Area Forecast Discussion
Issued by NWS Billings, MT

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FXUS65 KBYZ 030858

Area Forecast Discussion
National Weather Service Billings MT
258 AM MDT Mon Oct 3 2022


Today through Tuesday Night...

As of early this morning, satellite imagery had the upper low
centered over northern Rosebud County. Areas of showers and
isolated thunderstorms continue to spread through southern
Montana. Expect additional periods of showers and isolated
thunderstorms to move through the area today as the low slowly
spins east. Shower chances gradually diminish from west to east
tonight into Tuesday, lingering longest over far southeast Montana
as the upper low finally shifts east into the Dakotas. Highs today
will range from the lower to middle 60s, warming into the upper
60s to lower 70s on Tuesday. Low temperatures mainly in the 40s
can be expected tonight and Tuesday night. STP

Wednesday through Sunday...

Wednesday looks to be the warmest day of the extended period as
an upper ridge slides into Montana. This ridge will quickly get
flattened and pushed west as a deep trough moves into the Great
Lakes on Thursday, producing northwest flow aloft. This northwest
flow pattern will bring a cold front across the area Wednesday
night and Thursday. High temperatures on Thursday will be 15 to 20
degrees cooler compared to Wednesday, with maxes mainly in the
mid to upper 50s. There will be ascent behind the front for a
chance of showers. The strongest lift will be over the east and
mountainous terrain, so focused PoPs there.

Northwest flow progged to remain through next weekend, keeping
temperatures seasonal. Another surge of energy in this northwest
flow will swing through far eastern Montana and the western
Dakotas Thursday night and Friday, for another small chance of
showers. Otherwise, the forecast should remain dry and pretty
quite Friday through Sunday.

Looking further ahead, there are indications of a substantial
trough sliding into the northern Rockies and northern Plains for
the middle of next week. Should this materialize, this could bring
the coldest air of the early season, along with a good chance of
more rain, possibly wet snow. This is way out there though, so
there is a ton of time for this to be ironed out. Stay tuned. TWH



An upper low will move slowly into eastern Montana today. This
will provide another say of scattered showers (although not as
numerous, or intense, as the last couple of days). MVFR conditions
are expected, with localized IFR in the morning, with patchy fog
and lower stratus in heavier showers. The unsettled conditions
will continue this evening before a drying trend kicks in
overnight. TWH



    Tdy Tue     Wed     Thu     Fri     Sat     Sun
BIL 064 046/071 046/074 045/059 040/062 041/065 042/068
    3/W 10/U    00/U    11/B    00/B    00/B    01/U
LVM 065 038/072 040/075 040/063 038/066 037/068 037/069
    3/W 00/U    00/U    00/B    00/B    00/U    01/U
HDN 065 041/071 041/075 041/062 036/064 037/067 037/069
    4/T 20/U    00/U    11/B    00/U    00/U    01/U
MLS 064 047/070 045/073 043/054 034/060 037/064 037/067
    6/T 30/U    00/U    21/B    00/U    00/U    00/U
4BQ 063 046/067 044/073 043/056 035/061 037/063 038/066
    5/T 41/B    00/U    12/W    10/U    00/U    00/U
BHK 062 046/067 045/072 036/051 028/057 033/062 036/064
    5/T 42/W    00/U    21/B    00/U    00/U    00/U
SHR 064 039/069 041/074 041/061 038/063 037/065 038/068
    5/T 21/U    00/U    12/W    21/B    00/B    11/U




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