497
FNUS53 KGRR 151931
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
331 PM EDT WED JUL 15 2026
..HOT AND DRY ON THURSDAY WITH WILDFIRE SMOKE
DISCUSSION
ONTARIO FOREST FIRE SMOKE IS EXPECTED TO BLANKET ALL OF MICHIGAN
ON THURSDAY WITH AN AIR QUALITY INDEX IN THE UNHEALTHY RANGE.
IT WILL STILL BE A FAIRLY HOT DAY THURSDAY, BUT DEW POINTS WILL
BE LOWER THAN ON WEDNESDAY, AND THIS MAY KNOCK AFTERNOON RH DOWN
BELOW 30 PERCENT IN SOME AREAS. A LIGHT NORTHWEST BREEZE IS
EXPECTED DURING THE AFTERNOON. SCATTERED SHOWERS OR THUNDERSTORMS
ARE POSSIBLE FRIDAY INTO SATURDAY. SATURDAY WILL BE MORE HUMID
BUT QUITE BREEZY.
MIZ037>039-043>045-160830-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
331 PM EDT WED JUL 15 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SMOKE.
MIN TEMPERATURE.....AROUND 69 NEAR LAKE MICHIGAN AND 61-66 INLAND.
24 HR TREND......6 DEGREES COOLER NEAR LAKE MICHIGAN AND 7
DEGREES COOLER INLAND.
MAX HUMIDITY........74-79 PERCENT.
24 HR TREND......23 PERCENT DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 8 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 900-1400 FT AGL.
INLAND, 5600-6100 FT AGL DECREASING TO 0-400 FT
AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH.
SMOKE DISPERSAL.....860 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT). SMOKE.
MAX TEMPERATURE.....88-93.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........37-42 PERCENT NEAR LAKE MICHIGAN AND 27-32
PERCENT INLAND.
24 HR TREND......14 PERCENT DRIER NEAR LAKE MICHIGAN AND 2
PERCENT DRIER INLAND.
20-FOOT WINDS.......LIGHT WINDS BECOMING NORTHWEST AROUND 6 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2500-3000 FT AGL.
INLAND, 2300-2800 FT AGL INCREASING TO
6300-6800 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
SMOKE DISPERSAL.....270-780 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). SMOKE.
MIN TEMPERATURE.....59-64.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........73-78 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1500-2000 FT AGL.
INLAND, 5700-6200 FT AGL DECREASING TO 0-500 FT
AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE EAST AFTER
MIDNIGHT.
SMOKE DISPERSAL.....680 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SMOKE POSSIBLE.
MAX TEMPERATURE.....86-91.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........47-52 PERCENT NEAR LAKE MICHIGAN AND 39-44
PERCENT INLAND.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1800-2300 FT AGL.
INLAND, 1700-2200 FT AGL INCREASING TO
6900-7400 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
SMOKE DISPERSAL.....220 (FAIR) INCREASING TO 920 (EXCELLENT) IN THE
AFTERNOON.
PCPN AMOUNT.........NONE TO 0.01 IN.
MIZ040-046-160830-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
331 PM EDT WED JUL 15 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SMOKE.
MIN TEMPERATURE.....58-63.
24 HR TREND......8 DEGREES COOLER.
MAX HUMIDITY........73-78 PERCENT.
24 HR TREND......18 PERCENT DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 8 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......6500-7000 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
SMOKE DISPERSAL.....910 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT). SMOKE.
MAX TEMPERATURE.....87-92.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........29 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2900-3400 FT AGL INCREASING TO 7000-7500 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....350-880 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). SMOKE.
MIN TEMPERATURE.....58-63.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........76-81 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......6700-7200 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE EAST AFTER
MIDNIGHT.
SMOKE DISPERSAL.....790 (EXCELLENT) DECREASING TO 40 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SMOKE POSSIBLE.
MAX TEMPERATURE.....86-91.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........38-43 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......1800-2300 FT AGL INCREASING TO 6200-6700 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
SMOKE DISPERSAL.....220 (FAIR) INCREASING TO 910 (EXCELLENT) IN THE
AFTERNOON.
