665
FNUS53 KGRR 171924
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
324 PM EDT THU SEP 17 2026
..RAIN EXPECTED THIS WEEKEND
DISCUSSION
RAIN IS EXPECTED THIS WEEKEND, STARTING FRIDAY NIGHT AND LASTING
THROUGH SATURDAY AT LEAST. HEAVY RAIN IS POSSIBLE WITH 1 TO 2 INCHES
LIKELY IN MANY AREAS. PERIODIC RAIN MAY LAST INTO MONDAY, ESPECIALLY
ACROSS SOUTHERN LOWER MICHIGAN. TEMPERATURES WILL BE NEAR NORMAL FOR
THIS TIME OF YEAR WITH HIGHS IN THE 70S FRIDAY, DIPPING INTO THE 60S
THIS WEEKEND WITH THE RAIN.
MIZ037>039-043>045-180815-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
324 PM EDT THU SEP 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MIN TEMPERATURE.....44-49.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......2100-2600 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....50-160 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) UNTIL 12 PM, THEN PARTLY
SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....68-73.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......8 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 3800-4300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....240-440 (FAIR TO GOOD).
PCPN AMOUNT.........NONE TO 0.01 IN.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS
AFTER 8 PM UNTIL 5 AM, THEN RAIN SHOWERS
LIKELY.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....45-50.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......2500-3000 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....210-350 (FAIR TO GOOD).
PCPN AMOUNT.........0.05-0.53 IN.
SATURDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......10 DEGREES COOLER.
MIN HUMIDITY........70-75 PERCENT.
24 HR TREND......27 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 7 TO 12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1400-1900 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....240-310 (FAIR TO GOOD).
PCPN AMOUNT.........0.30-0.96 IN.
MIZ040-046-180815-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
324 PM EDT THU SEP 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....43-48.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........98 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH.
MIXING HEIGHT.......2200-2700 FT AGL DECREASING TO 0-400 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
SMOKE DISPERSAL.....50-130 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT) UNTIL 3 PM, THEN
MOSTLY CLOUDY (70-80 PERCENT).
MAX TEMPERATURE.....AROUND 70.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........45-50 PERCENT.
24 HR TREND......6 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......1900-2400 FT AGL INCREASING TO 4000-4500 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....260-460 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 8 PM.
CHANCE OF PCPN......50 PERCENT.
MIN TEMPERATURE.....42-47.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS AROUND 6 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......2600-3100 FT AGL DECREASING TO 600-1100 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....110-370 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.08 IN.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS UNTIL 8 AM, THEN RAIN SHOWERS LIKELY.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 62.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........69-74 PERCENT.
24 HR TREND......28 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1700-2200 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....160-280 (FAIR).
PCPN AMOUNT.........0.28-0.56 IN.
MIZ050-056-064-071-180815-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
324 PM EDT THU SEP 17 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....52-57.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......1500-2000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....140 (FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....70-75.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........48-53 PERCENT.
24 HR TREND......22 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 3800-4300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....300-470 (GOOD).
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 8 PM UNTIL 5 AM, THEN RAIN
SHOWERS.
CHANCE OF PCPN......80 PERCENT.
MIN TEMPERATURE.....51-56.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......2800-3300 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....230-370 (FAIR TO GOOD).
PCPN AMOUNT.........0.07-0.66 IN.
SATURDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS AND A
CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........73-78 PERCENT.
24 HR TREND......26 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......1200-1700 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....260-280 (FAIR).
PCPN AMOUNT.........0.69-1.09 IN.
MIZ051-052-057>059-180815-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
324 PM EDT THU SEP 17 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....48-53.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......1500-2000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....80-130 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 72.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........49-54 PERCENT.
24 HR TREND......14 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......1800-2300 FT AGL INCREASING TO 3800-4300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....270-490 (FAIR TO GOOD).
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 11 PM.
CHANCE OF PCPN......40 PERCENT IN THE LATE EVENING AND
OVERNIGHT.
MIN TEMPERATURE.....48-53.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH.
MIXING HEIGHT.......2500-3000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....220-390 (FAIR TO GOOD).
PCPN AMOUNT.........0.03-0.43 IN.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS UNTIL 8 AM, THEN RAIN SHOWERS.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....AROUND 64.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........77-82 PERCENT.
24 HR TREND......26 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1100-1600 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....220-260 (FAIR).
PCPN AMOUNT.........0.43-1.00 IN.
MIZ065>067-072>074-180815-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
324 PM EDT THU SEP 17 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) UNTIL 3 AM, THEN
PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....53-58.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......1200-1700 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....110-140 (POOR TO FAIR).
PCPN AMOUNT.........NONE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 73.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........49-54 PERCENT.
24 HR TREND......22 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1800-2300 FT AGL INCREASING TO 4000-4500 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....300-470 (GOOD).
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT) UNTIL 12 AM, THEN
MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 2 AM UNTIL 5 AM, THEN RAIN
SHOWERS LIKELY.
CHANCE OF PCPN......60 PERCENT AFTER MIDNIGHT.
MIN TEMPERATURE.....52-57.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......3200-3700 FT AGL DECREASING TO 800-1300 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....200-400 (FAIR TO GOOD).
PCPN AMOUNT.........0.03-0.38 IN.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN SHOWERS.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........75-80 PERCENT.
24 HR TREND......23 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH.
MIXING HEIGHT.......1200-1700 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....200-250 (FAIR).
PCPN AMOUNT.........0.62-1.00 IN.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS IN THE MID 50S. EAST WINDS 5 TO 9 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 6 TO 11 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS 6 TO
11 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. NORTHEAST WINDS 8 TO 13 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 7 TO 12 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
8 TO 13 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S.
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