Moderate Extreme Weather ● Active

Special Weather Statement issued October 22 at 3:57PM MDT by NWS Boise ID, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

At 356 PM MDT, Doppler radar was tracking a cluster of strong
thunderstorms along a line extending from 6 miles northwest of
Anderson Ranch Reservoir to near Hill City to 6 miles south of Flat
Top Butte to near Wendell. Movement was northeast at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Areas of blowing dust reducing
visibility. Minor damage to outdoor objects is possible.

Strong thunderstorms will be near...
Corral, Pine, Hill City, and Mormon Reservoir around 400 PM MDT.
Fairfield, Selby, Soldier, and Kelly Reservoir around 410 PM MDT.
Blaine Bridge, Smoky Dome, and Soldier Mountain Ski Area around
420 PM MDT.

Measurements

Coordinates43.0657, -114.7771
RegionBoise Mountains; Western Magic Valley; Camas Prairie
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyExpected
Cap CertaintyObserved
Cap Expires2026-10-22T16:30:00-06:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 1 hour ago (Oct 22, 2026 21:58 UTC) · we last heard from WMO Alert Hub (national weather services) 11 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

When thunder roars, go indoors — lightning risk outdoors, in vehicles, and first aid for strike victims.

Open Lightning Safety Guide →

Earlier extreme weather events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Nearby & related events

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.