171
FNUS53 KGRR 161856
FWFGRR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
256 PM EDT THU APR 16 2026
..SHOWERS AND STORMS THURSDAY AFTERNOON AND FRIDAY NIGHT
DISCUSSION
SCATTERED SHOWERS AND STORMS ARE EXPECTED THROUGH MID-EVENING
THURSDAY WITH ADDITIONAL RAINFALL UP TO 0.25" POSSIBLE,
HEAVIEST NEAR THE LANSING AND JACKSON AREAS. WE DRY OUT FOR
THE DAY FRIDAY WITH MINRH VALUES FALLING TO NEAR 50 PERCENT.
SHOWERS AND STORMS RETURN FRIDAY EVENING INTO FRIDAY NIGHT WITH
RAINFALL TOTALS OF 0.25" TO 0.75" EXPECTED, HIGHEST NEAR I-94.
MIZ037>039-043>045-170815-
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,
FREMONT, AND BIG RAPIDS
256 PM EDT THU APR 16 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). AREAS OF FOG
AFTER 10 PM.
MIN TEMPERATURE.....38-43.
24 HR TREND......10 DEGREES COOLER.
MAX HUMIDITY........98 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......LIGHT WINDS.
MIXING HEIGHT.......400-900 FT AGL NEAR LAKE MICHIGAN AND 2200-2700
FT AGL INLAND.
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
SMOKE DISPERSAL.....60-300 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.05 IN.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). AREAS OF FOG
UNTIL 11 AM.
MAX TEMPERATURE.....70-75.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........46-51 PERCENT.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......1700-2200 FT AGL NEAR LAKE MICHIGAN AND
2900-3400 FT AGL INLAND.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH INCREASING TO SOUTH
AROUND 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....250-680 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 12 AM, THEN
MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 8 PM UNTIL 2 AM. CHANCE OF
THUNDERSTORMS AFTER 8 PM. RAIN SHOWERS AFTER 2
AM.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....38-43.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......1400-1900 FT AGL NEAR LAKE MICHIGAN AND
2600-3100 FT AGL INLAND.
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.
SMOKE DISPERSAL.....410-640 (GOOD TO EXCELLENT).
PCPN AMOUNT.........0.16-0.52 IN.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 3 PM, THEN
MOSTLY SUNNY (45-55 PERCENT). RAIN SHOWERS
UNTIL 8 AM, THEN A CHANCE OF RAIN SHOWERS.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....AROUND 48 NEAR LAKE MICHIGAN AND 51-56 INLAND.
MIN HUMIDITY........57-62 PERCENT NEAR LAKE MICHIGAN AND 49-54
PERCENT INLAND.
24 HR TREND......6 PERCENT WETTER NEAR LAKE MICHIGAN AND 4
PERCENT WETTER INLAND.
20-FOOT WINDS.......WEST WINDS 11 TO 16 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......2300-2800 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
SMOKE DISPERSAL.....560 (GOOD) INCREASING TO 1290 (EXCELLENT) IN
THE AFTERNOON.
PCPN AMOUNT.........0.08-0.28 IN.
MIZ040-046-170815-
CLARE-ISABELLA-
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT
256 PM EDT THU APR 16 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 8 PM. PATCHY
FOG AFTER 2 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....41-46.
24 HR TREND......14 DEGREES COOLER.
MAX HUMIDITY........98 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH.
MIXING HEIGHT.......2400-2900 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE NORTHEAST
AFTER MIDNIGHT.
SMOKE DISPERSAL.....60-320 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.06 IN.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). AREAS OF FOG
UNTIL 10 AM.
MAX TEMPERATURE.....70-75.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........50-55 PERCENT.
24 HR TREND......13 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 8 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......1200-1700 FT AGL INCREASING TO 3200-3700 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....180-680 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) UNTIL 12 AM, THEN
MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS AND
A CHANCE OF THUNDERSTORMS AFTER 2 AM.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....43-48.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 7 TO 12 MPH AND GUSTY.
MIXING HEIGHT.......2500-3000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.
SMOKE DISPERSAL.....360-580 (GOOD).
PCPN AMOUNT.........0.15-0.30 IN.
SATURDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT) UNTIL 12 PM, THEN PARTLY
SUNNY (50-60 PERCENT). RAIN SHOWERS UNTIL 2 PM,
THEN A CHANCE OF RAIN SHOWERS.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....58-63.
24 HR TREND......12 DEGREES COOLER.
MIN HUMIDITY........55-60 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......WEST WINDS 11 TO 16 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 4500-5000 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
SMOKE DISPERSAL.....520 (GOOD) INCREASING TO 1280 (EXCELLENT) IN
THE AFTERNOON.
PCPN AMOUNT.........0.15-0.25 IN.
MIZ050-056-064-071-170815-
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,
AND SOUTH HAVEN
256 PM EDT THU APR 16 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). AREAS OF FOG
AFTER 9 PM.
MIN TEMPERATURE.....40-45.
24 HR TREND......7 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......300-800 FT AGL NEAR LAKE MICHIGAN AND 1900-2400
FT AGL INLAND.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
SMOKE DISPERSAL.....30-290 (POOR TO FAIR).
PCPN AMOUNT.........NONE TO 0.05 IN.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). AREAS OF FOG
UNTIL 11 AM.
MAX TEMPERATURE.....73-78.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........46-51 PERCENT.
24 HR TREND......20 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 9 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1900-2400 FT AGL.
