FNUS53 KGRR 210804 FWFGRR Fire Weather Planning Forecast for Southwest Lower Michigan National Weather Service Grand Rapids MI 404 AM EDT Sun Jun 21 2026 ...Rain Tonight... .DISCUSSION... Low pressure will track across Indiana and Ohio tonight and bring rain to the southern half of Lower Michigan. There is also a chance for rain on Wednesday. MIZ037>039-043>045-212015- Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 404 AM EDT Sun Jun 21 2026 .TODAY... Sky/weather.........Partly sunny (65-75 percent). Max temperature.....71-76. 24 hr trend......3 degrees warmer. Min humidity........55-60 percent near Lake Michigan and 41-46 percent Inland. 24 hr trend......14 percent drier near Lake Michigan and 13 percent drier Inland. 20-foot winds.......Light winds becoming south around 5 mph in the afternoon. Mixing height.......Near Lake Michigan, 3300-3800 ft AGL. Mixing height.......Inland, 3300-3800 ft AGL increasing to 5600-6100 ft AGL in the afternoon. Transport winds.....Southeast around 5 mph shifting to the south in the afternoon. Smoke dispersal.....230-470 (fair to good). Pcpn Amount.........none to 0.04 in. .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent) until 3 AM, then partly cloudy (60-70 percent). Chance of rain showers after 7 PM until 4 AM. Chance of pcpn......30 percent. Min temperature.....49-54. 24 hr trend......6 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......Near Lake Michigan, 1200-1700 ft AGL. Mixing height.......Inland, 3600-4100 ft AGL decreasing to 500-1000 ft AGL after midnight. Transport winds.....South around 5 mph shifting to the northeast after midnight. Smoke dispersal.....60-350 (poor to good). Pcpn Amount.........none to 0.07 in. .MONDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....73-78. 24 hr trend......2 degrees warmer. Min humidity........46-51 percent near Lake Michigan and 36-41 percent Inland. 24 hr trend......8 percent drier near Lake Michigan and 5 percent drier Inland. 20-foot winds.......North winds 6 to 11 mph. Gusts up to 20 mph in the afternoon. Mixing height.......Near Lake Michigan, 3100-3600 ft AGL. Mixing height.......Inland, 3800-4300 ft AGL increasing to 6800-7300 ft AGL in the afternoon. Transport winds.....Northeast 10 to 15 mph. Smoke dispersal.....590-1050 (good to excellent). Pcpn Amount.........none to 0.01 in. $$ MIZ040-046-212015- Clare-Isabella- Including the cities of Clare and Mount Pleasant 404 AM EDT Sun Jun 21 2026 .TODAY... Sky/weather.........Mostly sunny (20-30 percent) until 12 PM, then mostly cloudy (70-80 percent). Max temperature.....Around 75. 24 hr trend......3 degrees warmer. Min humidity........41-46 percent. 24 hr trend......9 percent drier. 20-foot winds.......Light winds. Mixing height.......3500-4000 ft AGL increasing to 5800-6300 ft AGL in the afternoon. Transport winds.....North around 5 mph shifting to the south in the afternoon. Smoke dispersal.....190-510 (fair to good). Pcpn Amount.........None. .TONIGHT... Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain showers after 10 PM. Chance of pcpn......40 percent in the late evening and overnight. Min temperature.....48-53. 24 hr trend......2 degrees warmer. Max humidity........98 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......4400-4900 ft AGL decreasing to 600-1100 ft AGL after midnight. Transport winds.....South around 10 mph shifting to the east after midnight. Smoke dispersal.....80-380 (poor to good). Pcpn Amount.........none to 0.03 in. .MONDAY... Sky/weather.........Mostly sunny (30-40 percent). Chance of rain showers until 8 AM. Chance of pcpn......30 percent early in the morning. Max temperature.....Around 76. 24 hr trend......1 degree warmer. Min humidity........38-43 percent. 24 hr trend......3 percent drier. 20-foot winds.......Northeast winds 5 to 9 mph. Mixing height.......3800-4300 ft AGL increasing to 7300-7800 ft AGL in the afternoon. Transport winds.....Northeast 10 to 15 mph. Smoke dispersal.....510-1030 (good to excellent). Pcpn Amount.........none to 0.02 in. $$ MIZ050-056-064-071-212015- Muskegon-Ottawa-Allegan-Van Buren- Including the cities of Muskegon, Grand Haven, Jenison, Holland, and South Haven 404 AM EDT Sun Jun 21 2026 .TODAY... Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain showers after 2 PM. Chance of pcpn......40 percent in the afternoon. Max temperature.....72-77. 24 hr trend......4 degrees warmer. Min humidity........46-51 percent. 24 hr trend......9 percent drier. 20-foot winds.......Light winds becoming south around 5 mph in the afternoon. Mixing height.......Near Lake Michigan, 3800-4300 ft AGL. Mixing height.......Inland, 2900-3400 ft AGL increasing to 4900-5400 ft AGL in the afternoon. Transport winds.....Southeast around 5 mph shifting to the south in the afternoon. Smoke dispersal.....230-430 (fair to good). Pcpn Amount.........0.02-0.15 in. .TONIGHT... Sky/weather.........Cloudy (85-95 percent). Rain showers. Chance of pcpn......90 percent. Min temperature.....53-58. 