Alert archive / Montana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 36, NWS Great Falls, MT

July 8, 2026Chouteau County, Fergus County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 8, 2026, 5:52 PM MDT for Chouteau County, Fergus County, Montana. It was in force for 38 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: Jul 8, 2026, 5:52 PM MDT (23:52 UTC)
Expired: Jul 8, 2026, 6:30 PM MDT
In force: 38 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Chouteau County, MT, Fergus County, MT

The radar

The Great Falls radar (KTFX), 118 km from the middle of the area, began a volume at 23:52 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 severe thunderstorm 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 severe thunderstorm warning went out at Jul 8, 12:01 PM MDT, 5 hours 51 minutes earlier.

Area forecast discussion, Jul 8, 12:01 PM MDT, 5 hours 51 minutes before

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In the hours before

Special weather statement, Jul 8, 4:51 PM MDT, 1 hour 1 minute before

Special Weather Statement
National Weather Service Great Falls MT
451 PM MDT Wed Jul 8 2026

MTZ310-312-317-082330-
Little Belt and Highwood Mountains MT-
Western and Central Chouteau County MT-
Cascade County below 5000ft MT-
451 PM MDT Wed Jul 8 2026

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL CHOUTEAU AND
NORTHEASTERN CASCADE COUNTIES THROUGH 530 PM MDT...

At 451 PM MDT, Doppler radar was tracking a strong thunderstorm 8
miles east of Black Eagle, or 9 miles east of Great Falls, moving
east at 25 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Highwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4745 11111 4755 11115 4770 11069 4745 11058
TIME...MOT...LOC 2251Z 256DEG 22KT 4751 11110

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

AM

Special weather statement, Jul 8, 4:58 PM MDT, 54 minutes before

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Special weather statement, Jul 8, 5:05 PM MDT, 47 minutes before

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Special weather statement, Jul 8, 5:25 PM MDT, 27 minutes before

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Special weather statement, Jul 8, 5:28 PM MDT, 24 minutes before

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Special weather statement, Jul 8, 5:44 PM MDT, 8 minutes before

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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
Jul 7, 6:07 PM MDT	Special Weather Statement	TFX	Gallatin	38 min
Jul 8, 3:07 PM MDT	Special Weather Statement	TFX	Lewis and Clark	38 min
Jul 8, 3:10 PM MDT	Special Weather Statement	TFX	Teton	50 min
Jul 8, 3:44 PM MDT	Special Weather Statement	TFX	Broadwater	46 min
Jul 8, 3:54 PM MDT	Severe Thunderstorm Warning	TFX	Broadwater, Gallatin	51 min
Jul 8, 4:00 PM MDT	Special Weather Statement	TFX	Jefferson	30 min
Jul 8, 4:26 PM MDT	Special Weather Statement	TFX	Jefferson	49 min
Jul 8, 4:29 PM MDT	Special Weather Statement	TFX	Broadwater	46 min
Jul 8, 4:51 PM MDT	Special Weather Statement	TFX	Cascade	39 min
Jul 8, 4:58 PM MDT	Special Weather Statement	TFX	Judith Basin	47 min
Jul 8, 5:05 PM MDT	Special Weather Statement	TFX	Broadwater	40 min
Jul 8, 5:08 PM MDT	Severe Thunderstorm Warning	TFX	Fergus, Judith Basin	52 min
Jul 8, 5:25 PM MDT	Special Weather Statement	TFX	Cascade	50 min
Jul 8, 5:28 PM MDT	Special Weather Statement	TFX	Gallatin	47 min
Jul 8, 5:44 PM MDT	Special Weather Statement	TFX	Chouteau	46 min
Jul 8, 5:55 PM MDT	Severe Thunderstorm Warning Considerable damage threat	TFX	Fergus, Judith Basin	35 min

Nearby

Severe Thunderstorm Warnings in Montana, 2026 Every severe thunderstorm warning in 2026

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.