051
FNUS53 KGRR 271836
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
236 PM EDT SAT JUN 27 2026
..STARTING TO HEAT UP
DISCUSSION
WARMER TEMPERATURES SUNDAY WILL TURN HOT BY EARLY
THIS COMING WEEK AS WE APPROACH THE FIRST HEAT WAVE OF THE YEAR.
HIGH DEW POINT READINGS WILL ENSURE MIN RH VALUES DON'T GET
CONCERNINGLY LOW. THE LOWEST RH READINGS LOOK TO BE TOMORROW
(SUNDAY) WITH VALUES POSSIBLY GETTING AS LOW AS 40% ALONG THE
U.S. 10 CORRIDOR.
MIZ037>039-043>045-280815-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
236 PM EDT SAT JUN 27 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....51-56.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........82-87 PERCENT NEAR LAKE MICHIGAN AND 91-96
PERCENT INLAND.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 3000-3500 FT AGL IN THE
EVENING.
MIXING HEIGHT.......0-400 FT AGL AFTER MIDNIGHT.
MIXING HEIGHT.......INLAND, 5300-5800 FT AGL IN THE EVENING.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....700 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....85-90.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........40-45 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......4100-4600 FT AGL NEAR LAKE MICHIGAN AND
5100-5600 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....410-620 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
SUNDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). CHANCE OF
SHOWERS AFTER 2 AM.
CHANCE OF PCPN......30 PERCENT AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 70 NEAR LAKE MICHIGAN AND 62-67 INLAND.
24 HR TREND......9 DEGREES WARMER NEAR LAKE MICHIGAN AND 8
DEGREES WARMER INLAND.
MAX HUMIDITY........91-96 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 6 TO 11 MPH. GUSTS UP TO 21 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2600-3100 FT AGL IN THE
EVENING.
MIXING HEIGHT.......100-600 FT AGL AFTER MIDNIGHT.
MIXING HEIGHT.......INLAND, 4300-4800 FT AGL IN THE EVENING.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....120-640 (POOR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.07 IN.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF RAIN
SHOWERS UNTIL 2 PM.
CHANCE OF PCPN......30 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....88-93.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........54-59 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH WITH HIGHER GUSTS.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1700-2200 FT AGL.
MIXING HEIGHT.......INLAND, 1600-2100 FT AGL INCREASING TO
4200-4700 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
SMOKE DISPERSAL.....410 (GOOD) INCREASING TO 1060 (EXCELLENT) IN
THE AFTERNOON.
PCPN AMOUNT.........0.01-0.46 IN.
MIZ040-046-280815-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
236 PM EDT SAT JUN 27 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....49-54.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......4500-5000 FT AGL DECREASING TO 0-400 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....680 (EXCELLENT) DECREASING TO 40 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 83.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........41-46 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING EAST AROUND 8 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......3000-3500 FT AGL INCREASING TO 5100-5600 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....380-650 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
SUNDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 4 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE MORNING.
MIN TEMPERATURE.....57-62.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......4300-4800 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....60-600 (POOR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.04 IN.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) UNTIL 9 AM, THEN
PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 91.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........52-57 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 7 TO 12 MPH. GUSTS UP TO 21 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1500-2000 FT AGL INCREASING TO 5100-5600 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
SMOKE DISPERSAL.....310 (GOOD) INCREASING TO 1110 (EXCELLENT) IN
THE AFTERNOON.
PCPN AMOUNT.........0.01-0.21 IN.
MIZ050-056-064-071-280815-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
236 PM EDT SAT JUN 27 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....57-62.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........91-96 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 4100-4600 FT AGL IN THE
EVENING.
MIXING HEIGHT.......0-500 FT AGL AFTER MIDNIGHT.
MIXING HEIGHT.......INLAND, 5000-5500 FT AGL IN THE EVENING.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....60-600 (POOR TO EXCELLENT).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....84-89.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........43-48 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 4000-4500 FT AGL.
MIXING HEIGHT.......INLAND, 2900-3400 FT AGL INCREASING TO
4900-5400 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....400-590 (GOOD).
PCPN AMOUNT.........NONE.
SUNDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....65-70.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........85-90 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 3200-3700 FT AGL DECREASING
TO 300-800 FT AGL AFTER MIDNIGHT.
MIXING HEIGHT.......INLAND, 4400-4900 FT AGL DECREASING TO 200-700
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....100-630 (POOR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.03 IN.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF SHOWERS
UNTIL 8 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE MORNING.
MAX TEMPERATURE.....90-95.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........51-56 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH WITH HIGHER GUSTS.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2000-2500 FT AGL.
MIXING HEIGHT.......INLAND, 1800-2300 FT AGL INCREASING TO
4400-4900 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
SMOKE DISPERSAL.....380 (GOOD) INCREASING TO 960 (EXCELLENT) IN THE
AFTERNOON.
PCPN AMOUNT.........NONE TO 0.04 IN.
MIZ051-052-057>059-280815-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
236 PM EDT SAT JUN 27 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....54-59.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......4800-5300 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....640 (EXCELLENT) DECREASING TO 50 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....82-87.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........43-48 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......2800-3300 FT AGL INCREASING TO 5000-5500 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....380-610 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....61-66.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........88-93 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......4600-5100 FT AGL DECREASING TO 100-600 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....70-580 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.03 IN.
MONDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) UNTIL 9 AM, THEN MOSTLY
SUNNY (40-50 PERCENT). CHANCE OF SHOWERS UNTIL
11 AM.
CHANCE OF PCPN......30 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....AROUND 93.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........51-56 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 4900-5400 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
SMOKE DISPERSAL.....360 (GOOD) INCREASING TO 1130 (EXCELLENT) IN
THE AFTERNOON.
PCPN AMOUNT.........NONE TO 0.36 IN.
MIZ065>067-072>074-280815-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
236 PM EDT SAT JUN 27 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....AROUND 59.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......4800-5300 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....50-530 (POOR TO GOOD).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 84.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........41-46 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......2900-3400 FT AGL INCREASING TO 5100-5600 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....370-480 (GOOD).
PCPN AMOUNT.........NONE.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....62-67.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......4700-5200 FT AGL DECREASING TO 0-500 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....70-450 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.02 IN.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 92.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........51-56 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 8 TO 13 MPH. GUSTS UP TO 23 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1900-2400 FT AGL INCREASING TO 4600-5100 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
SMOKE DISPERSAL.....370-920 (GOOD TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.01 IN.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS 7 TO 12 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS 6 TO 11 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS 7 TO
12 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS 6 TO 11 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 6 TO
11 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
FRIDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.
HIGHS IN THE LOWER 90S.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 60S.
INDEPENDENCE DAY
MOSTLY SUNNY. CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 80S.
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