944
FNUS53 KGRR 200759
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
359 AM EDT Fri Sep 20 2024

...Showers/Storms Today...

.DISCUSSION...Showers and thunderstorms will develop today as
a cold front moves through the region. A few of the storms could
be strong to severe this afternoon. Rainfall amounts of a quarter
to third of an inch are possible along/west of US-131 today.


MIZ037>039-043>045-202015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
359 AM EDT Fri Sep 20 2024

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Rain showers and
                    a chance of thunderstorms.
Chance of pcpn......80 percent.
Max temperature.....77-82.
   24 hr trend......6 degrees cooler.
Min humidity........49-54 percent.
   24 hr trend......27 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.......1500-2000 ft AGL near Lake Michigan and
                    3200-3700 ft AGL Inland.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....590-680 (good to excellent).
Pcpn Amount.........0.03-0.50 in.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent) until 5 AM, then
                    mostly cloudy (65-75 percent).
Min temperature.....54-59.
   24 hr trend......2 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds up to 5 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......800-1300 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the west
                    overnight.
Smoke dispersal.....50 (poor).
Pcpn Amount.........None.

.SATURDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....75-80 near Lake Michigan and around 83 Inland.
   24 hr trend......3 degrees warmer near Lake Michigan and 4
                    degrees warmer Inland.
Min humidity........48-53 percent near Lake Michigan and 38-43
                    percent Inland.
   24 hr trend......14 percent drier near Lake Michigan and 21
                    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.......1900-2400 ft AGL near Lake Michigan and
                    3500-4000 ft AGL Inland.
Transport winds.....Northwest around 5 mph.
Smoke dispersal.....380-480 (good).
Pcpn Amount.........None.


$$

MIZ040-046-202015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
359 AM EDT Fri Sep 20 2024

.TODAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of rain
                    showers until 2 PM. Chance of thunderstorms.
                    Rain showers after 2 PM.
Chance of pcpn......80 percent.
Max temperature.....80-85.
   24 hr trend......Unchanged.
Min humidity........47-52 percent.
   24 hr trend......17 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.......5100-5600 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....580-790 (good to excellent).
Pcpn Amount.........0.03-0.13 in.

.TONIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 5 AM, then
                    mostly cloudy (65-75 percent).
Min temperature.....53-58.
   24 hr trend......2 degrees warmer.
Max humidity........100 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds up to 5 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......700-1200 ft AGL.
Transport winds.....West around 5 mph.
Smoke dispersal.....40-60 (poor).
Pcpn Amount.........none to 0.02 in.

.SATURDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....82-87.
   24 hr trend......2 degrees warmer.
Min humidity........35-40 percent.
   24 hr trend......18 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.......5100-5600 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....390-640 (good to excellent).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-202015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
359 AM EDT Fri Sep 20 2024

.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Chance of rain
                    showers until 2 PM. Chance of thunderstorms.
                    Rain showers likely after 2 PM.
Chance of pcpn......60 percent.
Max temperature.....81-86.
   24 hr trend......2 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......12 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.......2000-2500 ft AGL near Lake Michigan and
                    4800-5300 ft AGL Inland.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....720-910 (excellent).
Pcpn Amount.........0.07-0.47 in.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....59-64.
   24 hr trend......Unchanged.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest 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.....Southwest around 5 mph shifting to the west
                    overnight.
Smoke dispersal.....50 (poor).
Pcpn Amount.........none to 0.01 in.

.SATURDAY...
Sky/weather.........Partly sunny (50-60 percent) until 11 AM, then
                    sunny (10-20 percent).
Max temperature.....82-87.
   24 hr trend......Unchanged.
Min humidity........36-41 percent.
   24 hr trend......5 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.......1300-1800 ft AGL near Lake Michigan and
                    4000-4500 ft AGL Inland.
Transport winds.....Northwest around 5 mph.
Smoke dispersal.....260-400 (fair to good).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-202015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
359 AM EDT Fri Sep 20 2024

.TODAY...
Sky/weather.........Partly sunny (55-65 percent). Chance of rain
                    showers until 2 PM. Chance of thunderstorms.
                    Rain showers likely after 2 PM.
Chance of pcpn......70 percent.
Max temperature.....81-86.
   24 hr trend......2 degrees warmer.
Min humidity........43-48 percent.
   24 hr trend......6 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.......5800-6300 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....690-930 (excellent).
Pcpn Amount.........0.01-0.24 in.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 5 AM, then
                    mostly cloudy (70-80 percent).
Min temperature.....56-61.
   24 hr trend......Unchanged.
Max humidity........100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds up to 5 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......800-1300 ft AGL.
Transport winds.....West around 5 mph.
Smoke dispersal.....40-50 (poor).
Pcpn Amount.........none to 0.02 in.

.SATURDAY...
Sky/weather.........Partly sunny (55-65 percent) until 11 AM, then
                    sunny (5-15 percent).
Max temperature.....Around 85.
   24 hr trend......Unchanged.
Min humidity........35-40 percent.
   24 hr trend......8 percent drier.
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.......2800-3300 ft AGL increasing to 5000-5500 ft AGL
                    in the afternoon.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....330-650 (good to excellent).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-202015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
359 AM EDT Fri Sep 20 2024

.TODAY...
Sky/weather.........Mostly sunny (45-55 percent). Chance of rain
                    showers after 1 PM. Chance of thunderstorms
                    after 2 PM.
Chance of pcpn......50 percent.
Max temperature.....83-88.
   24 hr trend......4 degrees warmer.
Min humidity........40-45 percent.
   24 hr trend......2 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.......5800-6300 ft AGL.
Transport winds.....South around 10 mph.
Smoke dispersal.....730-970 (excellent).
Pcpn Amount.........None to 0.78 in.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 5 AM, then
                    mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms until 10 PM.
Chance of pcpn......30 percent in the evening.
Min temperature.....Around 60.
   24 hr trend......1 degree warmer.
Max humidity........99 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds up to 5 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......900-1400 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the west
                    overnight.
Smoke dispersal.....60-110 (poor).
Pcpn Amount.........none to 0.05 in.

.SATURDAY...
Sky/weather.........Partly sunny (50-60 percent) until 11 AM, then
                    sunny (5-15 percent).
Max temperature.....84-89.
   24 hr trend......1 degree cooler.
Min humidity........34-39 percent.
   24 hr trend......9 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.......4500-5000 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....350-650 (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 with a chance of showers and thunderstorms.
Highs in the upper 70s. Southwest winds 5 to 9 mph.
.SUNDAY NIGHT...Cloudy with showers and a chance of thunderstorms.
Lows in the mid 50s. North winds 5 to 9 mph.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the lower
70s. North winds 5 to 9 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the
mid 50s. Northeast winds 5 to 9 mph.
.TUESDAY...Partly sunny. Chance of showers. Highs in the lower 70s.
Northeast winds 5 to 8 mph shifting to the northwest in the
afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 50.
.THURSDAY...Sunny. Highs in the lower 70s.

$$