Kansas Severe Flash Flood Warning | Effective 06/20/2026 21:36

Headline: 
Flash Flood Warning issued June 20 at 11:36PM CDT until June 21 at 4:15AM CDT by NWS Goodland KS
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 20, 2026 - 9:36pm
Expires: 
June 21, 2026 - 2:15am
Description: 
At 1136 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 3 and 6 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Atwood and Blakeman. Site near Achilles, KS reported 4.75 inches of rain with this event so far.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Decatur, KS; Rawlins, KS
Forcast Office: 
NWS Goodland KS
Sender: 
w-nws.webmaster@noaa.gov