


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
913 FNUS53 KGRR 191910 FWFGRR Fire Weather Planning Forecast for Southwest Lower Michigan National Weather Service Grand Rapids MI 310 PM EDT Sat Jul 19 2025 ...Storms possible this evening... .DISCUSSION...Showers and thunderstorms, some possible strong, are possible through early evening before a cold front moves through tonight. Drier air will move south Sunday through Tuesday lowering dewpoints into the 50s. Heat and humidity will increase mid week with highs in the 90s and dewpoints in the 70s. MIZ037>039-043>045-200815- Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 310 PM EDT Sat Jul 19 2025 .TONIGHT... Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of thunderstorms until 11 PM. Slight chance of rain showers until 12 AM. Chance of pcpn......20 percent in the evening. Min temperature.....59-64. 24 hr trend......4 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......North winds 5 to 6 mph. Mixing height.......1200-1700 ft AGL. Transport winds.....Northwest around 10 mph shifting to the north overnight. Smoke dispersal.....160-190 (fair). Pcpn Amount.........0.01-0.39 in. .SUNDAY... Sky/weather.........Mostly cloudy (75-85 percent) until 11 AM, then mostly sunny (20-30 percent). Max temperature.....78-83. 24 hr trend......Unchanged. Min humidity........53-58 percent near Lake Michigan and 41-46 percent Inland. 24 hr trend......18 percent drier near Lake Michigan and 24 percent drier Inland. 20-foot winds.......North winds 5 to 9 mph. Mixing height.......3300-3800 ft AGL near Lake Michigan and 5500-6000 ft AGL Inland. Transport winds.....North around 10 mph. Smoke dispersal.....400-490 (good). Pcpn Amount.........None. .SUNDAY NIGHT... Sky/weather.........Mostly clear (10-20 percent). Min temperature.....50-55. 24 hr trend......7 degrees cooler. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Northeast winds 5 to 6 mph. Mixing height.......500-1000 ft AGL near Lake Michigan and 1500-2000 ft AGL Inland. Transport winds.....Northeast around 10 mph. Smoke dispersal.....50-210 (poor to fair). Pcpn Amount.........None. .MONDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....79-84. 24 hr trend......Unchanged. Min humidity........40-45 percent. 24 hr trend......2 percent drier. 20-foot winds.......East winds 5 to 8 mph. Mixing height.......3500-4000 ft AGL near Lake Michigan and 5400-5900 ft AGL Inland. Transport winds.....East 5 to 10 mph. Smoke dispersal.....330-380 (good). Pcpn Amount.........None. $$ MIZ040-046-200815- Clare-Isabella- Including the cities of Clare and Mount Pleasant 310 PM EDT Sat Jul 19 2025 .TONIGHT... Sky/weather.........Partly cloudy (65-75 percent) until 11 PM, then mostly cloudy (65-75 percent) until 2 AM, then partly cloudy (60-70 percent) until 5 AM, then mostly cloudy (65-75 percent). Chance of showers and thunderstorms until 2 AM. Chance of pcpn......30 percent in the evening. Min temperature.....57-62. 24 hr trend......3 degrees warmer. Max humidity........99 percent. 24 hr trend......Unchanged. 20-foot winds.......North winds 5 to 6 mph. Mixing height.......900-1400 ft AGL. Transport winds.....West around 10 mph shifting to the north overnight. Smoke dispersal.....160 (fair). Pcpn Amount.........0.02-0.33 in. .SUNDAY... Sky/weather.........Partly sunny (55-65 percent) until 2 PM, then sunny (15-25 percent). Max temperature.....Around 80. 24 hr trend......Unchanged. Min humidity........42-47 percent. 24 hr trend......24 percent drier. 20-foot winds.......North winds 5 to 8 mph. Mixing height.......3900-4400 ft AGL increasing to 6100-6600 ft AGL in the afternoon. Transport winds.....North around 10 mph. Smoke dispersal.....410-540 (good). Pcpn Amount.........None. .SUNDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....49-54. 