NOAA Weather Radar: Unofficial

KCYS radar: Cheyenne, WY

Live NEXRAD Doppler radar loop from the National Weather Service radar at Cheyenne, Wyoming. The loop updates every few minutes, straight from the NWS.

KCYS base reflectivity radar loop, Cheyenne, WY
KCYS base reflectivity, last hour. Source: NWS RIDGE.
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The interactive radar has a 3-hour loop you can zoom and pan, lightning, NWS warning polygons, and Storm Prediction Center outlooks. If you have the iPhone app, the Open button in Safari's banner at the top of this page shows this radar in the app.

This radar is run by the NWS forecast office CYS. Office website · KCYS on radar.weather.gov

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