


Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
084 FNUS21 KWNS 311622 FWDDY1 Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1121 AM CDT Thu Jul 31 2025 Valid 311700Z - 011200Z ...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE CENTRAL AND EASTERN GREAT BASIN... No changes to the ongoing forecast. ..Wendt.. 07/31/2025 .PREV DISCUSSION... /ISSUED 0247 AM CDT Thu Jul 31 2025/ ...Synopsis... Broad mid-level troughing will overspread the Interior West today, with multiple mid-level impulses poised to pivot around the trough through the Day 1 period. Upper support with a glancing mid-level impulse will encourage dry and windy conditions across portions of the eastern Great Basin. 20+ mph sustained southwesterly surface winds amid 15 percent RH will overspread dry fuels for several hours during the afternoon, warranting Critical highlights. Mid-level moisture will continue to advect northward across the Pacific Northwest and overspread a relatively dry low-level airmass. High-based thunderstorms will develop during the afternoon and evening hours, with a mix of wet and dry storms possible. Given receptive fuels, isolated dry thunderstorm highlights have been added. ...Please see www.spc.noaa.gov/fire for graphic product... $$