24 hr trend......7 degrees cooler. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......North winds up to 5 mph. Mixing height.......1600-2100 ft AGL. Transport winds.....Northeast around 10 mph. Smoke dispersal.....40-230 (poor to fair). Pcpn Amount.........None. .MONDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....Around 79. 24 hr trend......Unchanged. Min humidity........43-48 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Light winds becoming east around 6 mph in the afternoon. Mixing height.......5000-5500 ft AGL. Transport winds.....East around 10 mph. Smoke dispersal.....410-420 (good). Pcpn Amount.........None. $$ MIZ050-056-064-071-200815- Muskegon-Ottawa-Allegan-Van Buren- Including the cities of Muskegon, Grand Haven, Jenison, Holland, and South Haven 310 PM EDT Sat Jul 19 2025 .TONIGHT... Sky/weather.........Partly cloudy (60-70 percent) until 2 AM, then mostly cloudy (75-85 percent). Chance of showers and thunderstorms until 12 AM. Chance of pcpn......40 percent. Min temperature.....64-69. 24 hr trend......4 degrees warmer. Max humidity........99 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......1100-1600 ft AGL. Transport winds.....West around 10 mph shifting to the northwest overnight. Smoke dispersal.....140-200 (fair). Pcpn Amount.........0.02-0.38 in. .SUNDAY... Sky/weather.........Mostly cloudy (70-80 percent) until 5 PM, then mostly sunny (20-30 percent). Max temperature.....79-84. 24 hr trend......4 degrees cooler. Min humidity........44-49 percent. 24 hr trend......7 percent drier. 20-foot winds.......North winds 5 to 8 mph. Mixing height.......Near Lake Michigan, 3900-4400 ft AGL. Mixing height.......Inland, 3400-3900 ft AGL increasing to 5400-5900 ft AGL in the afternoon. Transport winds.....North 5 to 10 mph. Smoke dispersal.....260-370 (fair to good). Pcpn Amount.........none to 0.06 in. .SUNDAY NIGHT... Sky/weather.........Mostly clear (10-20 percent). Min temperature.....56-61. 24 hr trend......9 degrees cooler. Max humidity........92-97 percent. 24 hr trend......Unchanged. 20-foot winds.......Northeast winds 5 to 7 mph. Mixing height.......Near Lake Michigan, 900-1400 ft AGL. Mixing height.......Inland, 2300-2800 ft AGL decreasing to 0-500 ft AGL overnight. Transport winds.....Northeast around 10 mph. Smoke dispersal.....60-160 (poor to fair). Pcpn Amount.........None. .MONDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....80-85. 24 hr trend......4 degrees warmer. Min humidity........41-46 percent. 24 hr trend......18 percent drier. 20-foot winds.......East winds 5 to 9 mph. Mixing height.......4700-5200 ft AGL near Lake Michigan and 5700-6200 ft AGL Inland. Transport winds.....East around 10 mph. Smoke dispersal.....470-500 (good). Pcpn Amount.........None. $$ MIZ051-052-057>059-200815- Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 310 PM EDT Sat Jul 19 2025 .TONIGHT... Sky/weather.........Partly cloudy (65-75 percent) until 5 AM, then mostly cloudy (70-80 percent). Chance of showers and thunderstorms until 2 AM. Chance of pcpn......40 percent in the evening. Min temperature.....63-68. 24 hr trend......5 degrees warmer. Max humidity........99 percent. 24 hr trend......Unchanged. 20-foot winds.......North winds 5 to 8 mph. Mixing height.......1100-1600 ft AGL. Transport winds.....Southwest around 10 mph shifting to the northwest overnight. Smoke dispersal.....170-180 (fair). Pcpn Amount.........0.02-0.69 in. .SUNDAY... Sky/weather.........Mostly cloudy (75-85 percent) until 2 PM, then mostly sunny (30-40 percent). Max temperature.....78-83. 