest around 6 mph overnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1100-1600 ft AGL.
Transport winds.....Southwest around 10 mph shifting to the north
                    overnight.
Smoke dispersal.....190-220 (fair).
Pcpn Amount.........0.12-0.46 in.

.MONDAY...
Sky/weather.........Mostly cloudy (75-85 percent).
Max temperature.....69-74.
   24 hr trend......9 degrees cooler.
Min humidity........61-66 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3500-4000 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....280-340 (fair to good).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in the
lower 50s. Northeast winds 5 to 8 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Chance of
thunderstorms in the afternoon. Highs around 70. Northeast winds
5 to 9 mph.
.TUESDAY NIGHT...Partly cloudy. Chance of showers. Lows in the lower
50s. North winds 5 to 8 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
5 to 9 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 50. Northwest winds up
to 5 mph in the evening becoming light.
.THURSDAY...Sunny. Highs in the mid 70s. North winds 5 to 9 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Mostly sunny. Highs in the mid 70s.

$$