044
FNUS53 KGRR 070913
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
513 AM EDT FRI AUG 7 2026
..SCATTERED THUNDERSTORMS THIS AFTERNOON AND TONIGHT
DISCUSSION
SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING
ESPECIALLY OVER SOUTH CENTRAL LOWER MICHIGAN. TONIGHT CHANCES FOR
SHOWERS AND STORMS WILL BE FOCUSED OVER WESTERN LOWER MICHIGAN
TOWARDS LAKE MICHIGAN. ADDITIONAL THUNDERSTORM CHANCES ARE IN THE
FORECAST FOR SUNDAY INTO MONDAY. HIGH TEMPERATURES ARE EXPECTED TO
REACH THE 80S TODAY.
MIZ037>039-043>045-072030-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
513 AM EDT FRI AUG 7 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....80-85.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........67-72 PERCENT NEAR LAKE MICHIGAN AND 57-62
PERCENT INLAND.
24 HR TREND......15 PERCENT WETTER NEAR LAKE MICHIGAN AND 7
PERCENT WETTER INLAND.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 8 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2400-2900 FT AGL.
MIXING HEIGHT.......INLAND, 1900-2400 FT AGL INCREASING TO
4300-4800 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....250-750 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.05 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) UNTIL 3 AM, THEN
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 11 PM UNTIL 5 AM. CHANCE OF
SHOWERS AFTER 11 PM.
CHANCE OF PCPN......30 PERCENT IN THE LATE EVENING AND
OVERNIGHT.
MIN TEMPERATURE.....61-66.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........100 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, 3700-4200 FT AGL DECREASING TO 100-600
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....770 (EXCELLENT) DECREASING TO 60 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.06 IN.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) UNTIL 3 PM, THEN
SUNNY (5-15 PERCENT). CHANCE OF SHOWERS UNTIL 9
AM.
CHANCE OF PCPN......30 PERCENT IN THE MORNING.
MAX TEMPERATURE.....77-82.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........52-57 PERCENT NEAR LAKE MICHIGAN AND 42-47
PERCENT INLAND.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 6 TO 11 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2600-3100 FT AGL.
MIXING HEIGHT.......INLAND, 1900-2400 FT AGL INCREASING TO
4600-5100 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....330-850 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.03 IN.
MIZ040-046-072030-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
513 AM EDT FRI AUG 7 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG AFTER
7 AM UNTIL 8 AM. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER 2 PM.
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 84.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........57-62 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2200-2700 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....250-690 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.02 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 8 PM.
CHANCE OF PCPN......20 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....60-65.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......4100-4600 FT AGL DECREASING TO 300-800 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....710 (EXCELLENT) DECREASING TO 60 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.01 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....79-84.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........41-46 PERCENT.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......2500-3000 FT AGL INCREASING TO 5300-5800 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....440-960 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.02 IN.
MIZ050-056-064-071-072030-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
513 AM EDT FRI AUG 7 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) UNTIL 12 PM, THEN
MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER 2 PM.
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....79-84.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........65-70 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 8 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2200-2700 FT AGL.
MIXING HEIGHT.......INLAND, 2000-2500 FT AGL INCREASING TO
4300-4800 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....250-530 (FAIR TO GOOD).
PCPN AMOUNT.........NONE TO 0.04 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 66.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1200-1700 FT AGL.
MIXING HEIGHT.......INLAND, 3900-4400 FT AGL DECREASING TO 500-1000
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....70-480 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.05 IN.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) UNTIL 3 PM, THEN
SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....76-81.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........58-63 PERCENT NEAR LAKE MICHIGAN AND 49-54
PERCENT INLAND.
24 HR TREND......10 PERCENT DRIER NEAR LAKE MICHIGAN AND 11
PERCENT DRIER INLAND.
20-FOOT WINDS.......WEST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2700-3200 FT AGL.
MIXING HEIGHT.......INLAND, 1900-2400 FT AGL INCREASING TO
4200-4700 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....300-660 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.06 IN.
MIZ051-052-057>059-072030-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
513 AM EDT FRI AUG 7 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). PATCHY FOG AFTER
7 AM UNTIL 8 AM. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER 2 PM.
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 83.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........61-66 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......2300-2800 FT AGL INCREASING TO 4400-4900 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....240-600 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.08 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 67.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......3900-4400 FT AGL DECREASING TO 600-1100 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....50-560 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.04 IN.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) UNTIL 3 PM, THEN
SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....80-85.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......14 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 9 TO 14 MPH. GUSTS UP TO 24 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2400-2900 FT AGL INCREASING TO 5300-5800 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....440-940 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.01 IN.
MIZ065>067-072>074-072030-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
513 AM EDT FRI AUG 7 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). PATCHY FOG UNTIL
9 AM. CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER 2 PM.
CHANCE OF PCPN......30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 83.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........58-63 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 8 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2200-2700 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....200-510 (FAIR TO GOOD).
PCPN AMOUNT.........NONE TO 0.09 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 11 PM.
CHANCE OF PCPN......30 PERCENT IN THE EVENING.
MIN TEMPERATURE.....AROUND 67.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......3900-4400 FT AGL DECREASING TO 700-1200 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....60-460 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.12 IN.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT) UNTIL 3 PM, THEN
SUNNY (15-25 PERCENT). CHANCE OF SHOWERS UNTIL
2 PM.
CHANCE OF PCPN......40 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....80-85.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......18 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 7 TO 12 MPH. GUSTS UP TO 21 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2300-2800 FT AGL INCREASING TO 4600-5100 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....380-820 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.09 IN.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
5 TO 9 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
PARTLY SUNNY. CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN
THE LOWER 80S. SOUTHWEST WINDS 6 TO 11 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS 5 TO 7 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. CHANCE OF
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. WEST WINDS 5 TO 9 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 9 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING.
LOWS IN THE UPPER 50S.
WEDNESDAY
PARTLY SUNNY. CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS
IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page