Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
924 FNUS53 KGRR 201940 FWFGRR Fire Weather Planning Forecast for Southwest Lower Michigan National Weather Service Grand Rapids MI 340 PM EDT Fri Sep 20 2024 ...A chance for showers and storms this evening... .DISCUSSION... A cold front moving into Western Lower Michigan this evening will touch off some showers and thunderstorms. Widespread rain is not expect, but locally heavy downpours are possible. The showers and storms will move off to the east late tonight. Saturday will be dry as will most of Saturday night. Rain returns for Sunday. A trend toward a wetter pattern has emerged. MIZ037>039-043>045-210815- Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 340 PM EDT Fri Sep 20 2024 .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent). Min temperature.....54-59. 24 hr trend......5 degrees cooler. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 5 to 6 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......300-800 ft AGL. Transport winds.....West around 5 mph. Smoke dispersal.....40 (poor). Pcpn Amount.........None. .SATURDAY... Sky/weather.........Sunny (20-30 percent). Max temperature.....83-88. 24 hr trend......2 degrees warmer. Min humidity........47-52 percent near Lake Michigan and 34-39 percent Inland. 24 hr trend......12 percent drier near Lake Michigan and 16 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.......1700-2200 ft AGL near Lake Michigan and 3700-4200 ft AGL Inland. Transport winds.....West around 5 mph. Smoke dispersal.....280-390 (fair to good). Pcpn Amount.........None. .SATURDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent). Min temperature.....55-60. 24 hr trend......2 degrees warmer. Max humidity........92-97 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.......100-600 ft AGL. Transport winds.....South around 10 mph. Smoke dispersal.....50-60 (poor). Pcpn Amount.........none to 0.06 in. .SUNDAY... Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain showers until 2 PM. Chance of thunderstorms. Rain showers likely after 2 PM. Chance of pcpn......70 percent. Max temperature.....74-79. 24 hr trend......7 degrees cooler. Min humidity........60-65 percent. 24 hr trend......37 percent wetter. 20-foot winds.......South winds around 5 mph shifting to the northwest around 6 mph in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......2300-2800 ft AGL. Transport winds.....Southwest around 10 mph shifting to the northwest in the afternoon. Smoke dispersal.....240-300 (fair to good). Pcpn Amount.........0.64-1.01 in. $$ MIZ040-046-210815- Clare-Isabella- Including the cities of Clare and Mount Pleasant 340 PM EDT Fri Sep 20 2024 .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent). Min temperature.....Around 56. 24 hr trend......Unchanged. Max humidity........98 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.......300-800 ft AGL. Transport winds.....West around 5 mph. Smoke dispersal.....40 (poor). Pcpn Amount.........none to 0.02 in. .SATURDAY... Sky/weather.........Mostly sunny (20-30 percent). Max temperature.....81-86. 24 hr trend......1 degree cooler. Min humidity........34-39 percent. 24 hr trend......15 percent drier. 20-foot winds.......Light winds becoming northwest around 5 mph in the afternoon. Haines Index........6 or high potential for large plume dominated fire growth. Mixing height.......4700-5200 ft AGL. Transport winds.....Northwest 5 to 10 mph. Smoke dispersal.....310-510 (good). Pcpn Amount.........None. .SATURDAY NIGHT... Sky/weather.........Partly cloudy (35-45 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........6 or high potential for large plume dominated fire growth. Mixing height.......0-500 ft AGL. Transport winds.....South 5 to 10 mph. Smoke dispersal.....30-40 (poor). Pcpn Amount.........None. .SUNDAY... Sky/weather.........Partly sunny (65-75 percent) until 2 PM, then cloudy (85-95 percent). Chance of showers and thunderstorms. Chance of pcpn......50 percent. Max temperature.....77-82. 24 hr trend......4 degrees cooler. Min humidity........56-61 percent. 24 hr trend......27 percent wetter. 20-foot winds.......Light winds becoming southwest around 6 mph in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......2700-3200 ft AGL. Transport winds.....Southwest around 10 mph. Smoke dispersal.....330-360 (good). Pcpn Amount.........0.44-0.96 in. $$ MIZ050-056-064-071-210815- Muskegon-Ottawa-Allegan-Van Buren- Including the cities of Muskegon, Grand Haven, Jenison, Holland, and South Haven 340 PM EDT Fri Sep 20 2024 .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent). Min temperature.....58-63. 24 hr trend......4 degrees cooler. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 5 to 6 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......200-700 ft AGL. Transport winds.....Southwest around 5 mph. Smoke dispersal.....30-40 (poor). Pcpn Amount.........None. .SATURDAY... Sky/weather.........Partly sunny (45-55 percent) until 11 AM, then sunny (10-20 percent). Max temperature.....85-90. 24 hr trend......3 degrees warmer. Min humidity........39-44 percent near Lake Michigan and 30-35 percent Inland. 24 hr trend......10 percent drier near Lake Michigan and 16 percent drier Inland. 