999
FNUS53 KGRR 060859
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
459 AM EDT THU AUG 6 2026
..ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS
DISCUSSION
THIS MORNING, AREAS OF FOG WILL LIFT WITH MOSTLY CLOUDY SKIES
EXPECTED THROUGH MOST OF THE DAY. SOME POP UP SHOWERS AND
THUNDERSTORMS WILL BE POSSIBLE (20 TO 30 PERCENT CHANCE) DURING THE
AFTERNOON AND EARLY EVENING. NOT EVERYONE WILL SEE RAIN DUE TO THE
ISOLATED TO SCATTERED NATURE OF THESE SHOWERS AND THUNDERSTORMS.
SIMILAR CONDITIONS ARE EXPECTED FRIDAY. ANY THUNDERSTORM WILL BE
CAPABLE OF BRIEF HEAVY DOWNPOURS.
WINDS WILL BE LIGHT TODAY WITH A LAKE BREEZE DEVELOPING THIS
AFTERNOON. WINDS WILL BE A LITTLE HIGHER TOMORROW AROUND 5 TO 15 MPH
FROM THE SOUTHWEST. MINIMUM RELATIVE HUMIDITY VALUES WILL BE ABOVE 40
PERCENT THROUGH THE WEEKEND.
MIZ037>039-043>045-062015-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
459 AM EDT THU AUG 6 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). PATCHY FOG UNTIL
10 AM. SLIGHT CHANCE OF RAIN SHOWERS AFTER 12
PM. SLIGHT CHANCE OF THUNDERSTORMS AFTER 2 PM.
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....78-83.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........53-58 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2800-3300 FT AGL.
MIXING HEIGHT.......INLAND, 1900-2400 FT AGL INCREASING TO
4500-5000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
SMOKE DISPERSAL.....100-280 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.29 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). PATCHY FOG AFTER
5 AM.
MIN TEMPERATURE.....57-62.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......LIGHT WINDS.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1600-2100 FT AGL.
MIXING HEIGHT.......INLAND, 3700-4200 FT AGL DECREASING TO 400-900
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
SMOKE DISPERSAL.....40-240 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.14 IN.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG UNTIL
9 AM.
MAX TEMPERATURE.....79-84.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........63-68 PERCENT NEAR LAKE MICHIGAN AND 53-58
PERCENT INLAND.
24 HR TREND......5 PERCENT WETTER NEAR LAKE MICHIGAN AND 2
PERCENT DRIER INLAND.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2400-2900 FT AGL.
MIXING HEIGHT.......INLAND, 2300-2800 FT AGL INCREASING TO
5100-5600 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....240-770 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.01 IN.
MIZ040-046-062015-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
459 AM EDT THU AUG 6 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). PATCHY FOG UNTIL
10 AM. CHANCE OF SHOWERS AFTER 7 AM. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 11 AM.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 80.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........58-63 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS.
MIXING HEIGHT.......1800-2300 FT AGL INCREASING TO 3800-4300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHWEST IN
THE AFTERNOON.
SMOKE DISPERSAL.....90-280 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.05 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). PATCHY FOG AFTER
3 AM.
MIN TEMPERATURE.....57-62.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......LIGHT WINDS.
MIXING HEIGHT.......3200-3700 FT AGL DECREASING TO 100-600 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
SMOKE DISPERSAL.....30-260 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.02 IN.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) UNTIL 12 PM, THEN
MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG UNTIL
9 AM.
MAX TEMPERATURE.....AROUND 83.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........53-58 PERCENT.
24 HR TREND......10 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 6 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2200-2700 FT AGL INCREASING TO 5800-6300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....220-780 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.10 IN.
MIZ050-056-064-071-062015-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
459 AM EDT THU AUG 6 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). PATCHY FOG UNTIL
10 AM. CHANCE OF SHOWERS. CHANCE OF
THUNDERSTORMS AFTER 11 AM.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....76-81.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........65-70 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2000-2500 FT AGL NEAR LAKE MICHIGAN AND
3100-3600 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
SMOKE DISPERSAL.....100-220 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.13 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 9 PM. PATCHY
FOG AFTER 5 AM.
CHANCE OF PCPN......20 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....60-65.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......LIGHT WINDS.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1500-2000 FT AGL.
MIXING HEIGHT.......INLAND, 2800-3300 FT AGL DECREASING TO 400-900
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
SMOKE DISPERSAL.....50-180 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.05 IN.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG UNTIL
9 AM.
MAX TEMPERATURE.....78-83.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........65-70 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 6 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2300-2800 FT AGL.
MIXING HEIGHT.......INLAND, 2200-2700 FT AGL INCREASING TO
4300-4800 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....190-520 (FAIR TO GOOD).
PCPN AMOUNT.........NONE TO 0.14 IN.
MIZ051-052-057>059-062015-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
459 AM EDT THU AUG 6 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). PATCHY FOG UNTIL
10 AM. CHANCE OF SHOWERS. CHANCE OF
THUNDERSTORMS AFTER 11 AM.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 81.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........65-70 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......3100-3600 FT AGL.
TRANSPORT WINDS.....WEST AROUND 5 MPH.
SMOKE DISPERSAL.....120-280 (POOR TO FAIR).
PCPN AMOUNT.........0.02-0.31 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 9 PM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....61-66.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS UP TO 5 MPH.
MIXING HEIGHT.......2800-3300 FT AGL DECREASING TO 500-1000 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
SMOKE DISPERSAL.....60-250 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.14 IN.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG UNTIL
9 AM.
MAX TEMPERATURE.....AROUND 83.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........57-62 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2000-2500 FT AGL INCREASING TO 5700-6200 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....240-720 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.05 IN.
MIZ065>067-072>074-062015-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
459 AM EDT THU AUG 6 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG UNTIL
10 AM. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 8
AM. CHANCE OF SHOWERS. CHANCE OF THUNDERSTORMS
AFTER 11 AM.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....79-84.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........60-65 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 6 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3100-3600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....170-340 (FAIR TO GOOD).
PCPN AMOUNT.........0.02-0.22 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 10 PM. PATCHY
FOG AFTER 5 AM.
CHANCE OF PCPN......30 PERCENT IN THE EVENING.
MIN TEMPERATURE.....AROUND 65.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS UP TO 5 MPH.
MIXING HEIGHT.......2700-3200 FT AGL DECREASING TO 400-900 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
SMOKE DISPERSAL.....40-270 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.16 IN.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 3 PM, THEN
MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG UNTIL
9 AM. CHANCE OF SHOWERS AFTER 12 PM. CHANCE
OF THUNDERSTORMS AFTER 1 PM.
CHANCE OF PCPN......30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 83.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........57-62 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1600-2100 FT AGL INCREASING TO 4700-5200 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....230-640 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.20 IN.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST WINDS
5 TO 9 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 6 TO
11 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. WEST WINDS 5 TO
9 MPH SHIFTING TO THE SOUTHWEST UP TO 5 MPH AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
80S. SOUTHWEST WINDS 6 TO 11 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 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 6 TO 11 MPH.
MONDAY NIGHT
PARTLY CLOUDY. SHOWERS LIKELY IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
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