Prairie City, Oregon Weather Forecast Discussion

086
FXUS66 KPDT 050546
AFDPDT
Area Forecast Discussion
National Weather Service Pendleton OR
1046 PM PDT Thu Sep 4 2025
.UPDATED AVIATION...06Z TAFs...VFR conditions will persist through
the forecast period with the exception of YKM. YKM will remain
MVFR with VSBY at 4SM through much of the forecast period.
PDT/ALW/PSC will all have periods of Haze as well, however, VSBY
will remain 6SM. Winds are mostly light and variable under 6 kts
with CIGs FEW/SCT 15025 kft. Bennese/90
&&
PREV DISCUSSION... /issued 206 PM PDT Thu Sep 4 2025/
DISCUSSION...Today through Sunday, a hot, dry, and unstable
pattern will gradually yield to a slightly cooler convective
pattern as multiple shortwaves rotate around a closed low that is
currently churning offshore in the Pacific.
Red Flag Warnings have been issued for portions of central
Oregon, valid Friday afternoon through Friday evening, for
thunderstorms capable of producing abundant cloud-to-ground
lightning. While storm motion will be slow (5-15 mph) -- and
PWATs near to above normal -- which will likely facilitate at
least some wet cores, the main concern is abundant lightning on
dry fuels. Additionally, Fire Weather Watches have also been
issued for portions of the eastern mountains and the Warm Springs
Reservation, also for lightning.
Farther north, isolated convection is forecast for the Washington
Cascades today and Friday, but confidence in abundant cloud-to-
ground lightning is too low (70%) in a pattern change to cooler,
unsettled conditions as the upper low swings onshore. Widespread
showers are forecast, with a slight chance of thunder for the
mountains (mainly the Blues). Plunkett/86
&&
.PRELIMINARY POINT TEMPS/POPS...
PDT  65  94  64  89 /   0   0  10  20
ALW  69  97  68  91 /   0   0   0  10
PSC  62  97  62  92 /   0   0  10  10
YKM  66  96  67  92 /   0   0  10  20
HRI  64  97  64  90 /   0   0  10  20
ELN  61  94  61  91 /   0   0  10  20
RDM  57  91  54  85 /  20  40  40  40
LGD  60  94  60  89 /   0  10  10  30
GCD  60  93  60  86 /  20  20  30  40
DLS  69  97  68  89 /  10  10  20  40
&&
.PDT WATCHES/WARNINGS/ADVISORIES...
OR...Fire Weather Watch from Friday afternoon through Friday evening
     for ORZ696>699-703.
Red Flag Warning from 1 PM to 11 PM PDT Friday for ORZ700-704-
     705.
WA...None.
&&
$$
SHORT TERM...86
LONG TERM....86
AVIATION...90

NWS PDT Office Area Forecast Discussion