


Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
338 FNUS22 KWNS 151942 FWDDY2 Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0241 PM CDT Tue Jul 15 2025 Valid 161200Z - 171200Z Only minor adjustments were made to previous forecast highlights. A broad dry thunderstorm threat will remain across portions of the Great Basin, Utah and Western Slope. Thermodynamic profiles remain supportive of high-based thunderstorms with dry sub cloud layer evaporation minimizing appreciable rainfall while increasing potential new lightning ignitions over critically dry fuels. Dry and breezy conditions across eastern NV and west-central UT will promote an elevated fire weather threat amid fuel ERC values around the 97th percentile, supporting fire spread. ..Williams.. 07/15/2025 .PREV DISCUSSION... /ISSUED 0155 AM CDT Tue Jul 15 2025/ ...Synopsis... A departing mid-level trough will bring continued breezy conditions and Elevated fire weather concerns across portions of southeastern Nevada into western Utah on Wednesday. Afternoon relative humidity reductions to 10-15 percent will overlap winds 10-15 mph in these regions. Fuels remain critically dry with recent dry lightning and potential for quick spread of new fires. ...Dry Thunderstorms... A broad area of dry thunderstorm activity will be possible again from northern AZ into western CO, UT, southern WY, and portions of eastern NV. High based thunderstorms are expected to continue to bring little to no rainfall amid critically dry fuels. This will support potential for new lightning ignitions. ...Please see www.spc.noaa.gov/fire for graphic product... $$