Missouri Flash Flood Warning | Effective 04/27/2026 13:46

Headline: 
Flash Flood Warning issued April 27 at 3:46PM CDT until April 27 at 8:30PM CDT by NWS St Louis MO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 1:46pm
Expires: 
April 27, 2026 - 6:30pm
Description: 
At 346 PM CDT, emergency management reported thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency management reported. 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... Columbia, Centralia, Ashland, Columbia Regional Airport, Hallsville, Sturgeon, Rocheport, Midway, Murry, Easley, Harrisburg, Hartsburg, Lupus, McBaine and Wilton. This includes the following State Parks... Rock Bridge State Park, Finger Lakes State Park and Jewell Cemetery Historic Site. This includes Interstate 70 in Missouri between exits 115 and 133.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Boone, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov