Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
370
FNUS53 KGRR 210741
FWFGRR
Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
341 AM EDT Fri Jun 21 2024
...Continued hot/humid...
.DISCUSSION...Hot and humid conditions will continue today with
heat indices in the mid 90s. Thunderstorms are most likely east
of US-127 this afternoon. Torrential rain will accompany these storms.
Another round of showers/storms is expected Saturday afternoon and
Saturday night and a few of the storms could be strong to severe.
Heavy rainfall will be possible again.
MIZ037>039-043>045-212015-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
341 AM EDT Fri Jun 21 2024
.TODAY...
Sky/weather.........Partly sunny (45-55 percent). Patchy fog until
9 AM. Chance of showers. Chance of
thunderstorms after 11 AM.
Chance of pcpn......30 percent.
Max temperature.....83-88.
24 hr trend......4 degrees warmer.
Min humidity........66-71 percent near Lake Michigan and 55-60
percent Inland.
24 hr trend......5 percent drier near Lake Michigan and 6
percent drier Inland.
20-foot winds.......Light winds becoming west around 5 mph in the
afternoon.
Haines Index........3 or very low potential for large plume
dominated fire growth.
Mixing height.......1100-1600 ft AGL near Lake Michigan and
4400-4900 ft AGL Inland.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....230-460 (fair to good).
Pcpn Amount.........None to 0.28 in.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 2 AM, then
mostly cloudy (70-80 percent). Chance of
showers and thunderstorms.
Chance of pcpn......30 percent.
Min temperature.....61-66.
24 hr trend......2 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds.
Haines Index........3 or very low potential for large plume
dominated fire growth.
Mixing height.......400-900 ft AGL near Lake Michigan and 1700-2200
ft AGL Inland.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....70-100 (poor).
Pcpn Amount.........None to 0.13 in.
.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Showers likely
and a chance of thunderstorms.
Chance of pcpn......70 percent.
Max temperature.....81-86.
24 hr trend......6 degrees cooler.
Min humidity........71-76 percent near Lake Michigan and 61-66
percent Inland.
24 hr trend......8 percent wetter near Lake Michigan and 13
percent wetter Inland.
20-foot winds.......Southwest winds 7 to 12 mph. Gusts up to 23 mph
in the afternoon.
Haines Index........3 or very low potential for large plume
dominated fire growth.
Mixing height.......600-1100 ft AGL near Lake Michigan and
2500-3000 ft AGL Inland.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....680-690 (excellent).
Pcpn Amount.........0.12-1.04 in.
$$
MIZ040-046-212015-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
341 AM EDT Fri Jun 21 2024
.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Patchy fog until
10 AM. Chance of showers after 1 PM until 5
PM. Chance of thunderstorms after 1 PM. Showers
likely after 5 PM.
Chance of pcpn......60 percent.
Max temperature.....82-87.
24 hr trend......4 degrees warmer.
Min humidity........53-58 percent.
24 hr trend......2 percent drier.
20-foot winds.......Light winds.
Haines Index........3 or very low potential for large plume
dominated fire growth.
Mixing height.......4000-4500 ft AGL.
Transport winds.....South around 5 mph shifting to the west in the
afternoon.
Smoke dispersal.....230-350 (fair to good).
Pcpn Amount.........0.05-0.25 in.
.TONIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until 2 AM, then
mostly cloudy (75-85 percent). Chance of
showers and thunderstorms. Patchy fog after 1
AM until 5 AM.
Chance of pcpn......40 percent.
Min temperature.....63-68.
24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Southeast winds up to 5 mph.
Haines Index........3 or very low potential for large plume
dominated fire growth.
Mixing height.......800-1300 ft AGL.
Transport winds.....Southeast around 5 mph shifting to the south
overnight.
Smoke dispersal.....60-70 (poor).
Pcpn Amount.........0.01-0.22 in.
.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of
showers until 2 PM. Chance of thunderstorms.
Showers likely after 2 PM.
Chance of pcpn......70 percent.
Max temperature.....83-88.
24 hr trend......1 degree cooler.
Min humidity........51-56 percent.
24 hr trend......2 percent drier.
20-foot winds.......Southwest winds 6 to 11 mph. Gusts up to 21 mph
in the afternoon.
Haines Index........3 or very low potential for large plume
dominated fire growth.
Mixing height.......4600-5100 ft AGL.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....1180-1260 (excellent).
Pcpn Amount.........0.09-0.61 in.
$$
MIZ050-056-064-071-212015-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
341 AM EDT Fri Jun 21 2024
.TODAY...
