Active Weather Alerts
Flash Flood Warning
Issued: 7:04 PM Oct. 21, 2026 – National Weather Service
The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... East Central Washington County in southwestern Utah... * Until 400 PM MDT. * At 104 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across Zion Canyon within Zion National Park. Up to 0.25 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of slot canyons and normally dry washes. * Some locations that will experience flash flooding include... Zion National Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to higher ground now. Act quickly to protect your life. Stay away or be swept away. River banks and culverts can become unstable and unsafe. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
Flood Watch
Issued: 6:22 PM Oct. 21, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Utah, including the following areas, Castle Country, Central Mountains, San Rafael Swell, Bryce Canyon Country, Capitol Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake Powell, South Central Utah, Southern Mountains, Upper Sevier River Valleys, Western Canyonlands, Lower Washington County and Zion National Park. * WHEN...Through Thursday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, dry washes, slot canyons, and other low-lying and flood-prone locations such as slickrock areas and recent burn scars. * ADDITIONAL DETAILS... - A late season surge of tropical moisture will bring widespread moderate to at times heavy rainfall across much of southern Utah through Thursday. Local rainfall totals in excess of 3 inches are expected through Thursday evening. - All normally dry washes, small streams and mainstem rivers will see elevated flows from this excessive rainfall, with periods of heavier rainfall resulting in flash flooding. Backcountry roads may become impassable due to flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. People in the backcountry should ensure they have alternative routes available in case their primary route becomes impassable. &&
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