200
FNUS53 KGRR 071748
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
148 PM EDT FRI AUG 7 2026
..SCATTERED SHOWERS ISOLATED STORMS LATE TODAY
DISCUSSION
WHILE THE POTENTIAL CONTINUES TO DIMINISH THERE REMAINS
A CHANCE FOR SHOWERS AND STORMS TO DEVELOP LATE TODAY. THE BEST CHANCES
WILL BE THROUGH SOUTHEAST MICHIGAN THE WINDS WILL SHIFT TO THE SOUTHWEST
AS THE DAY CONTINUES. THE NEXT CHANCE FOR SHOWERS AND STORMS WILL BE
SUNDAY INTO MONDAY WITH HEAVY RAIN POSSIBLE.
MIZ037>039-043>045-080830-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
148 PM EDT FRI AUG 7 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 11 PM UNTIL 5 AM. CHANCE OF
SHOWERS AFTER 11 PM. PATCHY FOG AFTER 12 AM
UNTIL 5 AM.
CHANCE OF PCPN......30 PERCENT IN THE LATE EVENING AND
OVERNIGHT.
MIN TEMPERATURE.....62-67.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........99 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1500-2000 FT AGL.
MIXING HEIGHT.......INLAND, 3800-4300 FT AGL DECREASING TO 100-600
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....830 (EXCELLENT) DECREASING TO 60 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.02 IN.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT) UNTIL 12 PM, THEN
SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....77-82.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........52-57 PERCENT NEAR LAKE MICHIGAN AND 43-48
PERCENT INLAND.
24 HR TREND......18 PERCENT DRIER NEAR LAKE MICHIGAN AND 13
PERCENT DRIER INLAND.
20-FOOT WINDS.......WEST WINDS 6 TO 11 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2900-3400 FT AGL.
MIXING HEIGHT.......INLAND, 2200-2700 FT AGL INCREASING TO
4700-5200 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....410-840 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.01 IN.
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 62 NEAR LAKE MICHIGAN AND 52-57 INLAND.
24 HR TREND......3 DEGREES COOLER NEAR LAKE MICHIGAN AND 9
DEGREES COOLER INLAND.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2400-2900 FT AGL IN THE
EVENING.
MIXING HEIGHT.......0-500 FT AGL AFTER MIDNIGHT.
MIXING HEIGHT.......INLAND, 3800-4300 FT AGL IN THE EVENING.
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
SMOKE DISPERSAL.....710 (EXCELLENT) DECREASING TO 40 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 8 AM.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....79-84.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........60-65 PERCENT NEAR LAKE MICHIGAN AND 49-54
PERCENT INLAND.
24 HR TREND......13 PERCENT WETTER NEAR LAKE MICHIGAN AND 9
PERCENT WETTER INLAND.
20-FOOT WINDS.......SOUTH WINDS 6 TO 11 MPH. GUSTS UP TO 23 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2000-2500 FT AGL NEAR LAKE MICHIGAN AND
3300-3800 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....420-720 (GOOD TO EXCELLENT).
PCPN AMOUNT.........0.01-0.17 IN.
MIZ040-046-080830-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
148 PM EDT FRI AUG 7 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). PATCHY FOG AFTER
11 PM.
MIN TEMPERATURE.....62-67.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......4700-5200 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....800 (EXCELLENT) DECREASING TO 60 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). PATCHY FOG UNTIL
8 AM.
MAX TEMPERATURE.....79-84.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........42-47 PERCENT.
24 HR TREND......14 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 6 TO 11 MPH.
MIXING HEIGHT.......2700-3200 FT AGL INCREASING TO 5500-6000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
SMOKE DISPERSAL.....490-920 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.03 IN.
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....49-54.
24 HR TREND......11 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......4800-5300 FT AGL DECREASING TO 0-400 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....840 (EXCELLENT) DECREASING TO 40 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 8 AM.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 83.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 11 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......4000-4500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....460-710 (GOOD TO EXCELLENT).
PCPN AMOUNT.........0.01-0.14 IN.
