Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: Severe Thunderstorm Warning
Area(s): Fremont, WY; Sublette, WY; Sweetwater, WY
Effective: 2026-06-25 @ 1:45 pm -> 2026-06-25 @ 2:30 pm
Onset: 2026-06-25 @ 1:45 pm -> 2026-06-25 @ 2:30 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Riverton WY on 2026-06-25 @ 1:45 pm
Headline: Severe Thunderstorm Warning issued June 25 at 12:45PM MDT until June 25 at 1:30PM MDT by NWS Riverton WY
Description: SVRRIW

The National Weather Service in Riverton has issued a

* Severe Thunderstorm Warning for...
Southeastern Sublette County in west central Wyoming...
Southwestern Fremont County in central Wyoming...
North central Sweetwater County in south central Wyoming...

* Until 130 PM MDT.

* At 1245 PM MDT, a severe thunderstorm was located 8 miles northeast
of Big Sandy Recreational Area, which is 17 miles north of Farson,
moving east at 35 mph.

HAZARD...60 mph wind gusts, quarter size hail, frequent lightning,
and heavy rainfall .

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
southeastern Sublette, southwestern Fremont and north central
Sweetwater Counties.

Alert: Special Weather Statement
Area(s): Southeast Johnson County
Effective: 2026-06-25 @ 1:40 pm -> 2026-06-25 @ 2:30 pm
Onset: 2026-06-25 @ 1:40 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Riverton WY on 2026-06-25 @ 1:40 pm
Headline: Special Weather Statement issued June 25 at 12:40PM MDT by NWS Riverton WY
Description: At 1239 PM MDT, Doppler radar was tracking a strong thunderstorm near
Hole In The Wall, which is 10 miles south of Kaycee, moving east at
20 mph.

HAZARD...Half inch hail and very heavy rainfall.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

This storm will remain over mainly rural areas of south central
Johnson County, including ranches along TTT Ranch Road.

This includes Interstate 25 between mile markers 236 and 249.