MIXING HEIGHT.......INLAND, 900-1400 FT AGL INCREASING TO 3900-4400
FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....180 (FAIR) INCREASING TO 860 (EXCELLENT) IN THE
AFTERNOON.
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 12 AM, THEN
MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 8 PM UNTIL 2 AM. CHANCE OF
THUNDERSTORMS AFTER 8 PM. RAIN SHOWERS AFTER 2
AM.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....39-44.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH AND GUSTY.
MIXING HEIGHT.......2000-2500 FT AGL NEAR LAKE MICHIGAN AND
2900-3400 FT AGL INLAND.
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.
SMOKE DISPERSAL.....370-740 (GOOD TO EXCELLENT).
PCPN AMOUNT.........0.26-0.59 IN.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 3 PM, THEN
MOSTLY SUNNY (35-45 PERCENT). RAIN SHOWERS
UNTIL 2 PM, THEN A CHANCE OF RAIN SHOWERS.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....57-62.
24 HR TREND......17 DEGREES COOLER.
MIN HUMIDITY........55-60 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 28
MPH.
MIXING HEIGHT.......2000-2500 FT AGL INCREASING TO 4200-4700 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
SMOKE DISPERSAL.....620 (EXCELLENT) INCREASING TO 1250 (EXCELLENT)
IN THE AFTERNOON.
PCPN AMOUNT.........0.14-0.37 IN.
MIZ051-052-057>059-170815-
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,
AND ST. JOHNS
256 PM EDT THU APR 16 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 8 PM. AREAS
OF FOG AFTER 1 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....46-51.
24 HR TREND......9 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......2400-2900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....40-300 (POOR TO GOOD).
PCPN AMOUNT.........NONE TO 0.14 IN.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). AREAS OF FOG
UNTIL 11 AM.
MAX TEMPERATURE.....72-77.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........46-51 PERCENT.
24 HR TREND......15 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......3200-3700 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH INCREASING TO SOUTH
AROUND 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....200-670 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) UNTIL 12 AM, THEN
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 8 PM UNTIL 2 AM. CHANCE OF
THUNDERSTORMS AFTER 11 PM. RAIN SHOWERS AFTER 2
AM.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....44-49.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........98 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 11 TO 16 MPH WITH GUSTS TO AROUND
26 MPH.
MIXING HEIGHT.......2600-3100 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.
SMOKE DISPERSAL.....300-560 (GOOD).
PCPN AMOUNT.........0.16-0.54 IN.
SATURDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT) UNTIL 12 PM, THEN PARTLY
SUNNY (50-60 PERCENT). RAIN SHOWERS UNTIL 2 PM,
THEN A CHANCE OF RAIN SHOWERS.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....59-64.
24 HR TREND......10 DEGREES COOLER.
MIN HUMIDITY........55-60 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
MPH.
MIXING HEIGHT.......2000-2500 FT AGL INCREASING TO 4100-4600 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
SMOKE DISPERSAL.....600 (EXCELLENT) INCREASING TO 1280 (EXCELLENT)
IN THE AFTERNOON.
PCPN AMOUNT.........0.17-0.40 IN.
MIZ065>067-072>074-170815-
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,
BATTLE CREEK, AND JACKSON
256 PM EDT THU APR 16 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 8 PM. AREAS
OF FOG AFTER 12 AM.
CHANCE OF PCPN......30 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....47-52.
24 HR TREND......9 DEGREES COOLER.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 7 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......2300-2800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....60-460 (POOR TO GOOD).
PCPN AMOUNT.........0.01-0.19 IN.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). AREAS OF FOG
UNTIL 10 AM.
MAX TEMPERATURE.....73-78.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........43-48 PERCENT.
24 HR TREND......18 PERCENT DRIER.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 8 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......1300-1800 FT AGL INCREASING TO 3400-3900 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH INCREASING TO SOUTH
AROUND 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....200-740 (FAIR TO EXCELLENT).
PCPN AMOUNT.........NONE.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) UNTIL 12 AM, THEN
MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 8 PM UNTIL 2 AM. CHANCE OF
THUNDERSTORMS AFTER 11 PM. RAIN SHOWERS AFTER 2
AM.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....45-50.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........95-100 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS 9 TO 14 MPH AND GUSTY.
MIXING HEIGHT.......2800-3300 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.
SMOKE DISPERSAL.....290-610 (FAIR TO EXCELLENT).
PCPN AMOUNT.........0.19-0.55 IN.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) UNTIL 3 PM, THEN
MOSTLY SUNNY (40-50 PERCENT). CHANCE OF
THUNDERSTORMS UNTIL 11 AM. RAIN SHOWERS UNTIL 2
PM, THEN A CHANCE OF RAIN SHOWERS.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......12 DEGREES COOLER.
MIN HUMIDITY........53-58 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 13 TO 18 MPH WITH GUSTS TO AROUND 28
MPH.
MIXING HEIGHT.......3900-4400 FT AGL.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
SMOKE DISPERSAL.....630-1150 (EXCELLENT).
PCPN AMOUNT.........0.22-0.40 IN.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 30S. WEST WINDS 8 TO 13 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS 9 TO
14 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTHWEST WINDS
6 TO 11 MPH.
MONDAY
SUNNY. HIGHS AROUND 50. WEST WINDS 5 TO 9 MPH.
MONDAY NIGHT
NOT AS COOL. PARTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST
WINDS 9 TO 14 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
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