803
FNUS53 KGRR 231939
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
339 PM EDT Thu May 23 2024

...Rain expected Friday night...

.DISCUSSION...
Humidity will be low again on Friday but start to increase by
Friday evening when showers and thunderstorms are expected. It
will be dry on Saturday then rain returns again on Sunday and
continues into Monday.

MIZ037>039-043>045-240815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
339 PM EDT Thu May 23 2024

.TONIGHT...
Sky/weather.........Clear (0-10 percent).
Min temperature.....46-51.
   24 hr trend......1 degree warmer.
Max humidity........91-96 percent.
   24 hr trend......16 percent drier.
20-foot winds.......Light winds.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......Near Lake Michigan, 200-700 ft AGL.
Mixing height.......Inland, 2000-2500 ft AGL decreasing to 0-500 ft
                    AGL overnight.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....40-160 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....77-82.
   24 hr trend......4 degrees warmer.
Min humidity........34-39 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Southeast winds 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4900-5400 ft AGL near Lake Michigan and
                    6200-6700 ft AGL Inland.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....870-1230 (excellent).
Pcpn Amount.........none to 0.04 in.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until 11 PM, then
                    mostly cloudy (80-90 percent). Chance of
                    thunderstorms until 5 AM. Rain showers.
Chance of pcpn......90 percent.
Min temperature.....51-56.
   24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......Southeast winds around 9 mph shifting to the
                    southwest around 8 mph overnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......1000-1500 ft AGL.
Transport winds.....South around 15 mph shifting to the southwest
                    overnight.
Smoke dispersal.....190-210 (fair).
Pcpn Amount.........0.23-0.62 in.

.SATURDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....67-72.
   24 hr trend......10 degrees cooler.
Min humidity........52-57 percent near Lake Michigan and 40-45
                    percent Inland.
   24 hr trend......17 percent wetter near Lake Michigan and 15
                    percent wetter Inland.
20-foot winds.......West winds 7 to 12 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......1700-2200 ft AGL near Lake Michigan and
                    3400-3900 ft AGL Inland.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....490-590 (good).
Pcpn Amount.........None.


$$

MIZ040-046-240815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
339 PM EDT Thu May 23 2024

.TONIGHT...
Sky/weather.........Clear (0-5 percent).
Min temperature.....46-51.
   24 hr trend......1 degree cooler.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds up to 5 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......1900-2400 ft AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....40-160 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....75-80.
   24 hr trend......1 degree warmer.
Min humidity........34-39 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......Light winds becoming southeast around 8 mph in
                    the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4000-4500 ft AGL increasing to 6000-6500 ft AGL
                    in the afternoon.
Transport winds.....Southeast 10 to 15 mph.
Smoke dispersal.....520-1010 (good to excellent).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 11 PM, then
                    mostly cloudy (75-85 percent). Rain showers.
                    Chance of thunderstorms after 11 PM.
Chance of pcpn......80 percent.
Min temperature.....52-57.
   24 hr trend......9 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......700-1200 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....130-160 (fair).
Pcpn Amount.........0.12-0.36 in.

.SATURDAY...
Sky/weather.........Partly sunny (50-60 percent) until 2 PM, then
                    sunny (10-20 percent).
Max temperature.....70-75.
   24 hr trend......6 degrees cooler.
Min humidity........38-43 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......West winds 7 to 12 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4100-4600 ft AGL.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....590-680 (good to excellent).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-240815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
339 PM EDT Thu May 23 2024

.TONIGHT...
Sky/weather.........Clear (0-5 percent).
Min temperature.....Around 54.
   24 hr trend......1 degree cooler.
Max humidity........81-86 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Southeast winds up to 5 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......1000-1500 ft AGL.
Transport winds.....Southeast around 5 mph.
Smoke dispersal.....50-60 (poor).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (20-30 percent). Slight chance of
                    rain showers after 2 PM. Slight chance of
                    thunderstorms after 5 PM.
Chance of pcpn......20 percent in the afternoon.
Max temperature.....80-85.
   24 hr trend......5 degrees warmer.
Min humidity........33-38 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southeast winds 6 to 11 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......5100-5600 ft AGL near Lake Michigan and
                    6000-6500 ft AGL Inland.
Transport winds.....South around 15 mph.
Smoke dispersal.....1080-1220 (excellent).
Pcpn Amount.........none to 0.06 in.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 11 PM, then
                    mostly cloudy (70-80 percent) until 5 AM, then
                    partly cloudy (60-70 percent). Rain showers and
                    a chance of thunderstorms.
Chance of pcpn......90 percent.
Min temperature.....53-58.
   24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......South winds around 8 mph shifting to the
                    southwest around 7 mph overnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......900-1400 ft AGL.
Transport winds.....South around 15 mph shifting to the west
                    overnight.
Smoke dispersal.....150-210 (fair).
Pcpn Amount.........0.32-0.68 in.

