Utah Severe Flash Flood Warning | Effective 07/18/2026 15:10

Headline: 
Flash Flood Warning issued July 18 at 4:10PM MDT until July 18 at 5:15PM MDT by NWS Salt Lake City UT
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 18, 2026 - 3:10pm
Expires: 
July 18, 2026 - 4:15pm
Description: 
At 410 PM MDT, Doppler radar indicated between 0.50 and 1.00 inch of rain fell over the headwaters of the Narrows within Zion National Park during earlier thunderstorms. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, slot canyon, and normally dry washes. Some locations that will experience flash flooding include... Zion National Park and Springdale.
Instruction: 
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.
Area Description: 
Kane, UT; Washington, UT
Forcast Office: 
NWS Salt Lake City UT