223
FNUS53 KGRR 170957
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
557 AM EDT FRI JUL 17 2026
..WIDESPREAD SMOKE WITH SCATTERED SHOWERS AND STORMS
DISCUSSION
WIDESPREAD SMOKE CONTINUES TODAY WITH VISIBILITS AT OR BELOW
2 MILES THROUGH LATE AFTERNOON WHEN SOME IMPROVEMENT IS LIKELY
AS WINDS BECOME SOUTHWESTERLY. VERY LIGHT SHOWERS ARE POSSIBLE
NORTH OF US10 THIS MORNING WITH SCATTERED SHOWERS AND STORMS
LIKEY TO DEVELOP THIS AFTERNOON AND EVENING, MAINLY NEAR AND
SOUTH OF I96.
MIZ037>039-043>045-172215-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
557 AM EDT FRI JUL 17 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SMOKE.
MAX TEMPERATURE.....87-92.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........39-44 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2500-3000 FT AGL.
MIXING HEIGHT.......INLAND, 1900-2400 FT AGL INCREASING TO
5600-6100 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
SMOKE DISPERSAL.....200 (FAIR) INCREASING TO 850 (EXCELLENT) IN THE
AFTERNOON.
PCPN AMOUNT.........NONE TO 0.07 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SMOKE UNTIL 7
PM, THEN PATCHY SMOKE UNTIL 1 AM. CHANCE OF
SHOWERS AFTER 4 AM. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 5 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE MORNING.
MIN TEMPERATURE.....68-73.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 6 TO 11 MPH. GUSTS UP TO 21 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1700-2200 FT AGL.
MIXING HEIGHT.......INLAND, 5200-5700 FT AGL DECREASING TO 200-700
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....900 (EXCELLENT) DECREASING TO 100 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.15 IN.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) UNTIL 3 PM, THEN
SUNNY (15-25 PERCENT). CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL 1 PM.
CHANCE OF PCPN......40 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....82-87.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........56-61 PERCENT NEAR LAKE MICHIGAN AND 47-52
PERCENT INLAND.
24 HR TREND......6 PERCENT WETTER NEAR LAKE MICHIGAN AND 11
PERCENT WETTER INLAND.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 26 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2700-3200 FT AGL.
MIXING HEIGHT.......INLAND, 2800-3300 FT AGL INCREASING TO
5800-6300 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....680-1240 (EXCELLENT).
PCPN AMOUNT.........NONE TO 0.11 IN.
MIZ040-046-172215-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
557 AM EDT FRI JUL 17 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SMOKE. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 3 PM.
CHANCE OF PCPN......20 PERCENT LATE IN THE AFTERNOON.
MAX TEMPERATURE.....87-92.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........39-44 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 6 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1800-2300 FT AGL INCREASING TO 6100-6600 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
SMOKE DISPERSAL.....170 (FAIR) INCREASING TO 800 (EXCELLENT) IN THE
AFTERNOON.
PCPN AMOUNT.........NONE TO 0.06 IN.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) UNTIL 9 PM, THEN
PARTLY CLOUDY (35-45 PERCENT). SMOKE UNTIL 8
PM, THEN PATCHY SMOKE UNTIL 2 AM. CHANCE OF
SHOWERS AFTER 4 AM. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 5 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE MORNING.
MIN TEMPERATURE.....68-73.
24 HR TREND......10 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 21 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......5100-5600 FT AGL DECREASING TO 400-900 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....770 (EXCELLENT) DECREASING TO 130 (FAIR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.14 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS UNTIL 1 PM.
CHANCE OF PCPN......30 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....83-88.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........43-48 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 11 TO 16 MPH WITH HIGHER GUSTS.
MIXING HEIGHT.......3500-4000 FT AGL INCREASING TO 5700-6200 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....800-1220 (EXCELLENT).
PCPN AMOUNT.........0.03-0.25 IN.