24 hr trend......4 degrees cooler. Min humidity........45-50 percent. 24 hr trend......13 percent drier. 20-foot winds.......Northeast winds 5 to 9 mph. Mixing height.......3400-3900 ft AGL increasing to 5500-6000 ft AGL in the afternoon. Transport winds.....North 5 to 10 mph. Smoke dispersal.....290-430 (fair to good). Pcpn Amount.........None. .SUNDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....55-60. 24 hr trend......8 degrees cooler. Max humidity........91-96 percent. 24 hr trend......Unchanged. 20-foot winds.......Northeast winds 5 to 8 mph. Mixing height.......2400-2900 ft AGL decreasing to 200-700 ft AGL overnight. Transport winds.....Northeast around 10 mph. Smoke dispersal.....60-120 (poor). Pcpn Amount.........None. .MONDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....79-84. 24 hr trend......Unchanged. Min humidity........43-48 percent. 24 hr trend......6 percent drier. 20-foot winds.......East winds 5 to 9 mph. Mixing height.......5400-5900 ft AGL. Transport winds.....East around 10 mph. Smoke dispersal.....370-430 (good). Pcpn Amount.........None. $$ MIZ065>067-072>074-200815- Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson- Including the cities of Hastings, Charlotte, Lansing, Kalamazoo, Battle Creek, and Jackson 310 PM EDT Sat Jul 19 2025 .TONIGHT... Sky/weather.........Partly cloudy (60-70 percent) until 2 AM, then mostly cloudy (75-85 percent). Chance of showers and thunderstorms until 1 AM. Chance of pcpn......50 percent. Min temperature.....Around 67. 24 hr trend......5 degrees warmer. Max humidity........100 percent. 24 hr trend......Unchanged. 20-foot winds.......Light winds. Mixing height.......800-1300 ft AGL. Transport winds.....West around 10 mph. Smoke dispersal.....140-150 (fair). Pcpn Amount.........0.02-0.37 in. .SUNDAY... Sky/weather.........Mostly cloudy (75-85 percent) until 5 PM, then mostly sunny (40-50 percent). Max temperature.....Around 79. 24 hr trend......4 degrees cooler. Min humidity........58-63 percent. 24 hr trend......Unchanged. 20-foot winds.......North winds 5 to 9 mph. Mixing height.......3700-4200 ft AGL. Transport winds.....North 5 to 10 mph. Smoke dispersal.....240-340 (fair to good). Pcpn Amount.........none to 0.03 in. .SUNDAY NIGHT... Sky/weather.........Mostly clear (10-20 percent). Min temperature.....Around 58. 24 hr trend......9 degrees cooler. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Northeast winds 5 to 7 mph. Mixing height.......1700-2200 ft AGL. Transport winds.....East 5 to 10 mph. Smoke dispersal.....60-120 (poor). Pcpn Amount.........None. .MONDAY... Sky/weather.........Sunny (10-20 percent). Max temperature.....Around 80. 24 hr trend......1 degree warmer. Min humidity........48-53 percent. 24 hr trend......15 percent drier. 20-foot winds.......East winds 5 to 8 mph. Mixing height.......5300-5800 ft AGL. Transport winds.....East 5 to 10 mph. Smoke dispersal.....420-440 (good). Pcpn Amount.........None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds 5 to 9 mph. .TUESDAY...Sunny. Highs in the mid 80s. Southeast winds 5 to 9 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds 5 to 9 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 90s. Southwest winds 6 to 11 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Southwest winds 5 to 9 mph. .THURSDAY...Mostly sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in the upper 60s. .FRIDAY...Mostly sunny with a chance of showers. Highs in the upper 80s. .FRIDAY NIGHT...Partly cloudy. Chance of showers overnight. Lows in the mid 60s. .SATURDAY...Mostly sunny. Chance of showers in the afternoon. Highs in the upper 80s. $$