Colorado Severe Flash Flood Warning | Effective 07/03/2026 23:49

Headline: 
Flash Flood Warning issued July 4 at 12:49AM MDT until July 4 at 3:15AM MDT by NWS Denver CO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 3, 2026 - 11:49pm
Expires: 
July 4, 2026 - 2:15am
Description: 
At 1249 AM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 4 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. 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... Dugout Creek, Arikaree River, North Fork Arikaree River, Gordon Creek and Hell Creek.
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