MIZ050-056-064-071-080830-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
148 PM EDT FRI AUG 7 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
AREAS OF FOG AFTER 10 PM.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 67.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........99 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1000-1500 FT AGL.
MIXING HEIGHT.......INLAND, 4400-4900 FT AGL DECREASING TO 0-500 FT
AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....60-510 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.11 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). PATCHY FOG UNTIL
8 AM. CHANCE OF SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS UNTIL 10 AM.
CHANCE OF PCPN......30 PERCENT IN THE MORNING.
MAX TEMPERATURE.....75-80.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........48-53 PERCENT.
24 HR TREND......10 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2700-3200 FT AGL.
MIXING HEIGHT.......INLAND, 2200-2700 FT AGL INCREASING TO
4500-5000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....390-710 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.03 IN.
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....55-60.
24 HR TREND......10 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2000-2500 FT AGL DECREASING
TO 0-500 FT AGL AFTER MIDNIGHT.
MIXING HEIGHT.......INLAND, 3500-4000 FT AGL DECREASING TO 0-400 FT
AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
SMOKE DISPERSAL.....40-540 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 2 PM.
CHANCE OF PCPN......40 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....78-83.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........55-60 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2400-2900 FT AGL NEAR LAKE MICHIGAN AND
3300-3800 FT AGL INLAND.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....330-550 (GOOD).
PCPN AMOUNT.........0.07-0.28 IN.
MIZ051-052-057>059-080830-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
148 PM EDT FRI AUG 7 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 9 PM. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1 AM UNTIL 5 AM.
SLIGHT CHANCE OF SHOWERS AFTER 1 AM. PATCHY FOG
AFTER 11 PM UNTIL 3 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE EVENING THEN
PRECIPITATION 20 PERCENT AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 68.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......4200-4700 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....50-610 (POOR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.03 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....79-84.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........45-50 PERCENT.
24 HR TREND......11 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 8 TO 13 MPH. GUSTS UP TO 23 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2400-2900 FT AGL INCREASING TO 5200-5700 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
SMOKE DISPERSAL.....480-900 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.02 IN.
SATURDAY NIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....54-59.
24 HR TREND......11 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 8 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......4900-5400 FT AGL DECREASING TO 0-400 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....820 (EXCELLENT) DECREASING TO 40 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 2 PM.
CHANCE OF PCPN......30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....80-85.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........42-47 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 6 TO 11 MPH. GUSTS UP TO 22 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......3800-4300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....360-600 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.23 IN.
MIZ065>067-072>074-080830-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
148 PM EDT FRI AUG 7 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). CHANCE OF
SHOWERS UNTIL 10 PM. CHANCE OF THUNDERSTORMS
UNTIL 11 PM. AREAS OF FOG AFTER 10 PM.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 67.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......4500-5000 FT AGL DECREASING TO 200-700 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....50-550 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.10 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG UNTIL
7 AM. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL 1 PM.
CHANCE OF PCPN......20 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....79-84.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......11 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 7 TO 12 MPH. GUSTS UP TO 21 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2400-2900 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....470-860 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.03 IN.
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 55.
24 HR TREND......11 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......WEST WINDS AROUND 7 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......4200-4700 FT AGL DECREASING TO 0-400 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 15 MPH DECREASING TO AROUND 5 MPH
AFTER MIDNIGHT.
SMOKE DISPERSAL.....780 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) UNTIL 3 PM, THEN PARTLY
SUNNY (50-60 PERCENT). CHANCE OF RAIN SHOWERS
AFTER 2 PM.
CHANCE OF PCPN......30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 83.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........39-44 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 9 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......3700-4200 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....330-550 (GOOD).
PCPN AMOUNT.........0.01-0.25 IN.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT. LOWS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS.
SHOWERS LIKELY IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. WEST WINDS 5 TO 9 MPH IN THE
EVENING BECOMING LIGHT.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE UPPER
70S. NORTH WINDS 5 TO 6 MPH SHIFTING TO THE WEST 5 TO 8 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING.
LOWS IN THE UPPER 50S. NORTH WINDS 5 TO 6 MPH IN THE EVENING
BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST 5 TO 8 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
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