


Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
888 FNUS21 KWNS 291642 FWDDY1 Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1142 AM CDT Sun Jun 29 2025 Valid 291700Z - 301200Z The previous forecast (see below) remains on track with no changes to Elevated highlights across southwestern Wyoming. Locally elevated fire weather conditions are possible across southern Arizona. Drought conditions and above normal fine fuel loading along with sustained west winds of 10-15 mph and relative humidity of 10-15 percent will bring a brief and localized fire weather threat to southern Arizona today. ..Williams.. 06/29/2025 .PREV DISCUSSION... /ISSUED 0204 AM CDT Sun Jun 29 2025/ ...Synopsis... Shortwave troughing over the northern US is forecast to move eastward as sub-tropical ridging begins to build over the West. A weak cold front will move south shifting winds to northwesterly over the Rockies and northern Plains. While weaker than the preceding days, lingering flow aloft will still aid in sustaining breezy northwest winds of 15-20 mph across the Interstate 80 corridor in southwest WY. The winds overlapping with relative humidity in the 15-20 percent range amid very dry fuels will support elevated fire weather conditions across southwest WY. ...Please see www.spc.noaa.gov/fire for graphic product... $$