24 hr trend......4 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......East winds 5 to 8 mph. Mixing height.......1000-1500 ft AGL near Lake Michigan and 2300-2800 ft AGL Inland. Transport winds.....East 10 to 15 mph. Smoke dispersal.....220-230 (fair). Pcpn Amount.........0.03-0.84 in. .MONDAY... Sky/weather.........Mostly sunny (45-55 percent). Max temperature.....75-80. 24 hr trend......2 degrees warmer. Min humidity........40-45 percent. 24 hr trend......Unchanged. 20-foot winds.......Northeast winds 6 to 11 mph. Gusts up to 20 mph in the afternoon. Mixing height.......Near Lake Michigan, 4600-5100 ft AGL. Mixing height.......Inland, 3400-3900 ft AGL increasing to 7000-7500 ft AGL in the afternoon. Transport winds.....Northeast around 15 mph. Smoke dispersal.....570-1070 (good to excellent). Pcpn Amount.........none to 0.09 in. $$ MIZ051-052-057>059-212015- Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 404 AM EDT Sun Jun 21 2026 .TODAY... Sky/weather.........Partly sunny (60-70 percent). Max temperature.....Around 76. 24 hr trend......3 degrees warmer. Min humidity........43-48 percent. 24 hr trend......9 percent drier. 20-foot winds.......Light winds. Mixing height.......2800-3300 ft AGL increasing to 5700-6200 ft AGL in the afternoon. Transport winds.....Northeast around 5 mph shifting to the south in the afternoon. Smoke dispersal.....170-470 (fair to good). Pcpn Amount.........none to 0.09 in. .TONIGHT... Sky/weather.........Cloudy (85-95 percent). Chance of rain showers until 10 PM, then rain showers likely until 11 PM, then a chance of rain showers. Chance of pcpn......60 percent. Min temperature.....Around 55. 24 hr trend......5 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......4300-4800 ft AGL decreasing to 600-1100 ft AGL after midnight. Transport winds.....South around 10 mph shifting to the east after midnight. Smoke dispersal.....110-380 (poor to good). Pcpn Amount.........0.01-0.42 in. .MONDAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of rain showers until 9 AM. Chance of pcpn......30 percent early in the morning. Max temperature.....74-79. 24 hr trend......1 degree warmer. Min humidity........42-47 percent. 24 hr trend......Unchanged. 20-foot winds.......Northeast winds 7 to 12 mph. Gusts up to 21 mph in the afternoon. Mixing height.......3100-3600 ft AGL increasing to 7000-7500 ft AGL in the afternoon. Transport winds.....Northeast around 15 mph. Smoke dispersal.....550-1090 (good to excellent). Pcpn Amount.........none to 0.10 in. $$ MIZ065>067-072>074-212015- Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson- Including the cities of Hastings, Charlotte, Lansing, Kalamazoo, Battle Creek, and Jackson 404 AM EDT Sun Jun 21 2026 .TODAY... Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain showers after 3 PM. Chance of pcpn......40 percent late in the afternoon. Max temperature.....Around 75. 24 hr trend......3 degrees warmer. Min humidity........36-41 percent. 24 hr trend......5 percent drier. 20-foot winds.......Light winds. Mixing height.......3000-3500 ft AGL increasing to 5500-6000 ft AGL in the afternoon. Transport winds.....North around 5 mph shifting to the southwest in the afternoon. Smoke dispersal.....170-470 (fair to good). Pcpn Amount.........None to 0.11 in. .TONIGHT... Sky/weather.........Cloudy (90-100 percent). Chance of rain showers until 8 PM, then rain showers until 5 AM, then a chance of rain showers. Chance of pcpn......90 percent. Min temperature.....Around 55. 24 hr trend......4 degrees warmer. Max humidity........98 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds becoming east around 6 mph after midnight. Mixing height.......3800-4300 ft AGL decreasing to 800-1300 ft AGL after midnight. Transport winds.....East 10 to 15 mph. Smoke dispersal.....210-340 (fair to good). Pcpn Amount.........0.32-0.75 in. .MONDAY... Sky/weather.........Cloudy (85-95 percent) until 9 AM, then partly sunny (50-60 percent). Chance of rain showers until 10 AM. Chance of pcpn......30 percent until late afternoon. Max temperature.....Around 75. 24 hr trend......Unchanged. Min humidity........43-48 percent. 24 hr trend......7 percent wetter. 20-foot winds.......Northeast winds 7 to 12 mph. Gusts up to 20 mph in the afternoon. Mixing height.......2500-3000 ft AGL increasing to 6600-7100 ft AGL in the afternoon. Transport winds.....Northeast around 15 mph. Smoke dispersal.....490-1020 (good to excellent). Pcpn Amount.........0.03-0.17 in. $$ .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY NIGHT...Mostly clear. Lows around 50. North winds 5 to 9 mph. .TUESDAY...Sunny. Highs in the mid 70s. North winds 5 to 6 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northwest winds 5 to 7 mph in the evening becoming light. .WEDNESDAY...Partly sunny with a chance of showers. Highs in the mid 70s. Southwest winds 5 to 9 mph. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows in the mid 50s. Southwest winds 5 to 7 mph in the evening becoming light. .THURSDAY...Partly sunny with a chance of showers. Highs in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Chance of showers and thunderstorms in the evening. Lows in the mid 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SATURDAY...Mostly sunny. Highs in the lower 80s. $$