Flood Warning Issued for Black River Near Annapolis Through Saturday Evening

Source: NOAA · Reynolds County, Missouri

This alert is no longer in effect.

NOAA issued it on April 6, 2026, 4 months 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.

The National Weather Service has issued a flood warning for Reynolds County, MO, with the Black River expected to crest at 11 feet this evening.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Reynolds County, Missouri
Issued
April 6, 2026
Issuing authority
NWS St Louis 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 4 months ago; use the issuing agency's live warning service for current conditions in Reynolds County, Missouri.

Alert Details

A Flood Warning (NWS Alert Code: FLW) has been issued by the National Weather Service in St. Louis, MO. The alert is effective starting March 5, 2026, and remains in place until Saturday evening, March 7.

Affected Areas

The warning specifically covers the Black River near Annapolis, located within Reynolds County, Missouri.

What You Should Do

Residents are advised to avoid flooded areas and follow the safety mantra: "Turn around, don't drown" when encountering flooded roads. The NWS reminds the public that most flood-related deaths occur in vehicles. Additional information is available via the National Weather Service website.

Expected Conditions

Minor flooding is forecast for the affected area. As of 7:15 AM CST on Thursday, the river stage was measured at 7.0 feet. The river is expected to rise above the flood stage of 8.0 feet late this morning and is forecast to crest near 11.0 feet this evening. Forecasts are based on observed and predicted precipitation over the next 48 hours.

Timeline

  • Alert Issued: March 5, 2026, at 7:50 AM CST
  • Flood Stage Onset: Expected late morning, March 5
  • Crest: Expected this evening, March 5
  • Warning Expiration: March 7, 2026, at 8:00 PM CST

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a flood warning for Reynolds County, MO, with the Black River expected to crest at 11 feet this evening.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Reynolds County, Missouri. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.