968
FNUS53 KGRR 171821
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
221 PM EDT SUN MAY 17 2026
..WARM AND HUMID WITH PERIODIC SHOWERS/STORMS THROUGH TUESDAY
DISCUSSION
A FRONTAL SYSTEM SLOWLY APPROACHING THE AREA THROUGH TUESDAY
WILL PROVIDE FOR MULTIPLE CHANCES FOR SHOWERS AND STORMS THROUGH
TUESDAY. MUCH OF THE TIME WILL BE DRY HOWEVER. THE FRONT WILL MOVE
THROUGH THE AREA LATE TUESDAY, AND WILL BRING DRIER AIR TO THE AREA
FOR WEDNESDAY AND BEYOND.
MIZ037>039-043>045-180830-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
221 PM EDT SUN MAY 17 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (50-60 PERCENT). RAIN SHOWERS
LIKELY UNTIL 7 PM. CHANCE OF THUNDERSTORMS
UNTIL 11 PM. CHANCE OF RAIN SHOWERS AFTER 7 PM
UNTIL 11 PM.
CHANCE OF PCPN......70 PERCENT IN THE EVENING.
MIN TEMPERATURE.....56-61.
24 HR TREND......15 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 7 TO 12 MPH AND GUSTY.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....160-370 (FAIR TO GOOD).
PCPN AMOUNT.........NONE TO 0.87 IN.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF RAIN
SHOWERS UNTIL 12 PM. CHANCE OF THUNDERSTORMS.
RAIN SHOWERS LIKELY AFTER 12 PM.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....80-85.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........47-52 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 13 TO 18 MPH WITH GUSTS TO
AROUND 31 MPH.
MIXING HEIGHT.......1200-1700 FT AGL NEAR LAKE MICHIGAN AND
2500-3000 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....600-840 (EXCELLENT).
PCPN AMOUNT.........0.02-0.16 IN.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT) UNTIL 9 PM, THEN
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS UNTIL 2 AM. CHANCE OF THUNDERSTORMS.
RAIN SHOWERS AFTER 2 AM.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....53-58 NEAR LAKE MICHIGAN AND AROUND 64 INLAND.
24 HR TREND......3 DEGREES COOLER NEAR LAKE MICHIGAN AND 6
DEGREES COOLER INLAND.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 9 TO 14 MPH AND GUSTY.
MIXING HEIGHT.......700-1200 FT AGL NEAR LAKE MICHIGAN AND
1900-2400 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....210-550 (FAIR TO GOOD).
PCPN AMOUNT.........0.09-0.33 IN.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS
UNTIL 2 PM. CHANCE OF THUNDERSTORMS. CHANCE OF
RAIN SHOWERS AFTER 2 PM.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....76-81.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........58-63 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 14 TO 19 MPH WITH GUSTS TO
AROUND 32 MPH.
MIXING HEIGHT.......900-1400 FT AGL NEAR LAKE MICHIGAN AND
3000-3500 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....600-1000 (EXCELLENT).
PCPN AMOUNT.........0.06-0.28 IN.
MIZ040-046-180830-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
221 PM EDT SUN MAY 17 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (50-60 PERCENT). RAIN SHOWERS
LIKELY UNTIL 7 PM. CHANCE OF THUNDERSTORMS
UNTIL 1 AM. CHANCE OF RAIN SHOWERS AFTER 7 PM
UNTIL 2 AM.
CHANCE OF PCPN......70 PERCENT UNTIL EARLY MORNING.
MIN TEMPERATURE.....53-58.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......1600-2100 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT.
SMOKE DISPERSAL.....100-330 (POOR TO GOOD).
PCPN AMOUNT.........0.05-0.90 IN.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). RAIN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS AFTER 12
PM.
CHANCE OF PCPN......60 PERCENT IN THE LATE MORNING AND
AFTERNOON.
MAX TEMPERATURE.....AROUND 85.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 11 TO 16 MPH WITH GUSTS TO
AROUND 29 MPH.
MIXING HEIGHT.......3300-3800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....760-1000 (EXCELLENT).
PCPN AMOUNT.........0.01-0.11 IN.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (65-75 PERCENT) UNTIL 9 PM, THEN
MOSTLY CLOUDY (70-80 PERCENT). SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......70 PERCENT.
MIN TEMPERATURE.....AROUND 63.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 8 TO 13 MPH AND GUSTY.
MIXING HEIGHT.......2300-2800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....160-540 (FAIR TO GOOD).
PCPN AMOUNT.........0.08-0.16 IN.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SHOWERS AND A
CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....79-84.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........56-61 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 14 TO 19 MPH WITH GUSTS TO
AROUND 33 MPH.
MIXING HEIGHT.......3300-3800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....800-1020 (EXCELLENT).
PCPN AMOUNT.........NONE TO 0.10 IN.
MIZ050-056-064-071-180830-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
221 PM EDT SUN MAY 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 8 PM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....58-63.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH AND GUSTY.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1500-2000 FT AGL.
MIXING HEIGHT.......INLAND, 3100-3600 FT AGL DECREASING TO 400-900
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.
