Colorado Severe Flash Flood Warning | Effective 07/03/2026 23:21

Headline: 
Flash Flood Warning issued July 4 at 12:21AM MDT until July 4 at 3:15AM MDT by NWS Denver CO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 3, 2026 - 11:21pm
Expires: 
July 4, 2026 - 2:15am
Description: 
FFWBOU The National Weather Service in Denver has issued a * Flash Flood Warning for... Northeastern Lincoln County in east central Colorado... Southeastern Washington County in northeastern Colorado... * Until 315 AM MDT. * At 1221 AM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 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... Hell Creek, North Fork Arikaree River, Dugout 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