078
FXUS65 KBYZ 122159
AFDBYZ

Area Forecast Discussion...Updated
National Weather Service Billings MT
259 PM MST Wed Nov 12 2025

.KEY MESSAGES...

- Much above normal temperatures continue through Friday; a few
  daily record highs may be approached Thursday and Friday.

- Strong winds along the western foothills Thursday night and
  Friday; impacts to travel on I-90 through Livingston.

- Weak Pacific system brings cooler (but not cold) temps and
  scattered showers Friday afternoon into Saturday; temps remain
  warmer than normal through the weekend.

- There is potential for a cooler and wetter weather system next
  Monday and Tuesday, but high uncertainty exists at this time.

&&

.DISCUSSION...

Today through Tuesday...

Current analysis is showing ridging over the region with high
clouds blanketing the sky. This pattern will keep the region warm
and dry today through most of the day Friday. As a result, high
temperatures will remain about 10-20 degrees above average for
this time of year with highs forecast to be in the upper 50s to
low 70s. Record high temperatures have the potential to be broken
at Billings, Miles City and Baker on Thursday. Before an
anticipated frontal passage Friday evening, a gap wind pattern
will set up to bring strong southwest winds to the Livingston and
Nye areas. The best timing for these winds will be late Thursday
evening through Friday afternoon. There is about a 80% chance for
wind gusts to at least 50 mph and about a 50% chance for gusts to
60 mph. Precipitation will most likely remain over the mountains
early Friday afternoon before making its way onto the plains
Friday evening and overnight. The Beartooth/Absarokas are expected
to receive 2-4 inches of snow in the highest peaks with less than
a tenth of an inch of rain for the plains. Temperatures will vary
across the region given prefrontal conditions, with upper 50s in
the west and low 70s in the east. Conditions will cool for the
weekend into the 50s as brief ridging sets back in. Late weekend,
ensembles are differing greatly on upper level pattern potential.
Ensembles are in decent agreement on a low moving up from the
southwest, allowing for some energy to clip the MT/WY border, but
after that, timing on additional troughing has a lot of spread.
Confidence is still high that temperatures will decrease through
the week next week. High temperatures for the remainder of the
period are also uncertain as a result, but will generally cool to
the upper 30s to 50s degrees. TS

.AVIATION...

VFR conditions will prevail through the forecast period. Look for
breezy gap winds to occur around KLVM tonight before stronger gap
winds develop Thursday evening/night. Arends

&&

.PRELIMINARY POINT TEMP/POPS...

    Tdy Thu     Fri     Sat     Sun     Mon     Tue
-------------------------------------------------------
BIL 062 041/068 049/066 041/059 035/055 035/047 029/040
    0/U 00/U    01/N    21/B    01/B    23/W    42/W
LVM 064 039/065 047/060 040/058 034/055 034/048 026/041
    0/B 00/N    14/W    21/B    01/B    34/W    53/J
HDN 060 034/069 042/068 038/058 032/057 032/047 027/041
    0/U 00/U    01/B    41/B    01/B    34/W    43/W
MLS 056 033/065 039/065 035/052 032/054 032/044 026/038
    0/U 00/U    00/B    20/B    00/B    12/W    32/W
4BQ 059 036/066 041/067 038/054 034/055 032/044 027/038
    0/U 00/U    00/B    21/B    00/B    23/W    32/W
BHK 056 032/065 039/065 033/050 028/053 029/043 023/037
    0/B 00/U    00/B    20/B    00/B    13/W    31/E
SHR 061 035/068 038/069 033/057 031/056 031/046 024/041
    0/U 00/U    00/B    21/B    00/B    34/W    43/W

&&

.BYZ WATCHES/WARNINGS/ADVISORIES...
MT...None.
WY...None.

&&

$$
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