PCPN AMOUNT.........NONE.
MIZ050-056-064-071-160830-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
331 PM EDT WED JUL 15 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SMOKE.
MIN TEMPERATURE.....65-70.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........86-91 PERCENT.
24 HR TREND......30 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 700-1200 FT AGL.
INLAND, 4700-5200 FT AGL DECREASING TO 0-500 FT
AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
SMOKE DISPERSAL.....50-550 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). SMOKE.
MAX TEMPERATURE.....89-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........30-35 PERCENT.
24 HR TREND......20 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 3300-3800 FT AGL.
INLAND, 2000-2500 FT AGL INCREASING TO
6200-6700 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE NORTHWEST IN
THE AFTERNOON.
SMOKE DISPERSAL.....120-510 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). SMOKE.
MIN TEMPERATURE.....67-72.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........71-76 PERCENT NEAR LAKE MICHIGAN AND 79-84
PERCENT INLAND.
24 HR TREND......16 PERCENT DRIER NEAR LAKE MICHIGAN AND 3
PERCENT WETTER INLAND.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1500-2000 FT AGL.
INLAND, 5100-5600 FT AGL DECREASING TO 0-500 FT
AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE EAST AFTER
MIDNIGHT.
SMOKE DISPERSAL.....50-450 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SMOKE POSSIBLE.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....88-93.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........41-46 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2800-3300 FT AGL.
INLAND, 2300-2800 FT AGL INCREASING TO
6500-7000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....260-740 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.25 IN.
MIZ051-052-057>059-160830-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
331 PM EDT WED JUL 15 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SMOKE.
MIN TEMPERATURE.....63-68.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........70-75 PERCENT.
24 HR TREND......23 PERCENT DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 9 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......6900-7400 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH.
SMOKE DISPERSAL.....850 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT). SMOKE.
MAX TEMPERATURE.....90-95.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........27-32 PERCENT.
24 HR TREND......10 PERCENT DRIER.
20-FOOT WINDS.......NORTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......2100-2600 FT AGL INCREASING TO 6700-7200 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
SMOKE DISPERSAL.....140-650 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). SMOKE.
MIN TEMPERATURE.....65-70.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........73-78 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......6200-6700 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE EAST AFTER
MIDNIGHT.
SMOKE DISPERSAL.....50-610 (POOR TO EXCELLENT).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SMOKE POSSIBLE.
CHANCE OF PCPN......30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 92.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........39-44 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 7 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......2000-2500 FT AGL INCREASING TO 7200-7700 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....240 (FAIR) INCREASING TO 840 (EXCELLENT) IN THE
AFTERNOON.
PCPN AMOUNT.........NONE TO 0.01 IN.
MIZ065>067-072>074-160830-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
331 PM EDT WED JUL 15 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SMOKE.
MIN TEMPERATURE.....AROUND 66.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........77-82 PERCENT.
24 HR TREND......15 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......6300-6800 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
SMOKE DISPERSAL.....730 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.03 IN.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). SMOKE.
MAX TEMPERATURE.....AROUND 91.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........25-30 PERCENT.
24 HR TREND......13 PERCENT DRIER.
20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH.
MIXING HEIGHT.......2000-2500 FT AGL INCREASING TO 6000-6500 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
SMOKE DISPERSAL.....150-420 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). SMOKE.
MIN TEMPERATURE.....AROUND 67.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........82-87 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS.
MIXING HEIGHT.......5400-5900 FT AGL DECREASING TO 0-400 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
SMOKE DISPERSAL.....30-370 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SMOKE POSSIBLE.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 90.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........37-42 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 7 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......1800-2300 FT AGL INCREASING TO 5400-5900 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....250-690 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.27 IN.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 70. SOUTHWEST WINDS 5 TO 9 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. WEST WINDS 7 TO 12 MPH.
SATURDAY NIGHT
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS AROUND 60. NORTH WINDS 6 TO
11 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS 5 TO 9 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 5 TO 6 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.
HIGHS IN THE MID 80S. SOUTHWEST WINDS 6 TO 11 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY. CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
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