Alert archive / Idaho / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 39, NWS Boise, ID

December 17, 2025Jerome County, Owyhee County, Twin Falls County, Idaho

NWS Boise, ID issued this severe thunderstorm warning at Dec 17, 2025, 9:56 AM MST for Jerome County, Owyhee County, Twin Falls County, Idaho. It was in force for 49 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 17, 2025, 9:56 AM MST (16:56 UTC)
Expired: Dec 17, 2025, 10:45 AM MST
In force: 49 min
Issued by: NWS Boise, ID
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

Counties Jerome County, ID, Owyhee County, ID, Twin Falls County, ID

The radar

The Boise radar (KCBX), 144 km from the middle of the area, began a volume at 16:56 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 Boise, ID wrote its last area forecast discussion before this severe thunderstorm warning went out at Dec 16, 2:33 PM MST, 19 hours 23 minutes earlier.

Area forecast discussion, Dec 16, 2:33 PM MST, 19 hours 23 minutes before

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The office that day

Everything else NWS Boise, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 17, 7:28 AM MST	Severe Thunderstorm Warning Considerable damage threat	BOI	Adams, Gem, Valley, Washington	47 min
Dec 17, 8:05 AM MST	Special Weather Statement	BOI	Elmore	25 min
Dec 17, 8:09 AM MST	Severe Thunderstorm Warning Considerable damage threat	BOI	Gem, Valley, Washington	21 min
Dec 17, 8:27 AM MST	Special Weather Statement	BOI	Gooding	33 min
Dec 17, 8:29 AM MST	Special Weather Statement	BOI	Boise	46 min
Dec 17, 8:33 AM MST	Severe Thunderstorm Warning Considerable damage threat	BOI	Elmore, Gooding, Jerome, Owyhee, Twin Falls	42 min
Dec 17, 9:04 AM MST	Special Weather Statement	BOI		41 min
Dec 17, 9:09 AM MST	Severe Thunderstorm Warning Considerable damage threat	BOI	Elmore, Gooding, Jerome, Owyhee, Twin Falls	51 min
Dec 17, 9:12 AM MST	Special Weather Statement	BOI	Camas	48 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2025 Every severe thunderstorm 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.