This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Boone County Area Flooding — August 2026 →
Flood Warning issued August 6 at 11:38AM CDT until August 7 at 11:00PM CDT by NWS Kansas City/Pleasant Hill MO
This is a severe-significance flood warning event affecting Johnson, MO; Pettis, MO, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flood Warning
- Extent
- ≈ 41,251 acres
- Began
- To end
Affected by this event? Open your area's damage guides below to reach a vetted local restoration pro, 24/7.
Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Johnson, MO; Pettis, MO), colored by hazard type. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Johnson, MO; Pettis, MO · ≈ 65 sq mi reported extent · Enable JavaScript to explore the map.
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NOAA / National Weather Service ↗.
Restoration help near this event
Tap your city for a vetted local pro on that service, answered 24/7. Where we don't have a nearby city page yet, the step-by-step guides cover what to do first.
Water damage restoration
What to do now
Mold remediation
What to do now
Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- Storm report NWS LSX storm report
FLASH FLOOD — 5 ESE Columbia, MO
E Highway WW at Old Hawthorne Dr closed due to flood waters.
- Storm report NWS LSX storm report
FLASH FLOOD — 1 NW Columbia, MO
Roads flooded and impassable at Garth Ave and Sexton Road.
- Storm report NWS LSX storm report
FLASH FLOOD — 3 W Columbia, MO
Road flooded at S Fairview Road and Highland Drive.
- Storm report NWS LSX storm report
FLASH FLOOD — Columbia, MO
Roadway flooded along S Providence at E Walnut and E Stewart roads.
Show 4 earlier updates
- NWS LSX storm report Storm report
- NWS Kansas City/Pleasant Hill MO Bulletin
- Johnson City Press News
- ABC7 New York News
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.