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U.S. Day 1 Fire Weather Outlook
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 050648
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0148 AM CDT Sun Apr 05 2026
Valid 051200Z - 061200Z
...Synopsis...
Upper-level ridging will remain in place across the West today with
longwave troughing across the Great Lakes region. Concurrently,
surface high pressure will prevail across the central/southern Great
Plains while a cold front progresses eastward across the East
Coast/Southeast. A second cold front will simultaneously move
southward across the northern Great Plains.
...Portions of the southern High Plains...
A tightened surface pressure gradient between the aforementioned
surface high over the central Great Plains and low pressure across
the Gulf of California will promote sustained 15-20 mph
south-southeasterly return flow across the southern High Plains.
With no appreciable moisture return and only limited mid/high cloud
cover expected, diurnal heating/mixing are forecast to result in RH
values dropping to 10-20% across the same region. With current fuel
conditions across portions of the southern High Plains some of the
driest within the CONUS, this combination of winds and RH is
expected to promote elevated fire weather conditions for at least a
few hours this afternoon. Farther south across extreme southeastern
New Mexico and portions of West Texas, greater mid/high cloud cover
should result in RH values remaining more marginal. While locally
elevated fire weather conditions remain possible across this area,
the more marginal forecast RH values coupled with greater
uncertainty regarding wind speed duration and magnitude preclude a
southward expansion of Elevated highlights at this time.
..Chalmers.. 04/05/2026
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U.S. Day 2 Fire Weather Outlook
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 050652
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0152 AM CDT Sun Apr 05 2026
Valid 061200Z - 071200Z
...Synopsis...
Upper-level ridging over the West will begin to dampen on D2/Monday
as an incoming mid-level trough shifts into the Pacific Northwest
and a more second, more subtle, mid-level shortwave trough traverses
eastward over the Southwest. Simultaneously, longwave troughing will
persist across the Northeast, with a cold front continuing to
advance eastward across the Eastern Seaboard. A second cold front
will also progress southward across the central Great
Plains/Midwest.
...Portions of the central/southern High Plains...
Similar to D1/Sunday, a tightened surface pressure gradient will
result in sustained southwesterly winds of 15-20 mph over portions
of the central/southern High Plains on D2/Monday. With minimum RH
values forecast in the 10-15% range during the afternoon and dry,
receptive fuels in place across the region, this will promote
elevated fire weather concerns for portions of northeastern New
Mexico, southeastern Colorado, much of the Texas/Oklahoma
Panhandles, and southwestern Kansas. Latest high-res guidance
suggests that locally greater sustained surface winds of 20-25 mph
may support a brief period of critical fire weather conditions
Monday afternoon, with the greatest potential across the western
Oklahoma Panhandle and immediately adjacent portions of TX/NM/CO.
Critical highlights have been withheld at this time due to
uncertainty regarding the magnitude and duration of stronger
sustained surface winds as well as timing/positioning discrepancies
of an approaching cold front within latest model guidance. Trends
will be monitored for a possible upgrade in future outlooks.
The aforementioned cold front is forecast to progress slowly
southward before stalling in the vicinity of the Elevated area late
Monday evening into Monday night, but it remains uncertain as to how
far south this front will progress. Areas that do see the passage of
the cold front can expect a shift to northeasterly winds and at
least some increase in relative humidity.
..Chalmers.. 04/05/2026
U.S. Day 3-8 Fire Weather Outlook
ZCZC SPCFWDD38 ALL
FNUS28 KWNS 042130
Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0430 PM CDT Sat Apr 04 2026
Valid 061200Z - 121200Z
Upper-level ridging over the western US will begin to dampen on Day
3/Monday as due to an incoming trough over the Pacific Northwest.
Meanwhile, an upper-level trough and significant cold front will be
moving across the Eastern Seaboard, having left accumulated
precipitation across much of the central and eastern US. The second
trough will contribute to near-zonal flow across the southern half
of the CONUS on Day 5/Wednesday as it moves along the Canadian
border. On Day 6/Thursday, a cutoff upper-level low approaches the
central California coast. Recent forecast guidance suggests that it
will remain over California through Day 8/Saturday, contributing to
potentially multiple days of precipitation, particularly over
California and the western Great Basin.
...Southern Plains (Day 3/Monday and Day 5/Wednesday)...
Very similar to, but slightly east of, Day 2/Sunday, a tightened
surface pressure gradient will result in sustained south-southwest
winds of 15-20 mph over portions of the southern High Plains. This
combination of wind with afternoon RHs of 10-15%, supports continued
40% probabilities over the Texas and Oklahoma Panhandles and much of
southwest Kansas. Another day of tightened surface pressure gradient
supports south-southwest winds of up to 20 mph and RHs down to
10-15% over portions of the southern High Plains again on Day
5/Wednesday. Much of this region is favored for accumulating
precipitation as the aforementioned low pressure system moves inland
likely late next week.
...Southeast (Day 4/Tuesday and Day 5/Wednesday)...
One area that the latest forecast guidance leaves out of much of the
accumulating precipitation is just south/east of central and
southern Appalachian Mountains (especially over southern Georgia and
South Carolina). Offshore flow will likely contribute to elevated
fire weather conditions on Day 4/Tuesday across southern Georgia and
Day 5/Wednesday over eastern Georgia and southern South Carolina.
However, fuel receptivity remains in question due to preceding
precipitation, especially on Day 2/Sunday and Day 3/Monday.
...Great Basin/Southwest (Day 5/Wednesday and Day 6/Thursday)...
While some potential for critical conditions will exist across
portions of the eastern Great Basin and surrounding areas as the
upper-level ridge breaks down on Day 5/Wednesday and Day 6/Thursday,
recent precipitation and resultant questionably receptive fuels will
preclude any probabilities. While this event will dry fuels across
this region, additional precipitation appears likely with the
aforementioned low pressure system later in the week.
..Stearns.. 04/04/2026
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