20-foot winds.......Southwest winds 5 to 6 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......1500-2000 ft AGL near Lake Michigan and 3600-4100 ft AGL Inland. Transport winds.....West around 5 mph. Smoke dispersal.....160-250 (fair). Pcpn Amount.........None. .SATURDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent). Min temperature.....Around 62. 24 hr trend......2 degrees warmer. Max humidity........92-97 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.......100-600 ft AGL. Transport winds.....South around 10 mph. Smoke dispersal.....60 (poor). Pcpn Amount.........none to 0.03 in. .SUNDAY... Sky/weather.........Mostly cloudy (80-90 percent). Chance of showers until 2 PM. Chance of thunderstorms. Showers likely after 2 PM. Chance of pcpn......70 percent. Max temperature.....75-80. 24 hr trend......11 degrees cooler. Min humidity........66-71 percent. 24 hr trend......38 percent wetter. 20-foot winds.......South winds around 5 mph shifting to the west around 7 mph in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......1700-2200 ft AGL. Transport winds.....Southwest around 10 mph. Smoke dispersal.....220-260 (fair). Pcpn Amount.........0.47-1.23 in. $$ MIZ051-052-057>059-210815- Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 340 PM EDT Fri Sep 20 2024 .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent). Min temperature.....56-61. 24 hr trend......4 degrees cooler. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 5 to 6 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......500-1000 ft AGL. Transport winds.....West around 5 mph. Smoke dispersal.....40 (poor). Pcpn Amount.........none to 0.02 in. .SATURDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....83-88. 24 hr trend......Unchanged. Min humidity........33-38 percent. 24 hr trend......12 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.......2600-3100 ft AGL increasing to 4600-5100 ft AGL in the afternoon. Transport winds.....West around 5 mph. Smoke dispersal.....230-500 (fair to good). Pcpn Amount.........None. .SATURDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent). Min temperature.....55-60. 24 hr trend......Unchanged. Max humidity........88-93 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 5 to 7 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.....50-60 (poor). Pcpn Amount.........none to 0.01 in. .SUNDAY... Sky/weather.........Mostly cloudy (75-85 percent). Chance of thunderstorms. Rain showers likely after 2 PM. Chance of pcpn......60 percent. Max temperature.....78-83. 24 hr trend......3 degrees cooler. Min humidity........54-59 percent. 24 hr trend......23 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.......3300-3800 ft AGL. Transport winds.....Southwest 10 to 15 mph. Smoke dispersal.....430-460 (good). Pcpn Amount.........0.33-0.79 in. $$ MIZ065>067-072>074-210815- Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson- Including the cities of Hastings, Charlotte, Lansing, Kalamazoo, Battle Creek, and Jackson 340 PM EDT Fri Sep 20 2024 .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent). Chance of thunderstorms until 11 PM. Chance of rain showers until 2 AM. Chance of pcpn......30 percent in the evening. Min temperature.....Around 58. 24 hr trend......2 degrees cooler. Max humidity........95-100 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.......800-1300 ft AGL. Transport winds.....West around 5 mph. Smoke dispersal.....40 (poor). Pcpn Amount.........none to 0.06 in. .SATURDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....84-89. 24 hr trend......2 degrees cooler. Min humidity........33-38 percent. 24 hr trend......10 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.......4000-4500 ft AGL. Transport winds.....Northwest around 5 mph. Smoke dispersal.....210-430 (fair to good). Pcpn Amount.........None. .SATURDAY NIGHT... Sky/weather.........Partly cloudy (25-35 percent). Min temperature.....58-63. 24 hr trend......2 degrees warmer. Max humidity........88-93 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds becoming south around 5 mph overnight. 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.....50 (poor). Pcpn Amount.........none to 0.01 in. .SUNDAY... Sky/weather.........Mostly cloudy (75-85 percent). Chance of showers and thunderstorms. Chance of pcpn......50 percent. Max temperature.....79-84. 24 hr trend......4 degrees cooler. Min humidity........50-55 percent. 24 hr trend......25 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.......2500-3000 ft AGL. Transport winds.....Southwest around 10 mph. Smoke dispersal.....350-390 (good). Pcpn Amount.........0.16-0.92 in. $$ .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Cloudy with a slight chance of thunderstorms. Showers likely in the evening, then a chance of showers overnight. Lows in the mid 50s. Northwest winds 5 to 9 mph. .MONDAY...Mostly cloudy with a chance of showers. Highs in the lower 70s. North winds 5 to 9 mph. .MONDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. East winds 5 to 9 mph. .TUESDAY...Partly sunny with a chance of showers. Highs in the lower 70s. East winds 5 to 8 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy. Chance of showers in the evening. Lows in the lower 50s. Northwest winds 5 to 8 mph. .WEDNESDAY...Partly sunny. Highs in the lower 70s. Northwest winds 5 to 9 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. .FRIDAY...Mostly sunny. Highs in the lower 70s. $$