151
FNUS53 KGRR 230811
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
411 AM EDT WED SEP 23 2026
..MAINLY DRY WITH MODERATING TEMPERATURES INTO NEXT WEEK
DISCUSSION
LOW PRESSURE THAT HAS BEEN OVER THE REGION THE LAST
FEW DAYS WILL MOVE OUT OF THE AREA BY THURSDAY. A LARGE AND STRONG
AREA OF HIGH PRESSURE WILL BUILD OVER THE AREA BEGINNING THURSDAY,
AND WILL HOLD OVER THE AREA THROUGH AT LEAST MONDAY.
MIZ037>039-043>045-232015-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
411 AM EDT WED SEP 23 2026
TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....66-71.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........49-54 PERCENT.
24 HR TREND......15 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 7 TO 12 MPH WITH HIGHER GUSTS.
MIXING HEIGHT.......2300-2800 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....480-870 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....40-45.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......4100-4600 FT AGL DECREASING TO 600-1100 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....780 (EXCELLENT) DECREASING TO 70 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....66-71.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........46-51 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......2000-2500 FT AGL INCREASING TO 4600-5100 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....360-650 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
MIZ040-046-232015-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
411 AM EDT WED SEP 23 2026
TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 67.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........54-59 PERCENT.
24 HR TREND......18 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 8 TO 13 MPH.
MIXING HEIGHT.......4500-5000 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
SMOKE DISPERSAL.....570-890 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....37-42.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS AROUND 9 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......3700-4200 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....750 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 69.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........49-54 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......4300-4800 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....440-650 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
MIZ050-056-064-071-232015-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
411 AM EDT WED SEP 23 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....64-69.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........57-62 PERCENT.
24 HR TREND......18 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 9 TO 14 MPH WITH HIGHER GUSTS.
MIXING HEIGHT.......1400-1900 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
SMOKE DISPERSAL.....300-810 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....46-51.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......3600-4100 FT AGL DECREASING TO 400-900 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....60-610 (POOR TO EXCELLENT).
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 69.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........55-60 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......1900-2400 FT AGL INCREASING TO 4300-4800 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....360-650 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
MIZ051-052-057>059-232015-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
411 AM EDT WED SEP 23 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....64-69.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........57-62 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 11 TO 16 MPH WITH HIGHER GUSTS.
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 4600-5100 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
SMOKE DISPERSAL.....380 (GOOD) INCREASING TO 960 (EXCELLENT) IN THE
AFTERNOON.
PCPN AMOUNT.........NONE.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....43-48.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........98 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH. GUSTS UP TO 22 MPH IN
THE EVENING.
MIXING HEIGHT.......3900-4400 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....760 (EXCELLENT) DECREASING TO 60 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 68.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........53-58 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 7 TO 12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2100-2600 FT AGL INCREASING TO 4300-4800 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....330-650 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
MIZ065>067-072>074-232015-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
411 AM EDT WED SEP 23 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 65.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........56-61 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 9 TO 14 MPH WITH HIGHER GUSTS.
MIXING HEIGHT.......1800-2300 FT AGL INCREASING TO 4100-4600 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
SMOKE DISPERSAL.....450-880 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 48.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........98 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
MIXING HEIGHT.......3200-3700 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....60-540 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 67.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........54-59 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH.
MIXING HEIGHT.......4200-4700 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....500-660 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
5 TO 6 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO 6 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST WINDS
UP TO 5 MPH IN THE EVENING BECOMING LIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS UP TO 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS BECOMING
NORTHEAST UP TO 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
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