


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
319 FNUS53 KGRR 301950 FWFGRR Fire Weather Planning Forecast for Southwest Lower Michigan National Weather Service Grand Rapids MI 350 PM EDT Sat Aug 30 2025 ...Dry through first half of the week... .DISCUSSION...High pressure continues with fair weather and light winds through the rest of the weekend and through the first half of next week. RH`s will drop into the low to mid 30s by Monday. Patchy fog remains possible through the far south east of central Michigan. MIZ037>039-043>045-310845- Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 350 PM EDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....39-44. 24 hr trend......2 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......500-1000 ft AGL. Transport winds.....North around 5 mph shifting to the northeast overnight. Smoke dispersal.....40-50 (poor). Pcpn Amount.........None. .SUNDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....74-79. 24 hr trend......4 degrees warmer. Min humidity........46-51 percent near Lake Michigan and 32-37 percent Inland. 24 hr trend......6 percent drier near Lake Michigan and 2 percent drier Inland. 20-foot winds.......Light winds. Mixing height.......3600-4100 ft AGL near Lake Michigan and 6000-6500 ft AGL Inland. Transport winds.....East around 5 mph. Smoke dispersal.....220-270 (fair). Pcpn Amount.........None. .SUNDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....42-47. 24 hr trend......3 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......300-800 ft AGL. Transport winds.....Northeast around 5 mph shifting to the southeast overnight. Smoke dispersal.....30-40 (poor). Pcpn Amount.........None. .LABOR DAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....76-81. 24 hr trend......2 degrees warmer. Min humidity........48-53 percent near Lake Michigan and 35-40 percent Inland. 24 hr trend......2 percent wetter near Lake Michigan and unchanged Inland. 20-foot winds.......South winds 5 to 6 mph. Mixing height.......Near Lake Michigan, 3600-4100 ft AGL. Mixing height.......Inland, 5900-6400 ft AGL increasing to 8200-8700 ft AGL in the afternoon. Transport winds.....Southeast around 5 mph. Smoke dispersal.....370-440 (good). Pcpn Amount.........None. $$ MIZ040-046-310845- Clare-Isabella- Including the cities of Clare and Mount Pleasant 350 PM EDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....39-44. 24 hr trend......1 degree warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......North winds 5 to 6 mph. Mixing height.......400-900 ft AGL. Transport winds.....North around 5 mph. Smoke dispersal.....40-50 (poor). Pcpn Amount.........None. .SUNDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....Around 78. 24 hr trend......4 degrees warmer. Min humidity........31-36 percent. 24 hr trend......Unchanged. 20-foot winds.......East winds up to 5 mph. Mixing height.......6200-6700 ft AGL. Transport winds.....Southeast around 5 mph. Smoke dispersal.....180-280 (fair). Pcpn Amount.........None. .SUNDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....42-47. 24 hr trend......3 degrees warmer. Max humidity........98 percent. 24 hr trend......Unchanged. 20-foot winds.......East winds up to 5 mph. Mixing height.......300-800 ft AGL. Transport winds.....Southeast 5 to 10 mph. Smoke dispersal.....30-50 (poor). Pcpn Amount.........None. .LABOR DAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....Around 80. 24 hr trend......2 degrees warmer. Min humidity........32-37 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Southeast winds 5 to 6 mph. Mixing height.......5400-5900 ft AGL increasing to 7900-8400 ft AGL in the afternoon. Transport winds.....Southeast around 5 mph. Smoke dispersal.....340-450 (good). Pcpn Amount.........None. $$ MIZ050-056-064-071-310845- Muskegon-Ottawa-Allegan-Van Buren- Including the cities of Muskegon, Grand Haven, Jenison, Holland, and South Haven 350 PM EDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....45-50. 24 hr trend......5 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......600-1100 ft AGL. Transport winds.....North around 10 mph shifting to the east overnight. Smoke dispersal.....40 (poor). Pcpn Amount.........None. .SUNDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....74-79. 24 hr trend......4 degrees warmer. Min humidity........37-42 percent. 24 hr trend......1 percent drier. 20-foot winds.......Light winds becoming northwest around 5 mph in the afternoon. Mixing height.......4200-4700 ft AGL near Lake Michigan and 5800-6300 ft AGL Inland. Transport winds.....Southeast around 5 mph shifting to the northeast in the afternoon. Smoke dispersal.....210-340 (fair to good). Pcpn Amount.........None. .SUNDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....48-53. 