Severe Thunderstorm Warning for Natrona and Johnson Counties, WY
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NWS Riverton has issued a Severe Thunderstorm Warning for northeastern Natrona County and southeastern Johnson County until 8:00 PM MDT on August 22.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Central and North Central Wyoming
- Issued
- August 23, 2026
- Issuing authority
- NWS Riverton WY
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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Severe Thunderstorm Warning issued by NWS Riverton WY. Effective from August 22 at 7:17 PM MDT until August 22 at 8:00 PM MDT. Severity: Severe. Certainty: Observed. Urgency: Immediate.
Affected Areas
Northeastern Natrona County in central Wyoming and southeastern Johnson County in north central Wyoming. The storm was located near Edgerton, 27 miles southeast of Kaycee, moving southeast at 10 mph.
What You Should Do
Move to an interior room on the lowest floor of a building. Torrential rainfall is occurring and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Expected Conditions
60 mph wind gusts and nickel size hail (0.88 inch). Tornado possible. Expect damage to roofs, siding, and trees.
Timeline
Alert effective August 22, 2026 at 7:17 PM MDT and expires August 22, 2026 at 8:00 PM MDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (862 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
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