Alert archive / Montana / Snow Squall Warnings in 2025

Snow Squall Warning 9, NWS Great Falls, MT

December 27, 2025Broadwater County, Gallatin County, Jefferson County, Montana

NWS Great Falls, MT issued this snow squall warning at Dec 27, 2025, 12:37 PM MST for Broadwater County, Gallatin County, Jefferson County, Montana. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 27, 2025, 12:37 PM MST (19:37 UTC)
Expired: Dec 27, 2025, 1:30 PM MST
In force: 53 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon

Counties Broadwater County, MT, Gallatin County, MT, Jefferson County, MT

The radar

The Great Falls radar (KTFX), 162 km from the middle of the area, began a volume at 19:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this snow squall warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Great Falls, MT wrote its last area forecast discussion before this snow squall warning went out at Dec 27, 10:44 AM MST, 1 hour 53 minutes earlier.

Area forecast discussion, Dec 27, 10:44 AM MST, 1 hour 53 minutes before

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In the hours before

Local storm report, Dec 27, 7:20 AM MST, 5 hours 17 minutes before

Preliminary Local Storm Report
National Weather Service Great Falls MT
720 AM MST Sat Dec 27 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0520 AM     Non-Tstm Wnd Gst 11 SSE Whitlash         48.75N 111.17W
12/27/2025  M59 MPH          Liberty            MT   Mesonet

            Mesonet station GW2412 Hill 2sw.

&&

AM

Local storm report, Dec 27, 9:17 AM MST, 3 hours 20 minutes before

Preliminary Local Storm Report
National Weather Service Great Falls MT
917 AM MST Sat Dec 27 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0917 AM     Snow             5 ESE Bozeman Hot Sprin 45.61N 111.10W
12/27/2025  M4.0 Inch        Gallatin           MT   Trained Spotter

            4 inches of snow since 5:30am.

&&

MPL

Local storm report, Dec 27, 9:51 AM MST, 2 hours 46 minutes before

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Special weather statement, Dec 27, 10:00 AM MST, 2 hours 37 minutes before

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Local storm report, Dec 27, 11:17 AM MST, 1 hour 20 minutes before

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Special weather statement, Dec 27, 11:51 AM MST, 46 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 27, 8:33 AM MST	Snow Squall Warning	TFX	Pondera, Teton	42 min
Dec 27, 9:15 AM MST	Snow Squall Warning	TFX	Cascade, Lewis and Clark, Teton	45 min
Dec 27, 10:00 AM MST	Special Weather Statement	TFX	Cascade	45 min
Dec 27, 12:00 PM MST	Snow Squall Warning	TFX	Broadwater, Jefferson, Lewis and Clark, Meagher	60 min
Dec 27, 12:58 PM MST	Special Weather Statement	TFX	Lewis and Clark	62 min
Dec 27, 1:27 PM MST	Special Weather Statement	TFX	Broadwater	63 min

Nearby

Snow Squall Warnings in Montana, 2025 Every snow squall warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.