071  
FNUS73 KLSX 131933  
FWSLSX  
 
SPOT FORECAST FOR FEMA PTM CLASS...UNIFIED FIRE AUTHORITY  
NATIONAL WEATHER SERVICE SAINT LOUIS MO  
233 PM CDT TUE MAY 13 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1400 CDT ON MAY 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE.  
   
DISCUSSION
 
 
SCATTERED SHOWERS AND THUNDERSTORMS ARE CURRENTLY SEEN ON RADAR  
AND WILL PERSIST OVER THE AREA THROUGH 6 PM. THE CHANCE FOR  
THEM REACHING THE SITE ARE 30 PERCENT. WINDS WILL REMAIN LIGHT  
OUTSIDE OF THUNDERSTORMS, WITH SOME GUSTS TO 20 TO 30 MPH  
POSSIBLE WITH THUNDERSTORMS WITH A BRIEF MODERATE TO HEAVY  
DOWNPOURS. HIGH TEMPERATURES WILL REACH AROUND 80 DEGREES THIS  
AFTERNOON BEFORE COOLING INTO THE 60S THIS EVENING.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF THUNDER...30 PERCENT.  
TEMPERATURE.........76 AT FORECAST START...MAX 80.  
RH..................63 PERCENT AT FORECAST START...MIN 57 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTH AROUND 6 MPH LATE IN  
THE AFTERNOON.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
PATCHY FOG OVERNIGHT.  
CHANCE OF THUNDER...0 PERCENT.  
TEMPERATURE.........MIN 59.  
RH..................MAX 100 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
CHANCE OF THUNDER...0 PERCENT.  
TEMPERATURE.........MAX 84.  
RH..................MIN 55 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTHEAST 6 TO 11 MPH.  
 

 
FORECASTER...BRITT  
REQUESTED BY...EMBRET FOSSUM  
TYPE OF REQUEST...OTHER  
.TAG 2513898.0/LSX  
.DELDT 05/13/25  
.FORMATTERVERSION 2.0.0  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MO Page
The Nexlab IL Page Main Text Page