993
FNUS53 KGRR 151913
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
313 PM EDT FRI AUG 15 2025
..HOT/HUMID/STORMS POSSIBLE
DISCUSSION
A HOT AND HUMID SATURDAY IS EXPECTED. SEVERAL ROUNDS
OF SHOWERS AND THUNDERSTORMS ARE ALSO POSSIBLE THROUGH TUESDAY.
GIVEN THE HIGH PRECIPITABLE WATER AMOUNTS AVAILABLE, LOCALLY
HEAVY RAINFALL IS POSSIBLE.
MIZ037>039-043>045-160815-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
313 PM EDT FRI AUG 15 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....61-66.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......700-1200 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....50-70 (POOR).
PCPN AMOUNT.........NONE TO 0.05 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....83-88.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........65-70 PERCENT NEAR LAKE MICHIGAN AND 57-62
PERCENT INLAND.
24 HR TREND......23 PERCENT WETTER NEAR LAKE MICHIGAN AND 25
PERCENT WETTER INLAND.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1600-2100 FT AGL NEAR LAKE MICHIGAN AND
3500-4000 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....630 (EXCELLENT).
PCPN AMOUNT.........NONE TO 0.43 IN.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). SHOWERS LIKELY
UNTIL 2 AM. CHANCE OF THUNDERSTORMS. CHANCE OF
SHOWERS AFTER 2 AM.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....62-67.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTH WINDS 5 TO 7 MPH.
MIXING HEIGHT.......1100-1600 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....70-130 (POOR TO FAIR).
PCPN AMOUNT.........0.11-0.46 IN.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....79-84.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........58-63 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......2600-3100 FT AGL NEAR LAKE MICHIGAN AND
3500-4000 FT AGL INLAND.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....260-380 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
MIZ040-046-160815-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
313 PM EDT FRI AUG 15 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
MIN TEMPERATURE.....60-65.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......900-1400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
SMOKE DISPERSAL.....40-90 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
AFTER 10 AM. CHANCE OF THUNDERSTORMS AFTER 2
PM.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 88.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........48-53 PERCENT.
24 HR TREND......20 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......5200-5700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....680-740 (EXCELLENT).
PCPN AMOUNT.........0.03-0.41 IN.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). SHOWERS LIKELY
UNTIL 2 AM. CHANCE OF THUNDERSTORMS. CHANCE OF
SHOWERS AFTER 2 AM.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....60-65.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........99 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHWEST WINDS UP TO 5 MPH.
MIXING HEIGHT.......800-1300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....60-100 (POOR).
PCPN AMOUNT.........0.11-0.17 IN.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....76-81.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........62-67 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......3200-3700 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE NORTHEAST
IN THE AFTERNOON.
SMOKE DISPERSAL.....340-410 (GOOD).
PCPN AMOUNT.........NONE.
MIZ050-056-064-071-160815-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
313 PM EDT FRI AUG 15 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
MIN TEMPERATURE.....68-73.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......400-900 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....50 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS
AFTER 9 AM UNTIL 6 PM. CHANCE OF THUNDERSTORMS
AFTER 9 AM UNTIL 7 PM.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....85-90.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........57-62 PERCENT.
24 HR TREND......21 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......1500-2000 FT AGL NEAR LAKE MICHIGAN AND
3400-3900 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....440-530 (GOOD).
PCPN AMOUNT.........NONE TO 0.69 IN.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
CHANCE OF PCPN......50 PERCENT.
MIN TEMPERATURE.....AROUND 69.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......700-1200 FT AGL.
TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE NORTHWEST
OVERNIGHT.
SMOKE DISPERSAL.....70-110 (POOR).
PCPN AMOUNT.........0.15-0.62 IN.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....84-89.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........61-66 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS 5 TO 8 MPH.
MIXING HEIGHT.......2400-2900 FT AGL NEAR LAKE MICHIGAN AND
3400-3900 FT AGL INLAND.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
SMOKE DISPERSAL.....280-350 (FAIR TO GOOD).
PCPN AMOUNT.........NONE TO 0.15 IN.
MIZ051-052-057>059-160815-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
313 PM EDT FRI AUG 15 2025
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT) UNTIL 2 AM, THEN PARTLY
CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....64-69.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......1200-1700 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....40-50 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER 11 AM.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 88.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........54-59 PERCENT.
24 HR TREND......19 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......4900-5400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....640-770 (EXCELLENT).
PCPN AMOUNT.........0.02-0.47 IN.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 5 AM, THEN
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
CHANCE OF PCPN......50 PERCENT.
MIN TEMPERATURE.....AROUND 69.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........99 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......1000-1500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....60-100 (POOR).
PCPN AMOUNT.........0.10-0.56 IN.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
MAX TEMPERATURE.....81-86.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........65-70 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......3600-4100 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE NORTHEAST
IN THE AFTERNOON.
SMOKE DISPERSAL.....310-400 (GOOD).
PCPN AMOUNT.........NONE TO 0.04 IN.
MIZ065>067-072>074-160815-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
313 PM EDT FRI AUG 15 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....65-70.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......800-1300 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....40-50 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER 11 AM.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 89.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........57-62 PERCENT.
24 HR TREND......20 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......5400-5900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....570-670 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.69 IN.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) UNTIL 5 AM, THEN
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
CHANCE OF PCPN......50 PERCENT.
MIN TEMPERATURE.....AROUND 68.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......LIGHT WINDS.
MIXING HEIGHT.......500-1000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....60 (POOR).
PCPN AMOUNT.........0.08-0.67 IN.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF
SHOWERS.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....82-87.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........63-68 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH.
MIXING HEIGHT.......3800-4300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....320-440 (GOOD).
PCPN AMOUNT.........NONE TO 0.10 IN.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. LOWS IN THE LOWER 60S. EAST WINDS 5 TO
9 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.
HIGHS AROUND 80. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. CHANCE
OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY OVERNIGHT. LOWS IN
THE MID 60S. SOUTHEAST WINDS 5 TO 9 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.
HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 5 TO 8 MPH SHIFTING TO THE
NORTHEAST 5 TO 9 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS 5 TO
9 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
5 TO 9 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S.
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