What changed
2026-07-31 21:52 UTC → 2026-07-31 21:52 UTC ·
added
removed
Heat wave in Wyoming and nearby neighboring states
Late In late July 2026 saw the National Weather Service first issued a Heat Advisory issued for the I‑25 corridor across spanning southeast Wyoming, eastern Nebraska and parts of Idaho, warning of daytime temperatures near approaching 100 °F and warm overnight lows, along with a Red Flag Warning for fire‑prone areas of the Upper Snake River Plain. A week later later, the Cheyenne office forecast warned of near‑record highs of 96‑97 °F for in southeast Wyoming as monsoonal moisture retreated, noting persistent high‑pressure, breezy conditions and the potential for wildfire smoke drifting in from Oregon. On By July 29 the National Weather Service expanded heat advisories were expanded to additional locations in Wyoming and into Colorado. In Jackson Hole, Hole a valley‑floor advisories cover heat advisory ran from Saturday noon through Sunday night, with expected highs of 98‑105 °F below 5,500 ft and 90‑98 °F above, with officials urging hydration and checking on vulnerable neighbors. above. Southeast Wyoming, including Cheyenne, was slated for record‑to‑near‑record forecast to see near‑record temperatures around near 96 °F and on Sunday, with a heat advisory beginning Saturday, with Saturday and a chance of isolated thunderstorms. In Cheyenne Wells, Colorado, Cheyenne Wells faced fire‑danger warnings were issued conditions as temperatures were expected projected to reach 102 °F, °F on Monday, humidity fell into in the teens and gusts approached up to 40 mph, prompting cautions against warnings to avoid activities that could spark wildfires. The heat wave has therefore intensified, extending from the original I‑25 corridor Officials continued to broader parts of Wyoming urge residents to stay hydrated, limit outdoor activity, and into Colorado, maintaining extreme temperatures, heightened check on vulnerable neighbors as fire risk, and emerging thunderstorm threats. risk remained elevated.