906
FNUS53 KGRR 231959
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
359 PM EDT FRI OCT 23 2026
..DRY CONDITIONS CONTINUE
DISCUSSION
OUR STRETCH OF NICE WEATHER CONTINUES WITH HIGHS IN THE 60S TO AROUND
70 AND LOWS IN THE UPPER 30S THROUGH 40S THROUGH THE WEEKEND. FOG IS
EXPECTED TO DEVELOP OVERNIGHT INTO SATURDAY MORNING WITH THE BEST
CHANCES ALONG AND EAST OF US-131. ANOTHER ROUND OF FOG IS POSSIBLE
SUNDAY AS WELL. MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO BE
IN THE 40S AND 50S.
MIZ037>039-043>045-240815-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
359 PM EDT FRI OCT 23 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). PATCHY FOG AFTER
9 PM.
MIN TEMPERATURE.....38-43.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......800-1300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....50-60 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG UNTIL
10 AM.
MAX TEMPERATURE.....63-68.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........56-61 PERCENT NEAR LAKE MICHIGAN AND 45-50
PERCENT INLAND.
24 HR TREND......5 PERCENT WETTER NEAR LAKE MICHIGAN AND 3
PERCENT WETTER INLAND.
20-FOOT WINDS.......SOUTH WINDS 5 TO 9 MPH.
MIXING HEIGHT.......500-1000 FT AGL INCREASING TO 2600-3100 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....120-420 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). PATCHY FOG AFTER
2 AM.
MIN TEMPERATURE.....43-48.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........91-96 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 5 TO 8 MPH.
MIXING HEIGHT.......900-1400 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....70-150 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). PATCHY FOG UNTIL
9 AM.
MAX TEMPERATURE.....65-70.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........61-66 PERCENT NEAR LAKE MICHIGAN AND 49-54
PERCENT INLAND.
24 HR TREND......7 PERCENT WETTER NEAR LAKE MICHIGAN AND 1
PERCENT WETTER INLAND.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......1100-1600 FT AGL NEAR LAKE MICHIGAN AND
2000-2500 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....180-360 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
MIZ040-046-240815-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
359 PM EDT FRI OCT 23 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). AREAS OF FOG
AFTER 10 PM UNTIL 4 AM. WIDESPREAD FOG AFTER 4
AM.
MIN TEMPERATURE.....37-42.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS UP TO 5 MPH.
MIXING HEIGHT.......700-1200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
SMOKE DISPERSAL.....50-60 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). WIDESPREAD FOG
UNTIL 8 AM, THEN AREAS OF FOG UNTIL 12 PM.
MAX TEMPERATURE.....AROUND 66.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........42-47 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 7 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......2300-2800 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....90-300 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). PATCHY FOG AFTER
2 AM.
MIN TEMPERATURE.....41-46.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......400-900 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....50-80 (POOR).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). PATCHY FOG UNTIL
10 AM.
MAX TEMPERATURE.....AROUND 70.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........39-44 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......2200-2700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....140-370 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
MIZ050-056-064-071-240815-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
359 PM EDT FRI OCT 23 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). PATCHY FOG AFTER
10 PM.
MIN TEMPERATURE.....43-48.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......900-1400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....50 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG UNTIL
9 AM.
MAX TEMPERATURE.....65-70.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........52-57 PERCENT NEAR LAKE MICHIGAN AND 44-49
PERCENT INLAND.
24 HR TREND......7 PERCENT WETTER NEAR LAKE MICHIGAN AND 2
PERCENT WETTER INLAND.
20-FOOT WINDS.......SOUTH WINDS 5 TO 8 MPH.
MIXING HEIGHT.......500-1000 FT AGL INCREASING TO 2900-3400 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....100-320 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). PATCHY FOG AFTER
2 AM.
MIN TEMPERATURE.....45-50.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........88-93 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH AFTER
MIDNIGHT.
MIXING HEIGHT.......600-1100 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....60-80 (POOR).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG UNTIL
10 AM.
MAX TEMPERATURE.....68-73.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........53-58 PERCENT NEAR LAKE MICHIGAN AND 41-46
PERCENT INLAND.
24 HR TREND......UNCHANGED NEAR LAKE MICHIGAN AND 2 PERCENT
WETTER INLAND.
20-FOOT WINDS.......SOUTH WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1400-1900 FT AGL NEAR LAKE MICHIGAN AND
2500-3000 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....140-300 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
MIZ051-052-057>059-240815-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
359 PM EDT FRI OCT 23 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). PATCHY FOG AFTER
11 PM.
MIN TEMPERATURE.....AROUND 43.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......900-1400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....60-70 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). PATCHY FOG UNTIL
11 AM.
MAX TEMPERATURE.....AROUND 68.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........42-47 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 6 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......500-1000 FT AGL INCREASING TO 2800-3300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....70-290 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). PATCHY FOG AFTER
2 AM.
MIN TEMPERATURE.....43-48.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH AFTER
MIDNIGHT.
MIXING HEIGHT.......400-900 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....50 (POOR).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). PATCHY FOG UNTIL
9 AM.
MAX TEMPERATURE.....AROUND 70.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........39-44 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......2300-2800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....110-320 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
MIZ065>067-072>074-240815-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
359 PM EDT FRI OCT 23 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). PATCHY FOG AFTER
9 PM.
MIN TEMPERATURE.....39-44.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......1000-1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....50-70 (POOR).
PCPN AMOUNT.........NONE.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). AREAS OF FOG
UNTIL 12 PM.
MAX TEMPERATURE.....AROUND 68.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........37-42 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 2800-3300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
SMOKE DISPERSAL.....70-250 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). PATCHY FOG AFTER
2 AM.
MIN TEMPERATURE.....41-46.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......600-1100 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....50 (POOR).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG UNTIL
11 AM.
MAX TEMPERATURE.....AROUND 71.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........36-41 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 2800-3300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....100-330 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS
5 TO 6 MPH IN THE EVENING BECOMING LIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO
9 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTHEAST WINDS 5 TO
9 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS 5 TO 9 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
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