704
FNUS73 KDTX 181430
FWSDTX
SPOT FORECAST FOR HIGHLAND FIELD TRIAL AREA 1/2...MIDNR
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1030 AM EDT THU SEP 18 2025
FORECAST IS BASED ON FORECAST START TIME OF 1300 EDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A WEAK COLD FRONT WILL WILL MOVE INTO CENTRAL MICHIGAN
AND THE THUMB REGION THIS AFTERNOON, PROVIDING A CHANCE FOR SHOWERS
AND THUNDERSTORMS. OTHERWISE, WARM AND DRY CONDITIONS WILL PERSIST
THROUGH THE DAY. THE FRONT WILL PUSH SOUTHWARD INTO SOUTHERN
MICHIGAN TONIGHT. THE POST FRONTAL AIRMASS WILL RESULT IN MORE CLOUD
COVER AND COOLER TEMPERATURES AND HIGHER HUMIDITIES ON FRIDAY.
DEVELOPING SOUTHERLY FLOW WILL DRIVE WARMER AND INCREASINGLY MORE
HUMID AIR ACROSS THE REGION BY THE END OF THE WEEKEND.
REST OF TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). SLIGHT CHANCE OF SHOWERS
LATE IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........38 PERCENT.
SURFACE WINDS (MPH).NORTHWEST WINDS 6 TO 7 MPH.
DEWPOINT............56.
EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 9 MPH.
SMOKE DISPERSAL....GOOD (MAX...517).
TIME (EDT) 9AM 10A 11A 12P 1PM
SKY (%)..........21 20 19 21 27
WEATHER COV...... SCH SCH SCH SCH
WEATHER TYPE..... RW RW RW RW
TEMP.............81 83 84 84 83
RH...............42 39 39 38 40
EYE LVL WND DIR.NW NW NW NW NW
EYE LVL WND SPD.5 5 6 6 6
EYE LVL WND GST.8 8 10 10 10
MIX HGT (KFT)....4.7 5.7 6.2 6.5 6.4
TRANSP WIND DIR..NW NW NW NW NW
TRANSP WIND SPD..8 8 9 9 9
SMOKE DISPER......33 40 50 52 51
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)BECOMING MOSTLY
CLOUDY (55-65 PERCENT)BECOMING PARTLY CLOUDY
(45-55 PERCENT)BECOMING MOSTLY CLOUDY (45-55
PERCENT)BECOMING PARTLY CLOUDY (45-55
PERCENT)BECOMING MOSTLY CLOUDY (50-60
PERCENT)BECOMING PARTLY CLOUDY (40-50
PERCENT)BECOMING MOSTLY CLOUDY (50-60 PERCENT).
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........100 PERCENT.
SURFACE WINDS (MPH).NORTH WINDS 5 TO 6 MPH...BECOMING NORTHEAST
AROUND 5 MPH IN THE LATE EVENING AND OVERNIGHT,
THEN BECOMING LIGHT AFTER 3 AM...BECOMING
NORTHEAST AROUND 5 MPH AFTER 3 AM.
DEWPOINT............59.
EYE LEVEL WINDS.....NORTH WINDS AROUND 5 MPH...DIMINISHING TO
AROUND 4 MPH EARLY IN THE EVENING,
THEN BECOMING NORTHEAST IN THE LATE EVENING
AND OVERNIGHT...BECOMING LIGHT AFTER 3
AM...BECOMING NORTHEAST AROUND 4 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTH 8 TO 10 MPH...BECOMING NORTHEAST 8 TO 9
MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL....POOR (MIN...30).
TIME (EDT) 2 PM 4 PM 6 PM 8 PM 10 PM MIDNGT
SKY (%)..........39 60 52 53 53 57
WEATHER COV......S CHC
WEATHER TYPE.....RNSHWR NONE NONE NONE NONE NONE
TEMP.............81 75 67 64 61 60
RH...............43 57 79 91 98 99
EYE LVL WND DIR.N N NE NE NE NE
EYE LVL WND SPD.5 4 4 4 4 4
EYE LVL WND GST.8 6 6 6 6 6
MIX HGT (KFT)....4800 500 500 700 900 600
TRANSP WIND DIR..N N NE E NE E
TRANSP WIND SPD..10 9 9 9 8 8
SMOKE DISPER......43 4 4 6 6 4
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........59 PERCENT.
SURFACE WINDS (MPH).EAST WINDS 5 TO 7 MPH.
DEWPOINT............59.
EYE LEVEL WINDS.....EAST WINDS UP TO 6 MPH.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 12 MPH.
SMOKE DISPERSAL....FAIR (MAX...244).
TIME (EDT) 2 AM 5 AM 8 AM 11 AM
SKY (%)..........57 36 44 42
WEATHER COV......
WEATHER TYPE.....NONE NONE NONE NONE
TEMP.............59 61 71 75
RH...............99 97 70 60
EYE LVL WND DIR.NE E E E
EYE LVL WND SPD.4 4 5 5
EYE LVL WND GST.6 8 10 11
MIX HGT (KFT)....600 1100 2200 3500
MIXNG WIND......E 10 E 12 NE 8 NE 8
SMOKE DISPER......6 11 16 24
FORECASTER...CONSIDINE
REQUESTED BY...NATE STEARNS
TYPE OF REQUEST...PRESCRIBED
.TAG 2522147.0/DTX
.DELDT 09/18/25
.FORMATTERVERSION 2.0.0
.EMAIL STEARNSN@MICHIGAN.GOV
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