057  
FNUS21 KWNS 150644  
FWDDY1  
 
DAY 1 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0144 AM CDT MON JUN 15 2026  
 
VALID 151200Z - 161200Z  
   
..SYNOPSIS
 
 
BETWEEN A LARGE-SCALE TROUGH ENCOMPASSING THE EASTERN TWO-THIRDS OF  
THE CONUS AND AN UPPER RIDGE OVER THE WEST, A ROBUST MIDLEVEL SPEED  
MAX WILL OVERSPREAD THE NORTHERN/CENTRAL PLAINS DURING THE DAY. AT  
THE SAME TIME, A RELATED COLD FRONT WILL ADVANCE SOUTHEASTWARD  
ACROSS THE REGION.  
 
ALONG/BEHIND THE COLD FRONT/SURFACE TROUGH, AMPLE DIURNAL HEATING  
WILL RESULT IN A WELL-MIXED BOUNDARY LAYER, WITH 15-20 PERCENT RH  
EXPECTED ACROSS PARTS OF EASTERN WY INTO THE NE PANHANDLE AND  
VICINITY. HERE, ENHANCED LOW/MIDLEVEL FLOW ALONG THE PERIPHERY OF  
THE PASSING SPEED MAX AND A TIGHTENING PRESSURE GRADIENT WILL RESULT  
IN 15-25 MPH SUSTAINED NORTHWESTERLY SURFACE WINDS. THESE DRY/BREEZY  
CONDITIONS ATOP DRY/RECEPTIVE FUELS WILL YIELD ELEVATED TO LOCALLY  
CRITICAL FIRE-WEATHER CONDITIONS DURING THE AFTERNOON.  
 
DESPITE RELATIVELY WEAKER UPPER-LEVEL SUPPORT, STRONG TERRAIN-DRIVEN  
WINDS OF 15-20 MPH (LOCALLY GREATER IN GAP-FLOW AREAS AND HIGHER  
ELEVATIONS) AND 10-15 PERCENT RH WILL PROMOTE LOCALLY ELEVATED FIRE  
WEATHER CONDITIONS ACROSS PARTS OF THE EASTERN GREAT BASIN, FOUR  
CORNERS, AND CENTRAL ROCKIES. HOWEVER, THESE CONDITIONS APPEAR TOO  
LOCALIZED FOR HIGHLIGHTS AT THIS TIME.  
 
..WEINMAN.. 06/15/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
 
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page