896  
FNUS22 KWNS 111951  
FWDDY2  
 
DAY 2 FIRE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0251 PM CDT FRI SEP 11 2026  
 
VALID 121200Z - 131200Z  
 
...GREAT BASIN AND PARTS OF THE SACRAMENTO VALLEY AND ADJACENT  
FOOTHILLS...  
A ROBUST UPPER LOW AND ASSOCIATED 65-75 KNOT MID-LEVEL JET MOVING  
INTO PACIFIC NORTHWEST AND NORTHERN CA WILL PROMOTE ELEVATED FIRE  
WEATHER CONCERNS ACROSS MUCH OF THE GREAT BASIN AND PORTIONS OF THE  
SACRAMENTO VALLEY AND ADJACENT FOOTHILLS/COASTAL RANGE ON  
D2/SATURDAY. WEST/SOUTHWEST WINDS OF 15-20 MPH WILL EVOLVE ACROSS  
MUCH OF NV, SOUTHERN ID BY SATURDAY AFTERNOON WHILE RH REDUCTIONS OF  
10-15% WILL BE COMMON CENTRAL/SOUTHERN NV. A CORRIDOR OF ENHANCED  
SOUTHWESTERLY WINDS OF 20-30 MPH IN CLOSER VICINITY TO THE MID-LEVEL  
JET IS EXPECTED ACROSS FAR NORTHEASTERN CA, FAR NORTHWEST NV AND  
SOUTHEASTERN OR. HOWEVER, FUEL RECEPTIVENESS ACROSS THE REGION WILL  
REMAIN SUBDUED DUE TO RECENT MOISTURE AND AFTERNOON RH CLOSER TO  
20-25% SHOULD INSULATE IMPACTS FROM AN OTHERWISE NEAR-CRITICAL  
METEOROLOGICAL ENVIRONMENT.  
 
ELEVATED HIGHLIGHTS HAVE BEEN INTRODUCED INTO PORTIONS OF THE  
SACRAMENTO VALLEY AND COASTAL RANGE VICINITY FOR SATURDAY. ONSHORE  
FLOW ACCELERATES THROUGH SATURDAY AS THE UPPER LOW AND ASSOCIATED  
STRONGER FLOW ALOFT PUSH INTO THE REGION. THE ONSHORE FLOW SHOULD  
INHIBIT CRITICALLY LOW RH OF 15% OR LESS FROM DEVELOPING SATURDAY  
AFTERNOON. HOWEVER, WEST WINDS OF 10-20 MPH (LOCALIZED WIND GUSTS OF  
40 MPH IN FAVORED COASTAL RANGE TERRAIN GAPS) WILL SUSTAIN AN  
OVERALL FIRE WEATHER THREAT WITHIN SUFFICIENTLY RECEPTIVE FUELSCAPE.  
 
..WILLIAMS.. 09/11/2026  
   
PREV DISCUSSION
 
/ISSUED 0207 AM CDT FRI SEP 11 2026/  
   
..SYNOPSIS
 
 
AN UPPER LOW IS FORECAST TO MOVE INTO PORTIONS OF THE PACIFIC  
NORTHWEST ON SATURDAY WITH A FAIRLY STRONG 70 KT JET STREAK. AS THIS  
JET STREAK BEGINS TO ENTER THE GREAT BASIN, THE CROSS-RANGE FLOW AND  
BOUNDARY LAYER MIXING WILL RESULT IN DRY AND BREEZY CONDITIONS  
SUPPORTING ELEVATED FIRE-WEATHER HIGHLIGHTS.  
 
   
..NORTHERN NEVADA INTO FAR SOUTHERN PORTIONS OF OREGON AND IDAHO
 
 
WESTERLY SURFACE WINDS SHOULD BECOME FAIRLY GUSTY, REACHING 20-25  
MPH AND RELATIVE HUMIDITY OF 10-15%. HOWEVER, FUELS ARE GENERALLY IN  
THE VICINITY OF THE 50TH-60TH ANNUAL ERC PERCENTILES, SUGGESTING A  
LACK OF RECEPTIVENESS TO WILDFIRE IGNITION AND SPREAD. IN SPITE OF  
THE MEAGER FUELS, METEOROLOGICAL CONDITIONS WILL WARRANT AT LEAST  
ELEVATED HIGHLIGHTS OWING TO THE STRONG SURFACE WINDS.  
   
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
 
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page