# Extreme Heat Warning: Western Millard and Juab Counties; Southwest Utah; South Central Utah; Capitol Reef National Park and Vicinity; Western Canyonlands; Glen Canyon Recreation Area/Lake Powell — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/c304b99637eaea40

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-10 10:06 ingested 2026-07-11 08:06

[original source ↗](http://www.weather.gov/)

## extract

Extreme Heat Warning — Western Millard and Juab Counties; Southwest Utah; South Central Utah; Capitol Reef National Park and Vicinity; Western Canyonlands; Glen Canyon Recreation Area/Lake Powell
Severity: Severe. Certainty: Likely.
* WHAT...Dangerously hot conditions expected, with highs around 100
possible for most central and southern Utah valleys and up to 110
for Lower Washington County, Zion Canyon, and the Glen Canyon
Recreation Area.

* WHERE...Western Millard and Juab Counties, Capitol Reef National
Park and Vicinity, Glen Canyon Recreation Area/Lake Powell, South
Central Utah, Western Canyonlands, and Southwest Utah.

* WHEN...From noon Saturday to 6 AM MDT Monday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...There is high confidence that temperatures
will warm to values challenging daily and monthly high temperature
records Saturday and Sunday. Overnight lows in the lower to mid
70s for many valley locations, except low 80s for lower Washington
County, will provide little in the way of overnight relief.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.