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Day 2 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
0205 PM CDT Wed Aug 31 2022

Valid 011200Z - 021200Z

No changes to the ongoing forecast.

..Wendt.. 08/31/2022

.PREV DISCUSSION... /ISSUED 0138 AM CDT Wed Aug 31 2022/

...Synopsis...
Elevated fire weather conditions appear likely Thursday afternoon
across parts of the northern High Plains and the Snake River Plain.
A weak upper-wave, currently approaching northern CA, will translate
across the northern Rockies as it rounds the crest of a dominant
Great Basin upper Ridge. This feature will phase with a more robust
Canadian wave, resulting in enhanced mid-level flow and the eastward
propagation of a surface low and associated cold front into the
Canadian Prairie and northern Plains.

...Snake River Plain...
The passage of the upper disturbance will enhance 850-700 mb flow
across southern ID Thursday. These winds will reach to the surface
by early afternoon amid deep boundary-layer mixing, and help
maintain 15-20 mph surface winds (with occasional gusts to 25 mph).
Limited moisture return over the next 48 hours will maintain dry
fuels and favor RH reductions into the low teens. Elevated fire
weather conditions appear likely, and brief/localized critical
conditions are possible based on drier/windier ensemble members.

...Central Montana...
The Canadian cool front/surface trough will likely push across
central/eastern MT through the late afternoon and early evening
hours Thursday. The late timing of the front, and relatively
warm/dry post-frontal air mass, will allow temperatures to climb
into the 90s with RH reductions into the teens and low 20s.
North/northwesterly 15-20 mph winds are expected by late afternoon
and will support a broad swath of elevated fire weather concerns
across central to northeast MT. Elevated conditions are possible as
far east as the western Dakotas and eastern WY, but confidence in
the spatial coverage of these conditions remains too limited to
warrant an expansion of the risk area.

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