24 hr trend......3 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......100-600 ft AGL. Transport winds.....North around 5 mph shifting to the southeast overnight. Smoke dispersal.....40 (poor). Pcpn Amount.........None. .LABOR DAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....76-81. 24 hr trend......2 degrees warmer. Min humidity........38-43 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Light winds becoming northeast around 5 mph in the afternoon. Mixing height.......Near Lake Michigan, 4900-5400 ft AGL. Mixing height.......Inland, 5200-5700 ft AGL increasing to 7300-7800 ft AGL in the afternoon. Transport winds.....East around 5 mph. Smoke dispersal.....480-580 (good). Pcpn Amount.........None. $$ MIZ051-052-057>059-310845- Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 350 PM EDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Mostly clear (10-20 percent). Min temperature.....42-47. 24 hr trend......4 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......500-1000 ft AGL. Transport winds.....West around 5 mph shifting to the east overnight. Smoke dispersal.....40 (poor). Pcpn Amount.........None. .SUNDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....Around 78. 24 hr trend......4 degrees warmer. Min humidity........35-40 percent. 24 hr trend......2 percent drier. 20-foot winds.......Light winds. Mixing height.......6000-6500 ft AGL. Transport winds.....South around 5 mph shifting to the east in the afternoon. Smoke dispersal.....200-270 (fair). Pcpn Amount.........None. .SUNDAY NIGHT... Sky/weather.........Mostly clear (0-10 percent). Min temperature.....45-50. 24 hr trend......3 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......East winds 5 to 6 mph. Mixing height.......500-1000 ft AGL. Transport winds.....Southeast around 5 mph. Smoke dispersal.....30-40 (poor). Pcpn Amount.........None. .LABOR DAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....Around 80. 24 hr trend......1 degree warmer. Min humidity........37-42 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Light winds becoming east around 6 mph in the afternoon. Mixing height.......5300-5800 ft AGL increasing to 7400-7900 ft AGL in the afternoon. Transport winds.....East around 5 mph. Smoke dispersal.....400-530 (good). Pcpn Amount.........None. $$ MIZ065>067-072>074-310845- Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson- Including the cities of Hastings, Charlotte, Lansing, Kalamazoo, Battle Creek, and Jackson 350 PM EDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....Around 47. 24 hr trend......5 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......300-800 ft AGL. Transport winds.....East around 5 mph shifting to the southeast overnight. Smoke dispersal.....30-40 (poor). Pcpn Amount.........None. .SUNDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....Around 77. 24 hr trend......4 degrees warmer. Min humidity........36-41 percent. 24 hr trend......4 percent drier. 20-foot winds.......Light winds. Mixing height.......5800-6300 ft AGL. Transport winds.....Southeast around 5 mph shifting to the east in the afternoon. Smoke dispersal.....260-440 (fair to good). Pcpn Amount.........None. .SUNDAY NIGHT... Sky/weather.........Mostly clear (0-10 percent). Min temperature.....Around 50. 24 hr trend......3 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......East winds up to 5 mph. Mixing height.......200-700 ft AGL. Transport winds.....Southeast 5 to 10 mph. Smoke dispersal.....30-40 (poor). Pcpn Amount.........None. .LABOR DAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....Around 79. 24 hr trend......2 degrees warmer. Min humidity........37-42 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Light winds becoming east around 5 mph in the afternoon. Mixing height.......6900-7400 ft AGL. Transport winds.....East 5 to 10 mph. Smoke dispersal.....510-580 (good). Pcpn Amount.........None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds up to 5 mph in the evening becoming light. .TUESDAY...Sunny. Highs around 80. Southeast winds up to 5 mph shifting to the southwest 5 to 6 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southwest winds 5 to 6 mph shifting to the south overnight. .WEDNESDAY...Mostly sunny with a chance of showers. Highs in the upper 70s. Southwest winds 6 to 11 mph. .WEDNESDAY NIGHT...Mostly cloudy. Showers likely in the evening, then a chance of showers overnight. Lows in the upper 40s. West winds 5 to 9 mph. .THURSDAY...Cooler. Partly sunny. Highs around 60. West winds 6 to 11 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s. .FRIDAY...Partly sunny. Highs in the lower 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SATURDAY...Mostly sunny. Highs in the upper 60s. $$