Sky/weather.........Mostly sunny (25-35 percent). Slight chance of
showers and thunderstorms until 7 PM.
Chance of pcpn......20 percent.
Max temperature.....85-90.
24 hr trend......1 degree cooler.
Min humidity........54-59 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Light winds becoming west around 5 mph in the
afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......1200-1700 ft AGL near Lake Michigan and
4400-4900 ft AGL Inland.
Transport winds.....West 5 to 10 mph.
Smoke dispersal.....350-490 (good).
Pcpn Amount.........none to 0.03 in.
.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Min temperature.....64-69.
24 hr trend......4 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......Light winds.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......500-1000 ft AGL near Lake Michigan and
1500-2000 ft AGL Inland.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....70-100 (poor).
Pcpn Amount.........none to 0.04 in.
.SATURDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of showers
and thunderstorms.
Chance of pcpn......30 percent.
Max temperature.....88-93.
24 hr trend......2 degrees warmer.
Min humidity........44-49 percent.
24 hr trend......11 percent drier.
20-foot winds.......Southwest winds 8 to 13 mph. Gusts up to 23 mph
in the afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......3000-3500 ft AGL near Lake Michigan and
6000-6500 ft AGL Inland.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....1390-1540 (excellent).
Pcpn Amount.........None to 0.34 in.
$$
MIZ051-052-057>059-212015-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
341 AM EDT Fri Jun 21 2024
.TODAY...
Sky/weather.........Mostly sunny (40-50 percent). Chance of showers
and thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....Around 88.
24 hr trend......4 degrees warmer.
Min humidity........46-51 percent.
24 hr trend......6 percent drier.
20-foot winds.......Light winds becoming west around 6 mph in the
afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......4500-5000 ft AGL.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....260-540 (fair to good).
Pcpn Amount.........None to 0.18 in.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....69-74.
24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......South winds up to 5 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......2000-2500 ft AGL.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....70-130 (poor to fair).
Pcpn Amount.........None to 0.14 in.
.SATURDAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of showers
and thunderstorms.
Chance of pcpn......40 percent.
Max temperature.....85-90.
24 hr trend......2 degrees warmer.
Min humidity........39-44 percent.
24 hr trend......12 percent drier.
20-foot winds.......Southwest winds 9 to 14 mph. Gusts up to 25 mph
in the afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......5500-6000 ft AGL.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....1450-1470 (excellent).
Pcpn Amount.........0.02-0.26 in.
$$
MIZ065>067-072>074-212015-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
341 AM EDT Fri Jun 21 2024
.TODAY...
Sky/weather.........Mostly sunny (25-35 percent). Patchy fog until
9 AM. Chance of showers and thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....86-91.
24 hr trend......3 degrees cooler.
Min humidity........50-55 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Light winds becoming west around 5 mph in the
afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......4900-5400 ft AGL.
Transport winds.....West 5 to 10 mph.
Smoke dispersal.....380-520 (good).
Pcpn Amount.........None to 0.43 in.
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....Around 71.
24 hr trend......2 degrees warmer.
Max humidity........95-100 percent.
24 hr trend......Unchanged.
20-foot winds.......South winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......1700-2200 ft AGL.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....60-100 (poor).
Pcpn Amount.........none to 0.03 in.
.SATURDAY...
Sky/weather.........Mostly sunny (45-55 percent) until 5 PM, then
mostly cloudy (65-75 percent).
Max temperature.....89-94.
24 hr trend......2 degrees warmer.
Min humidity........42-47 percent.
24 hr trend......11 percent drier.
20-foot winds.......Southwest winds 9 to 14 mph. Gusts up to 24 mph
in the afternoon.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......5900-6400 ft AGL.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....1420-1460 (excellent).
Pcpn Amount.........none to 0.05 in.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of thunderstorms.
Showers. Lows in the mid 60s. Southwest winds 5 to 10 mph.
.SUNDAY...Partly sunny. Highs in the upper 70s. West winds 6 to
11 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.MONDAY...Sunny. Highs in the lower 80s. Northwest winds 5 to 9 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds 5 to 6 mph shifting to the south 5 to 7 mph overnight.
.TUESDAY...Partly sunny with a chance of showers and thunderstorms.
Highs in the mid 80s. Southwest winds 6 to 11 mph.
.TUESDAY NIGHT...Partly cloudy with a chance of showers. Chance of
thunderstorms. Lows in the mid 60s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Cooler. Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the upper 70s.
$$