Flash Flood Warning — Boone County, Missouri
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 6 at 10:30AM CDT until August 6 at 1:30PM CDT by NWS St Louis MO
FFWLSX The National Weather Service in St Louis has issued a * Flash Flood Warning for... Central Boone County in central Missouri... * Until 130 PM CDT. * At 1030 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 1 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 indicated. 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, Ashland, Columbia Regional Airport, Rocheport, Midway, Easley and McBaine. This includes the following State Parks... Rock Bridge State Park and Jewell Cemetery Historic Site. This includes Interstate 70 in Missouri between exits 115 and 133.
Effective August 6, 2026 at 11:30 AM ET · Expires August 6, 2026 at 2:30 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS St Louis MO
Expires
August 6, 2026 at 2:30 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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Get Flash Flood Warning Alerts for Boone County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Boone County, Missouri?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 6, 2026 at 2:30 PM ET.
How do I get notified about Flash Flood Warning alerts for Boone County?
Download StormCast free on Google Play and set Boone County, Missouri as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.