.SATURDAY...
Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....67-72.
   24 hr trend......13 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......15 percent wetter.
20-foot winds.......Northwest winds 7 to 12 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.....Northwest 10 to 15 mph.
Smoke dispersal.....390-440 (good).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-240815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
339 PM EDT Thu May 23 2024

.TONIGHT...
Sky/weather.........Clear (0-5 percent).
Min temperature.....Around 52.
   24 hr trend......1 degree cooler.
Max humidity........78-83 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Haines Index........6 or high potential for large plume dominated
                    fire growth.
Mixing height.......1200-1700 ft AGL.
Transport winds.....West around 5 mph shifting to the south
                    overnight.
Smoke dispersal.....30-70 (poor).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 80.
   24 hr trend......1 degree warmer.
Min humidity........34-39 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Southeast winds 6 to 11 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......6400-6900 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....860-1240 (excellent).
Pcpn Amount.........none to 0.05 in.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 11 PM, then
                    mostly cloudy (75-85 percent). Rain showers
                    likely and a chance of thunderstorms.
Chance of pcpn......70 percent.
Min temperature.....Around 59.
   24 hr trend......7 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 7 to 12 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......1300-1800 ft AGL.
Transport winds.....South around 15 mph.
Smoke dispersal.....150-160 (fair).
Pcpn Amount.........0.09-0.65 in.

.SATURDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....70-75.
   24 hr trend......8 degrees cooler.
Min humidity........34-39 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......West winds 9 to 14 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4300-4800 ft AGL.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....600-690 (excellent).
Pcpn Amount.........none to 0.01 in.


$$

MIZ065>067-072>074-240815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
339 PM EDT Thu May 23 2024

.TONIGHT...
Sky/weather.........Clear (0-5 percent).
Min temperature.....Around 53.
   24 hr trend......Unchanged.
Max humidity........75-80 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Light winds.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......600-1100 ft AGL.
Transport winds.....North around 5 mph shifting to the east
                    overnight.
Smoke dispersal.....40-70 (poor).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 82.
   24 hr trend......2 degrees warmer.
Min humidity........32-37 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southeast winds 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......6400-6900 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....970-1150 (excellent).
Pcpn Amount.........none to 0.05 in.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 2 AM, then
                    mostly cloudy (70-80 percent). Rain showers
                    likely and a chance of thunderstorms.
Chance of pcpn......70 percent.
Min temperature.....Around 60.
   24 hr trend......8 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......South winds 6 to 11 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......900-1400 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....150-170 (fair).
Pcpn Amount.........0.09-0.63 in.

.SATURDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....72-77.
   24 hr trend......6 degrees cooler.
Min humidity........38-43 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......West winds 8 to 13 mph. Gusts up to 21 mph in
                    the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4200-4700 ft AGL.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....620-690 (excellent).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.SATURDAY NIGHT...Partly cloudy. Lows around 50. North winds 5 to
6 mph shifting to the east up to 5 mph overnight.
.SUNDAY...Partly sunny. Chance of showers in the afternoon. Highs in
the mid 70s. East winds 6 to 11 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms.
Showers. Lows in the mid 50s. East winds 5 to 10 mph shifting to the
south overnight.
.MEMORIAL DAY...Mostly cloudy with showers likely. Highs in the
upper 60s. West winds 9 to 14 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in the
lower 50s. West winds 9 to 14 mph.
.TUESDAY...Partly sunny with a chance of showers. Highs in the upper
60s. Northwest winds 8 to 13 mph.
.TUESDAY NIGHT...Partly cloudy with a chance of showers. Lows in the
upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s.
.THURSDAY...Sunny. Highs in the lower 70s.

$$