Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
497 FNUS22 KWNS 101854 FWDDY2 Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0153 PM CDT Thu Sep 10 2026 Valid 111200Z - 121200Z Only minor adjustments were made to the Day 2/Friday Fire Weather Outlook based on the latest guidance. The rest of the forecast remains on track; please see the previous discussion for more information. ..Elizalde-Garcia.. 09/10/2026 .PREV DISCUSSION... /ISSUED 0102 AM CDT Thu Sep 10 2026/ ...Synopsis... A pronounced prefrontal trough/low develops ahead of a southward surging cold front across the Northern Plains on D2/Friday while an upper trough pushes farther southward into the Northwest CONUS. Enhanced westerly winds and downslope drying amid receptive fuels will promote elevated fire weather concerns for portions of the northern Plains Friday. ...Southeastern WY, southwestern South Dakota and northwestern Nebraska... Deep layer westerly flow accelerates across the northern High Plains through D1/Thursday night in response to the southward progressing mid/upper wave and deepening surface low across SD. The increasing westerly winds and cloud cover should limit boundary layer decoupling through D2/Friday morning across portions of the northern/central High Plains, where RH recoveries of 25% or less are most likely from given latest probabilistic guidance. West winds of 15-20 mph and afternoon RH reductions in the 10-15% range south of an advancing cold front will bring elevated fire weather threat to portions of southeastern WY, southwestern SD and northwestern NE amid a receptive fuelscape. ...Please see www.spc.noaa.gov/fire for graphic product... $$