Fire Weather Outlook Discussion
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220
FNUS21 KWNS 010603
FWDDY1

Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0103 AM CDT Tue Sep 01 2026

Valid 011200Z - 021200Z

...Synopsis...
A mid-level low pressure system currently off the west CONUS coast
will move onshore tonight, bringing southwest to southerly flow over
a good portion of the western US states today. Despite the delayed
onset of stronger 40-50 kt mid-level winds until late
afternoon/evening, a surface trough across the interior Northwest,
coupled with modest southwest 15-20 knot boundary layer flow, will
support southwest surface winds of 10-20 mph across northeastern CA,
far northwestern NV, and south-central OR. Though high temperatures
will fall short of normal for this time of year across much of the
far western CONUS, afternoon RHs will fall to near 10-15% across
much of the drawn area coincident with the aforementioned winds,
supporting an Elevated fire weather risk this afternoon which will
persist into the evening hours, particularly over the far western
Great Basin.

..Stearns.. 09/01/2026

...Please see www.spc.noaa.gov/fire for graphic product...

$$