516  
FNUS73 KDTX 140913  
FWSDTX  
 
SPOT FORECAST FOR SOUTH LAKE PRAIRIE...MIDNR  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
513 AM EDT THU MAY 14 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1100 EDT ON MAY 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
DEVELOPING SUNSHINE TODAY AND DRY AS MIN RH DIPS INTO  
THE 30 TO 40 PERCENT RANGE AND AS TEMPS REACH INTO LOW TO MID  
60S. MUCH WARMER THIS WEEKEND, BUT THERE WILL BE CHANCES OF  
SHOWERS AND THUNDERSTORMS FROM TIME TO TIME.  
   
REST OF TODAY
 
 
SKY/WEATHER.........BECOMING MOSTLY SUNNY (25-35 PERCENT).  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........39 PERCENT.  
SURFACE WINDS (MPH).NORTH WINDS 8 TO 12 MPH.  
DEWPOINT............39.  
EYE LEVEL WINDS.....NORTH WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......7400 FT AGL.  
TRANSPORT WINDS.....NORTH 16 TO 23 MPH.  
SMOKE DISPERSAL....EXCELLENT (MAX...1273).  
 
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%)..........21 21 29 37 28 32 34  
WEATHER COV......  
WEATHER TYPE.....  
TEMP.............56 58 60 61 63 64 64  
RH...............55 50 46 44 41 40 40  
EYE LVL WND DIR. N N N N N N N  
EYE LVL WND SPD. 8 10 10 8 8 7 6  
EYE LVL WND GST. 16 16 17 17 16 14 14  
MIX HGT (KFT)....5.2 6.0 6.5 7.1 7.0 7.4 6.8  
TRANSP WIND DIR..N N N N N N N  
TRANSP WIND SPD..23 23 22 21 20 17 16  
SMOKE DISPER......104 121 124 127 120 111 95  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........82 PERCENT.  
SURFACE WINDS (MPH).NORTH WINDS 5 TO 7 MPH EARLY IN THE  
EVENING...BECOMING LIGHT.  
DEWPOINT............38.  
EYE LEVEL WINDS.....NORTH WINDS UP TO 6 MPH EARLY IN THE  
EVENING...BECOMING LIGHT.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 14 MPH...BECOMING SOUTH 5 TO 6  
MPH OVERNIGHT.  
SMOKE DISPERSAL....POOR (MIN...13).  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%)..........34 24 21 6 30 36  
WEATHER COV......  
WEATHER TYPE.....NONE NONE NONE NONE NONE NONE  
TEMP.............64 62 52 46 42 42  
RH...............39 44 59 69 76 79  
EYE LVL WND DIR. N N N W N N  
EYE LVL WND SPD. 6 2 1 1 0 0  
EYE LVL WND GST. 12 7 5 4 2 2  
MIX HGT (KFT)....6400 700 600 400 400 300  
TRANSP WIND DIR..N N NW NW S S  
TRANSP WIND SPD..14 6 5 6 6 6  
SMOKE DISPER......77 4 2 2 2 2  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........40 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS...BECOMING SOUTHWEST 5 TO 10 MPH  
WITH GUSTS TO AROUND 22 MPH IN THE LATE MORNING  
AND AFTERNOON.  
DEWPOINT............38...INCREASING TO 42 IN THE LATE MORNING AND  
AFTERNOON.  
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 8 MPH EARLY IN THE  
MORNING...BECOMING LIGHT, THEN BECOMING  
SOUTHWEST UP TO 8 MPH WITH GUSTS TO AROUND 18  
MPH IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......3900 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 16 MPH...BECOMING SOUTHWEST 17 TO 20  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL....EXCELLENT (MAX...669).  
 
TIME (EDT) 6 AM 9 AM NOON 3 PM  
SKY (%)..........57 66 70 39  
WEATHER COV......  
WEATHER TYPE.....NONE NONE NONE NONE  
TEMP.............42 52 62 67  
RH...............80 63 46 41  
EYE LVL WND DIR. S S SW SW  
EYE LVL WND SPD. 2 4 7 7  
EYE LVL WND GST. 5 10 14 18  
MIX HGT (KFT)....300 1000 2700 2800  
MIXNG WIND......S 7 S 10 SW 16 S 20  
SMOKE DISPER......2 9 37 48  
 

 
 
FORECASTER...TILLEY  
REQUESTED BY...JEFF VASHER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613583.0/DTX  
.DELDT 05/14/26  
.FORMATTERVERSION 2.0.0  
.EMAIL VASHERJ@MICHIGAN.GOV  
 
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