Alert archive / River Flood Warnings

River Flood Warnings in the United States, 2026

2,053 river flood warnings in 2026. Each alert counts once, however many counties it covered. The last few weeks are still filling in as offices finish their follow-ups. The archive of river flood warnings reaches back to 2005.

River Flood Warnings by state

Each state shaded by its count. Tap a state for its own archive.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
River Flood Warnings
2,053
Busiest month
April542 river flood warnings
Busiest day
April 4, 202662 river flood warnings

Over time

By month

By state

Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 4, 202662river flood warnings
  2. June 21, 202656river flood warnings
  3. April 16, 202649river flood warnings
  4. April 27, 202646river flood warnings
  5. April 1, 202645river flood warnings
  6. June 18, 202644river flood warnings
  7. April 15, 202639river flood warnings
  8. June 25, 202638river flood warnings
  9. April 18, 202637river flood warnings
  10. June 11, 202634river flood warnings
  11. April 28, 202633river flood warnings
  12. August 12, 202633river flood warnings
  13. June 16, 202631river flood warnings
  14. June 17, 202631river flood warnings
  15. May 19, 202629river flood warnings

Nearby

Alerts in force nowThe tornado archiveThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.