297
FNUS73 KDTX 221440
FWSDTX
SPOT FORECAST FOR PETERSBURG...MIDNR
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1040 AM EDT WED APR 22 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 EDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THIS FORECAST IS BEING RESENT TO RESOLVE A WEB ISSUE
FROM THIS MORNING. GENERALLY DRY CONDITIONS EXPECTED FOR SE
MICHIGAN TODAY AND THURSDAY UNDER HIGH PRESSURE, ASIDE FROM A LOW
CHANCE OF A SHOWER OR THUNDERSTORM THIS AFTERNOON SOUTH OF I-94.
LIGHT WINDS OUT OF THE NORTH TODAY GRADUALLY VEER TO THE SOUTHEAST
TONIGHT AROUND THE HIGH. THE DRY AIRMASS IS REFLECTED IN MINIMUM
RH VALUES BETWEEN 35 AND 50 PERCENT.
REST OF TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). ISOLATED SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........48 PERCENT.
SURFACE WINDS (MPH).NORTHWEST WINDS AROUND 5 MPH EARLY IN THE
MORNING...BECOMING LIGHT, THEN BECOMING NORTH
AROUND 5 MPH LATE IN THE AFTERNOON.
DEWPOINT............51.
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 4 MPH EARLY IN THE
MORNING...BECOMING LIGHT, THEN BECOMING NORTH
AROUND 4 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......4900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 6 MPH...BECOMING WEST 5 TO 8 MPH
IN THE AFTERNOON.
SMOKE DISPERSAL....GOOD (MAX...300).
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%)..........43 34 32 22 17 13 7 10 9 8 8
WEATHER COV...... ISO ISO ISO ISO
WEATHER TYPE..... RW RW RW RW
TEMP.............51 52 54 58 62 65 69 71 72 72 72
RH...............93 92 89 78 70 65 57 52 49 48 48
EYE LVL WND DIR.NW NW N N NE NE NE N N N N
EYE LVL WND SPD.4 2 2 2 2 2 2 4 4 4 4
EYE LVL WND GST.6 6 6 6 6 6 6 6 7 7 7
MIX HGT (KFT)....0.3 0.3 0.5 1.1 1.8 2.2 3.0 3.7 4.6 4.9 4.3
TRANSP WIND DIR..NW NW N N W SW W SW W W W
TRANSP WIND SPD..6 6 6 3 3 5 5 5 6 7 8
SMOKE DISPER......2 2 2 3 5 9 12 15 23 30 30
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). ISOLATED SHOWERS
AND THUNDERSTORMS EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........79 PERCENT.
SURFACE WINDS (MPH).EAST WINDS AROUND 5 MPH IN THE EVENING AND
OVERNIGHT...BECOMING LIGHT.
DEWPOINT............49...DECREASING TO 43 OVERNIGHT.
EYE LEVEL WINDS.....EAST WINDS AROUND 4 MPH IN THE EVENING AND
OVERNIGHT...BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH...BECOMING EAST 6 TO 9
MPH.
SMOKE DISPERSAL....POOR (MIN...18).
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%)..........9 10 7 10 22 19
WEATHER COV......ISOLTD
WEATHER TYPE.....RNSHWR NONE NONE NONE NONE NONE
TEMP.............71 66 59 55 51 50
RH...............50 57 70 75 75 75
EYE LVL WND DIR.E E E E E E
EYE LVL WND SPD.4 4 4 4 4 2
EYE LVL WND GST.7 6 6 7 7 6
MIX HGT (KFT)....3000 400 400 400 700 400
TRANSP WIND DIR..SW E E E E E
TRANSP WIND SPD..8 6 7 9 8 8
SMOKE DISPER......21 2 2 3 5 3
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........50 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS...BECOMING SOUTHEAST 5 TO 6 MPH
EARLY IN THE MORNING, THEN INCREASING TO 7 TO
8 MPH IN THE AFTERNOON.
DEWPOINT............44...INCREASING TO 53.
EYE LEVEL WINDS.....LIGHT WINDS...BECOMING SOUTHEAST UP TO 5 MPH
EARLY IN THE MORNING, THEN INCREASING TO
AROUND 6 MPH IN THE AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 8 MPH...BECOMING SOUTH 9 TO 12
MPH IN THE AFTERNOON.
SMOKE DISPERSAL....GOOD (MAX...349).
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%)..........23 33 33 30
WEATHER COV......
WEATHER TYPE.....NONE NONE NONE NONE
TEMP.............49 55 64 72
RH...............78 73 63 53
EYE LVL WND DIR.E E SE SE
EYE LVL WND SPD.2 4 5 6
EYE LVL WND GST.6 7 10 12
MIX HGT (KFT)....300 700 1900 3400
MIXNG WIND......E 7 E 7 SE 8 S 12
SMOKE DISPER......2 4 14 33
FORECASTER...KOOK
REQUESTED BY...JEFF VASHER
TYPE OF REQUEST...PRESCRIBED
.TAG 2611273.0/DTX
.DELDT 04/22/26
.FORMATTERVERSION 2.0.0
.EMAIL VASHERJ@MICHIGAN.GOV
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