Colorado Severe Flash Flood Warning | Effective 07/04/2026 02:11

Headline: 
Flash Flood Warning issued July 4 at 3:11AM MDT until July 4 at 4:15AM MDT by NWS Denver CO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 4, 2026 - 2:11am
Expires: 
July 4, 2026 - 3:15am
Description: 
FFWBOU The National Weather Service in Denver has extended the * Flash Flood Warning for... Northeastern Lincoln County in east central Colorado... Southeastern Washington County in northeastern Colorado... * Until 415 AM MDT. * At 311 AM MDT, Doppler radar indicated thunderstorms produced heavy rain across the warned area earlier tonight. Local law enforcement reported Flash flooding was occurring along Highway 61 between County Roads 4 and 8 in Logan county. Between 2.5 and 3.5 inches of rain fell earlier. Flooding impacts will continue, as additional rainfall amounts of 0.1 to 0.5 inches are possible in the warned area for the next 30 mins. Therefore the warning was extended for one hour. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, gulches, roads, and poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Thurman. This includes the following streams and drainages... North Fork Arikaree River, Dugout Creek, Hell Creek, Gordon Creek and Arikaree River.
Instruction: 
Move to higher ground now. Act quickly to protect your life. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Lincoln, CO; Washington, CO
Forcast Office: 
NWS Denver CO