Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
289 FNUS21 KWNS 201535 FWDDY1 Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1035 AM CDT Mon Jul 20 2026 Valid 201700Z - 211200Z ...NO CRITICAL AREAS... High-based showers remain expected across portions of northern California and the Northwest today and tonight, with occasional embedded lightning possible. Locally elevated conditions are likely in portions of northern Minnesota as west-northwest sustained winds of 15-20 mph and minimum RH of 25-35% overlap behind a cold front. Additionally, post-frontal locally elevated conditions are likely in portions of the Dakotas into eastern Montana with north-northwest sustained winds of 10-20 mph amid minimum RH of 20-35%. ..Nauslar.. 07/20/2026 .PREV DISCUSSION... /ISSUED 0148 AM CDT Mon Jul 20 2026/ ...Synopsis... Along the northwestern periphery of an expansive upper ridge over the West, a low-amplitude midlevel disturbance and accompanying influx of midlevel moisture will overspread parts of the Northwest today. While this should support isolated high-based showers, weak buoyancy and warm EL temperatures should limit thunderstorm potential. With that said, an isolated storm or two cannot be entirely ruled out over the Cascades in OR. Elsewhere, a limited overlap of dry/windy conditions atop receptive fuels will reduce fire-weather concerns across the CONUS. ...Please see www.spc.noaa.gov/fire for graphic product... $$