338
FNUS53 KDTX 180713
FWFDTX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
313 AM EDT MON MAY 18 2026
DISCUSSION
WARM AND HUMID CONDITIONS WITH CHANCES FOR SHOWERS AND
THUNDERSTORMS WILL PREVAIL TODAY THROUGH TUESDAY NIGHT. THE PASSAGE
OF A COLD FRONT LATE TUESDAY WILL DRIVE COOLER AND DRIER CONDITIONS
BACK INTO THE AREA BY WEDNESDAY.
MIZ047-048-053-060-061-182115-
MIDLAND-BAY-SAGINAW-SHIAWASSEE-GENESEE-
INCLUDING THE CITIES OF MIDLAND-BAY CITY-SAGINAW-OWOSSO-FLINT
313 AM EDT MON MAY 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) UNTIL 2 PM, THEN
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER 2 PM UNTIL
1700, THEN SHOWERS AND THUNDERSTORMS LIKELY.
CHANCE OF PRECIPITATION 70 PERCENT.
MAX TEMPERATURE.....80-84.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........42-52 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25
MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......4600-5100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH INCREASING TO AROUND 25
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT (1221).
PCPN AMOUNT.........0.26-0.50 IN.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 2 AM. CHANCE OF SHOWERS.
CHANCE OF THUNDERSTORMS AFTER 2 AM. CHANCE OF
PRECIPITATION 60 PERCENT.
MIN TEMPERATURE.....62-66.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........90-100 PERCENT.
24 HR TREND......16 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......620-820 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR (57).
PCPN AMOUNT.........0.06-0.10 IN.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SHOWERS LIKELY
AFTER 11 AM UNTIL 2 PM, THEN SHOWERS AND CHANCE
OF THUNDERSTORMS. CHANCE OF PRECIPITATION 90
PERCENT.
MAX TEMPERATURE.....76-82.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........46-56 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......3950-4450 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.
SMOKE DISPERSAL.....EXCELLENT (1161).
PCPN AMOUNT.........0.11-0.25 IN.
MIZ049-054-055-062-182115-
HURON-TUSCOLA-SANILAC-LAPEER-
INCLUDING THE CITIES OF BAD AXE-CARO-SANDUSKY-LAPEER
313 AM EDT MON MAY 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF SHOWERS
AFTER 2 PM UNTIL 5 PM, THEN SHOWERS AND
THUNDERSTORMS LIKELY. CHANCE OF PRECIPITATION
70 PERCENT.
MAX TEMPERATURE.....82-86.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........44-54 PERCENT.
24 HR TREND......12 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25
MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......5300-5800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH INCREASING TO AROUND 25
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT (1346).
PCPN AMOUNT.........0.26-0.50 IN.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
THUNDERSTORMS UNTIL 11 PM. CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER
11 PM. CHANCE OF PRECIPITATION 50 PERCENT.
MIN TEMPERATURE.....60-66.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........90-100 PERCENT.
24 HR TREND......14 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......620-820 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR (61).
PCPN AMOUNT.........0.11-0.25 IN.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). CHANCE OF
SHOWERS AFTER 11 AM UNTIL 2 PM, THEN SHOWERS AND
CHANCE OF THUNDERSTORMS. CHANCE OF
PRECIPITATION 80 PERCENT.
MAX TEMPERATURE.....80-84.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........48-58 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......3660-4160 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.
SMOKE DISPERSAL.....EXCELLENT (1069).
PCPN AMOUNT.........0.11-0.25 IN.
MIZ063-068>070-075-076-082-083-182115-
ST CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
INCLUDING THE CITIES OF PORT HURON-HOWELL-PONTIAC-WARREN-ANN
ARBOR-DETROIT-ADRIAN-MONROE
313 AM EDT MON MAY 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER 2 PM. CHANCE OF
PRECIPITATION 50 PERCENT.
MAX TEMPERATURE.....83-88.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........41-51 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH INCREASING TO AROUND 20
MPH EARLY IN THE AFTERNOON.
MIXING HEIGHT.......5980-6480 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH INCREASING TO AROUND 25
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT (1477).
PCPN AMOUNT.........0.11-0.25 IN.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
THUNDERSTORMS UNTIL 11 PM. CHANCE OF SHOWERS.
SLIGHT CHANCE OF THUNDERSTORMS AFTER 11 PM.
CHANCE OF PRECIPITATION 50 PERCENT.
MIN TEMPERATURE.....64-70.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........84-94 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......680-880 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR (62).
PCPN AMOUNT.........0.11-0.25 IN.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). CHANCE OF SHOWERS
AFTER 11 AM UNTIL 2 PM, THEN SHOWERS AND CHANCE
OF THUNDERSTORMS. CHANCE OF PRECIPITATION 80
PERCENT.
MAX TEMPERATURE.....82-88.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........45-55 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......4130-4630 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.
SMOKE DISPERSAL.....EXCELLENT (1155).
PCPN AMOUNT.........0.26-0.50 IN.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE UPPER 50S.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID 60S.
EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS AROUND 70.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S.
MR
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