Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
876 FNUS53 KGRR 181925 FWFGRR Fire Weather Planning Forecast for Southwest Lower Michigan National Weather Service Grand Rapids MI 325 PM EDT Wed Sep 18 2024 .DISCUSSION... The dry stretch continues through Thursday with minimum relative humidity values dropping into the 30s across the area. If we are able to mix out more values may drop into the mid to upper 20s. Mixing heights during the afternoon are currently expected to be around 5000 to 6000 feet. Friday there is a chance (30 to 50 percent) for showers and storms during the morning with lower chances around 20 percent for the afternoon. Dry conditions are then expected until Sunday night as we move more into a wet pattern for next week. MIZ037>039-043>045-190830- Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 325 PM EDT Wed Sep 18 2024 .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). Min temperature.....51-56. 24 hr trend......3 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......East winds 5 to 6 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......400-900 ft AGL. Transport winds.....East around 5 mph shifting to the southeast overnight. Smoke dispersal.....40 (poor). Pcpn Amount.........None. .THURSDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....83-88. 24 hr trend......Unchanged. Min humidity........43-48 percent near Lake Michigan and 34-39 percent Inland. 24 hr trend......Unchanged near Lake Michigan and 1 percent drier Inland. 20-foot winds.......South winds 5 to 8 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......4400-4900 ft AGL near Lake Michigan and 6000-6500 ft AGL Inland. Transport winds.....South around 5 mph. Smoke dispersal.....420-490 (good). Pcpn Amount.........None. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent). Min temperature.....56-61. 24 hr trend......7 degrees warmer. Max humidity........88-93 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds becoming southeast around 6 mph overnight. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......200-700 ft AGL. Transport winds.....South around 10 mph. Smoke dispersal.....60-70 (poor). Pcpn Amount.........None. .FRIDAY... Sky/weather.........Partly sunny (55-65 percent). Chance of rain showers. Chance of thunderstorms after 11 AM. Chance of pcpn......50 percent. Max temperature.....77-82. 24 hr trend......3 degrees cooler. Min humidity........64-69 percent near Lake Michigan and 56-61 percent Inland. 24 hr trend......24 percent wetter near Lake Michigan and 25 percent wetter Inland. 20-foot winds.......South winds 5 to 9 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......2400-2900 ft AGL near Lake Michigan and 3700-4200 ft AGL Inland. Transport winds.....South around 15 mph. Smoke dispersal.....540-640 (good to excellent). Pcpn Amount.........none to 0.09 in. $$ MIZ040-046-190830- Clare-Isabella- Including the cities of Clare and Mount Pleasant 325 PM EDT Wed Sep 18 2024 .TONIGHT... Sky/weather.........Mostly clear (20-30 percent). Patchy fog after 3 AM. Min temperature.....51-56. 24 hr trend......5 degrees warmer. Max humidity........98 percent. 24 hr trend......Unchanged. 20-foot winds.......East winds 5 to 6 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......300-800 ft AGL. Transport winds.....Southeast 5 to 10 mph. Smoke dispersal.....40-50 (poor). Pcpn Amount.........None. .THURSDAY... Sky/weather.........Sunny (20-30 percent). Patchy fog until 9 AM. Max temperature.....Around 83. 24 hr trend......Unchanged. Min humidity........36-41 percent. 24 hr trend......9 percent drier. 20-foot winds.......Light winds becoming southeast around 5 mph in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......5400-5900 ft AGL. Transport winds.....South around 5 mph. Smoke dispersal.....300-410 (good). Pcpn Amount.........None. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (35-45 percent). Min temperature.....Around 56. 24 hr trend......1 degree warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southeast 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.....Southeast around 10 mph. Smoke dispersal.....50 (poor). Pcpn Amount.........None. .FRIDAY... Sky/weather.........Partly sunny (60-70 percent). Chance of rain showers. Chance of pcpn......30 percent. Max temperature.....80-85. 24 hr trend......3 degrees cooler. Min humidity........44-49 percent. 24 hr trend......9 percent wetter. 20-foot winds.......South winds 5 to 8 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......5200-5700 ft AGL. Transport winds.....South 10 to 15 mph. Smoke dispersal.....560-810 (good to excellent). Pcpn Amount.........none to 0.02 in. $$ MIZ050-056-064-071-190830- Muskegon-Ottawa-Allegan-Van Buren- Including the cities of Muskegon, Grand Haven, Jenison, Holland, and South Haven 325 PM EDT Wed Sep 18 2024 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....55-60. 24 hr trend......5 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......300-800 ft AGL. Transport winds.....Northeast around 5 mph shifting to the southeast overnight. Smoke dispersal.....40-50 (poor). Pcpn Amount.........None. .THURSDAY... Sky/weather.........Sunny (10-20 percent). Max temperature.....83-88. 24 hr trend......1 degree warmer. Min humidity........33-38 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Light winds. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......4200-4700 ft AGL near Lake Michigan and 6200-6700 ft AGL Inland. Transport winds.....Southeast around 5 mph shifting to the southwest in the afternoon. Smoke dispersal.....320-370 (good). Pcpn Amount.........None. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent). Min temperature.....59-64. 24 hr trend......4 degrees warmer. Max humidity........85-90 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds becoming southeast around 6 mph overnight. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......100-600 ft AGL. Transport winds.....Southeast 10 to 15 mph. Smoke dispersal.....60-70 (poor). Pcpn Amount.........None. .FRIDAY... Sky/weather.........Partly sunny (50-60 percent). Chance of showers. Chance of pcpn......40 percent. Max temperature.....82-87. 24 hr trend......4 degrees cooler. Min humidity........44-49 percent. 24 hr trend......20 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.......2600-3100 ft AGL near Lake Michigan and 6500-7000 ft AGL Inland. Transport winds.....South around 15 mph. Smoke dispersal.....790-980 (excellent). Pcpn Amount.........none to 0.04 in. $$ MIZ051-052-057>059-190830- Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 325 PM EDT Wed Sep 18 2024 .TONIGHT... Sky/weather.........Mostly clear (10-20 percent). Min temperature.....54-59. 24 hr trend......4 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......East winds 5 to 6 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......400-900 ft AGL. Transport winds.....Southeast around 5 mph. Smoke dispersal.....40 (poor). Pcpn Amount.........None. .THURSDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....Around 85. 24 hr trend......1 degree warmer. Min humidity........35-40 percent. 24 hr trend......13 percent drier. 20-foot winds.......Light winds becoming southeast around 5 mph in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......6000-6500 ft AGL. Transport winds.....Southeast around 5 mph. Smoke dispersal.....300-370 (good). Pcpn Amount.........None. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent). Min temperature.....56-61. 24 hr trend......2 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southeast winds 5 to 8 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......300-800 ft AGL. Transport winds.....Southeast around 10 mph. Smoke dispersal.....60 (poor). Pcpn Amount.........None. .FRIDAY... Sky/weather.........Partly sunny (55-65 percent). Chance of rain showers. Chance of pcpn......30 percent. Max temperature.....Around 83. 24 hr trend......1 degree warmer. Min humidity........43-48 percent. 24 hr trend......8 percent wetter. 20-foot winds.......South winds 5 to 9 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......5500-6000 ft AGL. Transport winds.....South 10 to 15 mph. Smoke dispersal.....670-820 (excellent). Pcpn Amount.........none to 0.03 in. $$ MIZ065>067-072>074-190830- Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson- Including the cities of Hastings, Charlotte, Lansing, Kalamazoo, Battle Creek, and Jackson 325 PM EDT Wed Sep 18 2024 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Patchy fog after 5 AM. Min temperature.....Around 56. 24 hr trend......3 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southeast winds 5 to 6 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......500-1000 ft AGL. Transport winds.....Southeast 5 to 10 mph. Smoke dispersal.....40-50 (poor). Pcpn Amount.........None. .THURSDAY... Sky/weather.........Sunny (10-20 percent). Patchy fog until 9 AM. Max temperature.....82-87. 24 hr trend......1 degree warmer. Min humidity........36-41 percent. 24 hr trend......11 percent drier. 20-foot winds.......East winds 5 to 6 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......6100-6600 ft AGL. Transport winds.....East around 5 mph. Smoke dispersal.....270-320 (fair to good). Pcpn Amount.........None. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (25-35 percent). Min temperature.....56-61. 24 hr trend......2 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southeast winds 5 to 8 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......500-1000 ft AGL. Transport winds.....Southeast around 10 mph. Smoke dispersal.....50-60 (poor). Pcpn Amount.........None. .FRIDAY... Sky/weather.........Partly sunny (45-55 percent). Chance of rain showers after 2 PM. Chance of pcpn......30 percent in the afternoon. Max temperature.....82-87. 24 hr trend......1 degree warmer. Min humidity........41-46 percent. 24 hr trend......6 percent wetter. 20-foot winds.......South winds 5 to 9 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......6300-6800 ft AGL. Transport winds.....South around 10 mph. Smoke dispersal.....770-960 (excellent). Pcpn Amount.........none to 0.01 in. $$ .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Southeast winds 5 to 6 mph in the evening becoming light. .SATURDAY...Sunny. Highs in the mid 80s. Northwest winds 5 to 9 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. East winds 5 to 8 mph. .SUNDAY...Mostly sunny. Highs in the mid 80s. Southeast winds 5 to 9 mph. .SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 50s. Southeast winds 5 to 9 mph. .MONDAY...Mostly cloudy with a chance of showers. Highs in the mid 70s. South winds 5 to 9 mph. .MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in the mid 50s. .TUESDAY...Partly sunny with a chance of showers. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy. Chance of showers. Lows in the mid 50s. .WEDNESDAY...Partly sunny with a chance of showers. Highs in the lower 70s. $$