Flood Warning Issued for Johnson and Pettis Counties, Missouri
This alert is no longer in effect.
NOAA issued it on August 6, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS has issued a Flood Warning for the Blackwater River at Valley City affecting Johnson and Pettis Counties until Friday evening.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Johnson and Pettis Counties, Missouri
- Issued
- August 6, 2026
- Issuing authority
- NWS Kansas City/Pleasant Hill MO
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in Johnson and Pettis Counties, Missouri.
Alert Details
A Flood Warning has been issued by the National Weather Service in Kansas City/Pleasant Hill MO. The alert is effective from August 6 at 11:38AM CDT and remains in effect until August 7 at 11:00PM CDT.
Affected Areas
The warning covers Johnson County, MO and Pettis County, MO, specifically the Blackwater River at Valley City.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Minor flooding is forecast. At 11:00 AM CDT Thursday the stage was 21.0 feet. The river is expected to rise above flood stage this afternoon to a crest of 23.2 feet this evening. Flood stage is 22.0 feet. At 22.0 feet, woodlands and farm fields along the river begin to flood. At 25.0 feet, County Highway E near Valley City and Highway 23 near the Perry State Wildlife Area are under water.
Timeline
The alert is in effect from August 6 at 11:38AM CDT with onset at 12:20PM CDT. It expires August 7 at 11:45AM CDT and ends August 7 at 11:00PM CDT.
Original source: NOAA Official Notice ↗
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,043 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 6, 2026.
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