Alert archive / Idaho / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 36, NWS Pocatello, ID

August 22, 20264 counties in Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Aug 22, 2026, 2:12 PM MDT for 4 counties in Idaho. It was in force for 35 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: Aug 22, 2026, 2:12 PM MDT (20:12 UTC)
Expired: Aug 22, 2026, 2:47 PM MDT
In force: 35 min
Issued by: NWS Pocatello, ID
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bannock County, ID, Bingham County, ID, Caribou County, ID, Power County, ID

The radar

The Pocatello radar (KSFX), 46 km from the middle of the area, began a volume at 20:14 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.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 8.2 hours before the alert went out and 231 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 18 J/kg
Mixed-layer CIN: -294 J/kg
Mixed-layer LCL: 1899 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Pocatello, ID wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 22, 1:27 PM MDT, 45 minutes earlier.

Area forecast discussion, Aug 22, 1:27 PM MDT, 45 minutes before

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In the hours before

Special weather statement, Aug 22, 1:36 PM MDT, 36 minutes before

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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <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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        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 Pocatello, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 21, 8:22 PM MDT	Special Weather Statement	PIH	Butte	38 min
Aug 21, 9:02 PM MDT	Special Weather Statement	PIH	Butte	58 min
Aug 22, 1:36 PM MDT	Special Weather Statement	PIH	Power	39 min
Aug 22, 4:04 PM MDT	Special Weather Statement	PIH	Bonneville	26 min
Aug 22, 5:23 PM MDT	Special Weather Statement	PIH	Minidoka	37 min
Aug 22, 5:38 PM MDT	Special Weather Statement	PIH	Cassia, Power	52 min
Aug 22, 5:59 PM MDT	Special Weather Statement	PIH	Bingham	46 min

Nearby

Severe Thunderstorm Warnings in Idaho, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.