ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 290650

   Day 1 Fire Weather Outlook  
   NWS Storm Prediction Center Norman OK
   0150 AM CDT Sun Mar 29 2026

   Valid 291200Z - 301200Z

   ...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SOUTHEASTERN
   WYOMING...

   ...Synopsis...
   Broad upper ridging will overspread the CONUS today, with an
   embedded mid-level impulse poised to traverse the Interior West
   through the Day 1 period. Surface troughing will become established
   across portions of the High Plains, resulting in dry westerly
   surface flow. By afternoon peak heating, RH may drop to or below 15
   percent from the eastern Great Basin into the central/southern
   Rockies and High Plains regions. 15+ mph sustained southwesterly
   surface winds may develop across the Interior West, with westerly
   winds expected over Wyoming, and west-northwesterly surface flow
   likely over the High Plains, warranting widespread Elevated
   highlights given dry fuels. Portions of eastern Wyoming may
   experience periods of sustained westerly surface winds exceeding 20
   mph amid 10-15 percent RH, with Critical highlights maintained. 

   Farther to the southwest across southern Arizona, the approach of a
   subtle mid-level impulse from Mexico, amid scant buoyancy, may
   support isolated thunderstorm development by afternoon. Given the
   presence of a deep, dry boundary layer extending to nearly 500 mb,
   most of the rain from storms should evaporate before reaching the
   surface, with lightning potentially occurring within dry fuel beds.
   Isolated dry thunderstorm highlights have been maintained for this
   scenario.

   Across portions of the central Appalachians, 10-15 mph sustained
   southerly winds, amid a plume of low-level dry air (yielding RH
   potentially below 25 percent in spots), will support appreciable
   wildfire-spread potential given dry fuels. Elevated highlights
   remain in place for these conditions as well.

   ..Squitieri.. 03/29/2026