761
FNUS53 KGRR 161848
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
248 PM EDT WED SEP 16 2026
..CHANCE OF RAIN SHOWERS TONIGHT AND RAIN LIKELY SATURDAY
DISCUSSION
A FEW MOSTLY LIGHT RAIN SHOWERS PERSIST OVER SOUTHERN MICHIGAN
THIS AFTERNOON AND MAY POP UP BRIEFLY OVER ANY PART OF CENTRAL OR
SOUTHERN MICHIGAN TONIGHT INTO THURSDAY MORNING. SKIES MAY PARTLY
CLEAR IN CENTRAL MICHIGAN THURSDAY AFTERNOON, AND PARTLY SUNNY
SKIES ARE EXPECTED MAINLY EARLIER IN THE DAY ON FRIDAY. A SOAKING
RAIN AND EMBEDDED THUNDERSTORMS ARE LIKELY FRIDAY NIGHT INTO A
PORTION OF THE DAY SATURDAY.
MIZ037>039-043>045-170830-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
248 PM EDT WED SEP 16 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (65-75 PERCENT) UNTIL 3 AM, THEN
MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 11 PM. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 2 AM UNTIL 5 AM.
CHANCE OF PCPN......30 PERCENT IN THE LATE EVENING AND OVERNIGHT.
MIN TEMPERATURE.....49-54.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........98 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......2800-3300 FT AGL DECREASING TO 800-1300 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....90-210 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.07 IN.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF RAIN
SHOWERS UNTIL 11 AM.
CHANCE OF PCPN......30 PERCENT IN THE MORNING.
MAX TEMPERATURE.....71-76.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........64-69 PERCENT NEAR LAKE MICHIGAN AND 52-57
PERCENT INLAND.
24 HR TREND......2 PERCENT DRIER NEAR LAKE MICHIGAN AND 7
PERCENT WETTER INLAND.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2400-2900 FT AGL.
INLAND, 800-1300 FT AGL INCREASING TO 3400-3900
FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 5 MPH.
SMOKE DISPERSAL.....100-220 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.08 IN.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....45-50.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1500-2000 FT AGL.
INLAND, 2700-3200 FT AGL DECREASING TO 0-400 FT
AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH.
SMOKE DISPERSAL.....50-210 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....69-74.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........51-56 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......1900-2400 FT AGL INCREASING TO 4300-4800 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....250-450 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
MIZ040-046-170830-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
248 PM EDT WED SEP 16 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (55-65 PERCENT) UNTIL 3 AM, THEN
MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 2 AM UNTIL 5 AM. SLIGHT
CHANCE OF RAIN SHOWERS AFTER 2 AM.
CHANCE OF PCPN......20 PERCENT AFTER MIDNIGHT.
MIN TEMPERATURE.....47-52.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......2900-3400 FT AGL DECREASING TO 600-1100 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
SMOKE DISPERSAL.....60-210 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.05 IN.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) UNTIL 9 AM, THEN
MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS UNTIL 11 AM.
CHANCE OF PCPN......20 PERCENT IN THE MORNING.
MAX TEMPERATURE.....AROUND 74.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........51-56 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......900-1400 FT AGL INCREASING TO 3500-4000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.
SMOKE DISPERSAL.....100-210 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.04 IN.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....43-48.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH.
MIXING HEIGHT.......3000-3500 FT AGL DECREASING TO 0-400 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
SMOKE DISPERSAL.....40-190 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....69-74.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........51-56 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......LIGHT WINDS BECOMING EAST AROUND 6 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 3900-4400 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....250-440 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
MIZ050-056-064-071-170830-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
248 PM EDT WED SEP 16 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER 8
PM.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....57-62.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....60-160 (POOR TO FAIR).
PCPN AMOUNT.........0.02-0.19 IN.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 8 AM. CHANCE OF RAIN
SHOWERS UNTIL 2 PM.
CHANCE OF PCPN......30 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....74-79.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........62-67 PERCENT.
24 HR TREND......8 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2000-2500 FT AGL.
INLAND, 700-1200 FT AGL INCREASING TO 2900-3400
FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.
SMOKE DISPERSAL.....100-220 (POOR TO FAIR).
PCPN AMOUNT.........0.01-0.16 IN.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MIN TEMPERATURE.....52-57.
24 HR TREND......7 DEGREES COOLER.
MAX HUMIDITY........98 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......2100-2600 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....60-150 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....72-77.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........50-55 PERCENT.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......2000-2500 FT AGL INCREASING TO 4300-4800 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....320-540 (GOOD).
PCPN AMOUNT.........NONE.
MIZ051-052-057>059-170830-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
248 PM EDT WED SEP 16 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER
11 PM.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....55-60.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1800-2300 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....100-200 (POOR TO FAIR).
PCPN AMOUNT.........0.03-0.15 IN.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) UNTIL 3 PM, THEN
MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 8 AM. CHANCE OF RAIN
SHOWERS UNTIL 11 AM.
CHANCE OF PCPN......30 PERCENT IN THE MORNING.
MAX TEMPERATURE.....AROUND 76.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........59-64 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......800-1300 FT AGL INCREASING TO 2800-3300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....100-240 (POOR TO FAIR).
PCPN AMOUNT.........0.02-0.15 IN.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....50-55.
24 HR TREND......7 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH.
MIXING HEIGHT.......2500-3000 FT AGL DECREASING TO 500-1000 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....100-190 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 74.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........55-60 PERCENT.
24 HR TREND......10 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 4200-4700 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....270-480 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
MIZ065>067-072>074-170830-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
248 PM EDT WED SEP 16 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER 8
PM.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....59-64.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......1100-1600 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
SMOKE DISPERSAL.....90-130 (POOR TO FAIR).
PCPN AMOUNT.........0.09-0.26 IN.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 8 AM. CHANCE OF RAIN
SHOWERS UNTIL 2 PM.
CHANCE OF PCPN......30 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....AROUND 76.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........68-73 PERCENT.
24 HR TREND......8 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING NORTH AROUND 5 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......2100-2600 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.
SMOKE DISPERSAL.....80-200 (POOR TO FAIR).
PCPN AMOUNT.........0.03-0.13 IN.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MIN TEMPERATURE.....53-58.
24 HR TREND......7 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH.
MIXING HEIGHT.......1900-2400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....70-170 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 75.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........55-60 PERCENT.
24 HR TREND......15 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1900-2400 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....300-540 (GOOD).
PCPN AMOUNT.........NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. EAST WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS
IN THE UPPER 60S. SOUTHEAST WINDS 6 TO 11 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS.
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE UPPER
60S. NORTHEAST WINDS 7 TO 12 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. NORTHEAST WINDS 6 TO 11 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
60S. EAST WINDS 7 TO 12 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
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