⚠️ Severe Thunderstorm Warning – Cheyenne, CO; Sherman, KS; Wallace, KS – Saturday, June 20, 2026

Severe Thunderstorm Warning issued June 20 at 6:57PM MDT until June 20 at 7:30PM MDT by NWS Goodland KS

Details

SVRGLD

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for…
Northeastern Cheyenne County in east central Colorado…
Wallace County in west central Kansas…
Southeastern Sherman County in northwestern Kansas…

* Until 730 PM MDT.

* At 657 PM MDT, severe thunderstorms were located along a line
extending from 6 miles southwest of Brewster to 11 miles north of
Wallace to 7 miles northeast of Sharon Springs to 9 miles west of
Weskan, moving east at 40 mph.

HAZARD…70 mph wind gusts and half dollar size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.

* Severe thunderstorms will be near…
Sharon Springs and Weskan around 700 PM MDT.
Wallace around 705 PM MDT.

This includes Interstate 70 in Kansas between mile markers 17 and 35.

Instructions

These thunderstorms will produce strong winds resulting in areas of
near zero visibility in blowing dirt. Use extreme caution if you must
travel and be alert for rapidly changing visibility.

A Tornado Watch remains in effect until 900 PM MDT for east central
Colorado…and northwestern and west central Kansas.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.