Severe Thunderstorm Warning Issued for Clark, Fremont and Jefferson Counties in Idaho
This alert is no longer in effect.
NOAA issued it on May 21, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Pocatello has issued a Severe Thunderstorm Warning for parts of southeastern Idaho until 4:15 PM MDT on May 13.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southeastern Idaho
- Issued
- May 21, 2026
- Issuing authority
- NWS Pocatello ID
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Southeastern Idaho.
Alert Details
A Severe Thunderstorm Warning has been issued by the National Weather Service in Pocatello, ID. The alert is effective from 3:47 PM MDT on May 13, 2026, until 4:15 PM MDT on May 13, 2026.
Affected Areas
The warning covers Fremont County, north central Jefferson County, and eastern Clark County in southeastern Idaho. Locations impacted include Dubois, Idmon, Henrys Lake, Spencer, Island Park Village, Shotgun Village, Ponds Lodge, Macks Inn, Kilgore, Last Chance, Island Park Reservoir, Sheridan Reservoir, Humphrey, Targhee Pass, Harriman State Park, Monida Pass, Red Rock Pass, Big Springs, and Saint Anthony Sand Dunes.
What You Should Do
For your protection, move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency.
Expected Conditions
At 3:45 PM MDT, a line of severe thunderstorms with associated outflow extends from near Hamer to Monida Pass, moving northeast at 60 mph. Hazards include 70 mph wind gusts and hail up to 0.75 inches.
Timeline
The warning is in effect until 4:15 PM MDT on May 13, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,118 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 21, 2026.
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