921
FNUS53 KDTX 160739
FWFDTX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
339 AM EDT SAT MAY 16 2026
DISCUSSION
SCATTERED TO NUMEROUS SHOWERS AND SOME EMBEDDED
THUNDERSTORMS EXPECTED THIS MORNING. LOW END CHANCES FOR LINGERING
SHOWER ACTIVITY IN THE AFTERNOON FAVORED ACROSS SOUTHERN MICHIGAN
WITH A MID LEVEL CAP LIMITING CONVECTIVE POTENTIAL. MINIMUM RH
VALUES DROP TO BELOW 40S PERCENT ACROSS THE TRI-CITIES, LEADING TO
SOME LOWER END FIRE WEATHER CONCERNS TODAY. OTHERWISE, HOT AND HUMID
CONDITIONS BUILD IN SUNDAY INTO EARLY NEXT WEEK.
MIZ047-048-053-060-061-162115-
MIDLAND-BAY-SAGINAW-SHIAWASSEE-GENESEE-
INCLUDING THE CITIES OF MIDLAND-BAY CITY-SAGINAW-OWOSSO-FLINT
339 AM EDT SAT MAY 16 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 8 AM, THEN
MOSTLY CLOUDY (60-70 PERCENT) UNTIL 2 PM, THEN
MOSTLY SUNNY (25-35 PERCENT). RAIN SHOWERS
LIKELY AFTER 5 AM UNTIL 8 AM, THEN CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 11 AM. CHANCE OF PRECIPITATION 70 PERCENT.
MAX TEMPERATURE.....76-80.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........36-46 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......SOUTH 10 TO 15 MPH BECOMING WEST IN THE LATE
MORNING AND AFTERNOON.
MIXING HEIGHT.......4550-5050 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH BECOMING WEST IN THE
LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT (897).
PCPN AMOUNT.........0.06-0.10 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....48-54.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........82-92 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......WEST AROUND 5 MPH BECOMING NORTHWEST IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING
NORTHEAST AFTER MIDNIGHT.
MIXING HEIGHT.......700-900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH BECOMING NORTHEAST AFTER
MIDNIGHT.
SMOKE DISPERSAL.....POOR (12).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 2 PM. CHANCE OF PRECIPITATION 30
PERCENT.
MAX TEMPERATURE.....72-76.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........41-51 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......EAST 5 TO 10 MPH.
MIXING HEIGHT.......3680-4180 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH BECOMING SOUTHEAST EARLY IN
THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (526).
PCPN AMOUNT.........NONE.
MIZ049-054-055-062-162115-
HURON-TUSCOLA-SANILAC-LAPEER-
INCLUDING THE CITIES OF BAD AXE-CARO-SANDUSKY-LAPEER
339 AM EDT SAT MAY 16 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 8 AM, THEN
MOSTLY CLOUDY (65-75 PERCENT) UNTIL 2 PM, THEN
PARTLY CLOUDY (25-35 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 5 AM UNTIL 11 AM. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 8 AM UNTIL 2 PM. CHANCE OF
PRECIPITATION 70 PERCENT.
MAX TEMPERATURE.....76-80.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........45-55 PERCENT.
24 HR TREND......14 PERCENT WETTER.
20-FOOT WINDS.......SOUTH 10 TO 15 MPH BECOMING WEST 15 TO 20 MPH
IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......4260-4760 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH BECOMING WEST 20 TO 25 MPH
IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT (922).
PCPN AMOUNT.........0.06-0.10 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....46-52.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........83-92 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......WEST AROUND 5 MPH BECOMING NORTHEAST IN THE
LATE EVENING AND OVERNIGHT.
MIXING HEIGHT.......700-900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH BECOMING NORTHEAST AFTER
MIDNIGHT.
SMOKE DISPERSAL.....POOR (18).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT).
MAX TEMPERATURE.....68-74.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........43-53 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST 5 TO 10 MPH.
MIXING HEIGHT.......3180-3680 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH BECOMING SOUTHEAST IN
THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....GOOD (437).
PCPN AMOUNT.........NONE.
MIZ063-068>070-075-076-082-083-162115-
ST CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
INCLUDING THE CITIES OF PORT HURON-HOWELL-PONTIAC-WARREN-ANN
ARBOR-DETROIT-ADRIAN-MONROE
339 AM EDT SAT MAY 16 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) UNTIL 8 AM, THEN
MOSTLY CLOUDY (65-75 PERCENT) UNTIL 2 PM, THEN
PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 8 AM UNTIL 2 PM. CHANCE OF
SHOWERS AFTER 8 AM. CHANCE OF
THUNDERSTORMS AFTER 2 PM. CHANCE OF
PRECIPITATION 80 PERCENT.
MAX TEMPERATURE.....78-82.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........49-59 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......SOUTH 10 TO 15 MPH BECOMING WEST IN THE LATE
MORNING AND AFTERNOON.
MIXING HEIGHT.......3650-4150 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH BECOMING WEST IN THE LATE
MORNING AND AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT (736).
PCPN AMOUNT.........0.11-0.25 IN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MIN TEMPERATURE.....52-56.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........90-100 PERCENT.
24 HR TREND......19 PERCENT WETTER.
20-FOOT WINDS.......WEST 5 TO 10 MPH BECOMING NORTH AFTER MIDNIGHT.
MIXING HEIGHT.......700-900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH BECOMING NORTHWEST AFTER
MIDNIGHT.
SMOKE DISPERSAL.....POOR (11).
PCPN AMOUNT.........NONE.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER 2 PM. CHANCE OF
PRECIPITATION 30 PERCENT.
MAX TEMPERATURE.....76-82.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........43-53 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 5 MPH BECOMING SOUTHEAST 10 TO 15
MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......3550-4050 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH BECOMING SOUTH 10 TO 15
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....GOOD (576).
PCPN AMOUNT.........0.01-0.05 IN.
FORECAST DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S. SOUTH
WINDS AROUND 15 MPH.
TUESDAY
PARTLY CLOUDY. SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS
IN THE MID 60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 15 MPH.
WEDNESDAY
COOLER. MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN
THE MID 50S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER
60S.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S.
AA
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