SMOKE DISPERSAL.....800 (EXCELLENT) DECREASING TO 160 (FAIR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.01 IN.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) UNTIL 3 PM, THEN
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS AFTER 8 AM UNTIL 2 PM. CHANCE OF
THUNDERSTORMS AFTER 8 AM. SHOWERS AFTER 2 PM.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....80-85.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........49-54 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 12 TO 17 MPH WITH GUSTS TO AROUND
30 MPH.
MIXING HEIGHT.......1500-2000 FT AGL NEAR LAKE MICHIGAN AND
3400-3900 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....630-980 (EXCELLENT).
PCPN AMOUNT.........0.07-0.53 IN.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (60-70 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 1 AM. CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER 2 AM.
CHANCE OF PCPN......50 PERCENT.
MIN TEMPERATURE.....57-62 NEAR LAKE MICHIGAN AND AROUND 65 INLAND.
24 HR TREND......1 DEGREE COOLER NEAR LAKE MICHIGAN AND 5
DEGREES COOLER INLAND.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH AND GUSTY.
MIXING HEIGHT.......800-1300 FT AGL NEAR LAKE MICHIGAN AND
1700-2200 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....180-380 (FAIR TO GOOD).
PCPN AMOUNT.........0.05-0.26 IN.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN
SHOWERS UNTIL 2 PM. CHANCE OF THUNDERSTORMS.
RAIN SHOWERS AFTER 2 PM.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....79-84.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........58-63 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 33 MPH.
MIXING HEIGHT.......2000-2500 FT AGL NEAR LAKE MICHIGAN AND
4000-4500 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....850-1370 (EXCELLENT).
PCPN AMOUNT.........0.04-0.37 IN.
MIZ051-052-057>059-180830-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
221 PM EDT SUN MAY 17 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) UNTIL 9 PM, THEN
PARTLY CLOUDY (40-50 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 10 PM.
CHANCE OF PCPN......30 PERCENT IN THE EVENING.
MIN TEMPERATURE.....61-66.
24 HR TREND......12 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......12 PERCENT DRIER.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH AND GUSTY.
MIXING HEIGHT.......2900-3400 FT AGL DECREASING TO 400-900 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....130-540 (FAIR TO GOOD).
PCPN AMOUNT.........NONE TO 0.12 IN.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
UNTIL 12 PM. CHANCE OF THUNDERSTORMS. SHOWERS
LIKELY AFTER 12 PM.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....83-88.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......6 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 32 MPH.
MIXING HEIGHT.......3700-4200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....710-1080 (EXCELLENT).
PCPN AMOUNT.........0.06-0.16 IN.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (65-75 PERCENT). SHOWERS LIKELY
UNTIL 12 AM. CHANCE OF THUNDERSTORMS. CHANCE OF
SHOWERS AFTER 12 AM.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....AROUND 66.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 11 TO 16 MPH WITH GUSTS TO
AROUND 28 MPH.
MIXING HEIGHT.......2200-2700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....150-560 (FAIR TO GOOD).
PCPN AMOUNT.........0.07-0.43 IN.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF SHOWERS
UNTIL 2 PM. CHANCE OF THUNDERSTORMS. SHOWERS
AFTER 2 PM.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....80-85.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........51-56 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 18 TO 23 MPH WITH GUSTS TO
AROUND 37 MPH.
MIXING HEIGHT.......4100-4600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH INCREASING TO AROUND 30
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....860 (EXCELLENT) INCREASING TO 1490 (EXCELLENT)
IN THE AFTERNOON.
PCPN AMOUNT.........0.06-0.23 IN.
MIZ065>067-072>074-180830-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
221 PM EDT SUN MAY 17 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 66.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........85-90 PERCENT.
24 HR TREND......19 PERCENT DRIER.
20-FOOT WINDS.......SOUTH WINDS 8 TO 13 MPH AND GUSTY.
MIXING HEIGHT.......4700-5200 FT AGL DECREASING TO 300-800 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....1040 (EXCELLENT) DECREASING TO 120 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.03 IN.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS AFTER 12 PM.
CHANCE OF PCPN......60 PERCENT IN THE LATE MORNING AND
AFTERNOON.
MAX TEMPERATURE.....AROUND 86.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 13 TO 18 MPH WITH GUSTS TO
AROUND 29 MPH.
MIXING HEIGHT.......2500-3000 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....700 (EXCELLENT) INCREASING TO 1440 (EXCELLENT)
IN THE AFTERNOON.
PCPN AMOUNT.........0.05-0.37 IN.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT) UNTIL 12 AM, THEN
PARTLY CLOUDY (50-60 PERCENT). SHOWERS LIKELY
UNTIL 12 AM. CHANCE OF THUNDERSTORMS. CHANCE OF
SHOWERS AFTER 12 AM.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....AROUND 67.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........85-90 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 28 MPH.
MIXING HEIGHT.......2300-2800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....130-600 (FAIR TO EXCELLENT).
PCPN AMOUNT.........0.07-0.36 IN.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS
UNTIL 2 PM. CHANCE OF THUNDERSTORMS. SHOWERS
AFTER 2 PM.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....81-86.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........53-58 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 16 TO 21 MPH WITH GUSTS TO
AROUND 33 MPH.
MIXING HEIGHT.......4200-4700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH INCREASING TO AROUND 30
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....920-1450 (EXCELLENT).
PCPN AMOUNT.........0.13-0.37 IN.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. NORTHWEST WINDS
8 TO 13 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
6 TO 11 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS 5 TO
9 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
5 TO 9 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO
9 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
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