MIZ050-056-064-071-172215-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
557 AM EDT FRI JUL 17 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SMOKE UNTIL 2 PM,
THEN AREAS OF SMOKE. CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER 2 PM.
CHANCE OF PCPN......30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....88-93.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........44-49 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2200-2700 FT AGL.
MIXING HEIGHT.......INLAND, 2500-3000 FT AGL INCREASING TO
5000-5500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....290-640 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.14 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). AREAS OF SMOKE
UNTIL 9 PM.
MIN TEMPERATURE.....71-76.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1500-2000 FT AGL.
MIXING HEIGHT.......INLAND, 4100-4600 FT AGL DECREASING TO 100-600
FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....90-590 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.16 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). CHANCE OF SHOWERS
AFTER 7 AM UNTIL 1 PM.
CHANCE OF PCPN......40 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....83-88.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........46-51 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 3400-3900 FT AGL.
MIXING HEIGHT.......INLAND, 2700-3200 FT AGL INCREASING TO
5700-6200 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
SMOKE DISPERSAL.....570 (GOOD) INCREASING TO 1210 (EXCELLENT) IN
THE AFTERNOON.
PCPN AMOUNT.........NONE TO 0.27 IN.
MIZ051-052-057>059-172215-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
557 AM EDT FRI JUL 17 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SMOKE UNTIL 5 PM.
PATCHY SMOKE AFTER 5 PM. CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS AFTER 2 PM.
CHANCE OF PCPN......30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 92.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........41-46 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2700-3200 FT AGL INCREASING TO 5900-6400 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....280-760 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.25 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 8 PM. PATCHY SMOKE UNTIL 1 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 74.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........92-97 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 7 TO 12 MPH. GUSTS UP TO 21 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......5000-5500 FT AGL DECREASING TO 300-800 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....740 (EXCELLENT) DECREASING TO 100 (POOR) AFTER
MIDNIGHT.
PCPN AMOUNT.........NONE TO 0.12 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER 8 AM UNTIL 1 PM.
CHANCE OF PCPN......50 PERCENT UNTIL LATE AFTERNOON.
MAX TEMPERATURE.....85-90.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........42-47 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 13 TO 18 MPH WITH GUSTS TO AROUND 28
MPH.
MIXING HEIGHT.......3400-3900 FT AGL INCREASING TO 6000-6500 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
SMOKE DISPERSAL.....810 (EXCELLENT) INCREASING TO 1430 (EXCELLENT)
IN THE AFTERNOON.
PCPN AMOUNT.........0.01-0.28 IN.
MIZ065>067-072>074-172215-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
557 AM EDT FRI JUL 17 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SMOKE UNTIL 3 PM.
AREAS OF SMOKE AFTER 3 PM. CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER 2 PM.
CHANCE OF PCPN......30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 90.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........39-44 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2700-3200 FT AGL INCREASING TO 5800-6300 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....290-660 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE TO 0.29 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 9 PM. PATCHY
SMOKE UNTIL 1 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 72.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......4000-4500 FT AGL DECREASING TO 200-700 FT AGL
AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....80-470 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.16 IN.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). CHANCE OF SHOWERS
AFTER 8 AM. CHANCE OF THUNDERSTORMS AFTER 11
AM.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....86-91.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........45-50 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......WEST WINDS 11 TO 16 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......2900-3400 FT AGL INCREASING TO 6200-6700 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
SMOKE DISPERSAL.....700 (EXCELLENT) INCREASING TO 1530 (EXCELLENT)
IN THE AFTERNOON.
PCPN AMOUNT.........0.01-0.24 IN.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
6 TO 11 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS 5 TO 6 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS 5 TO 6 MPH SHIFTING TO THE SOUTH UP TO 5 MPH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 7 TO 12 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS 8 TO 13 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 9 TO
14 MPH.
TUESDAY NIGHT
COOLER. PARTLY CLOUDY. LOWS IN THE MID 50S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
THURSDAY
SUNNY. HIGHS AROUND 80.
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