Alert archive / Montana / River Flood Warnings

River Flood Warnings in Montana, 2023

20 river flood warnings in 2023. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood warnings reaches back to 2005.

River Flood Warnings by county

Each county as a circle sized by its count in 2023. Tap one for its archive.

River Flood Warnings
20
Busiest month
April14 river flood warnings
Busiest day
April 12, 20235 river flood warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 8, 5:43 PM MDTRiver Flood WarningTFXBlaine9 hr
Apr 10, 5:23 AM MDTRiver Flood WarningGGWValley8 days
Apr 10, 9:24 AM MDTRiver Flood WarningTFXHill5 days
Apr 11, 2:08 AM MDTRiver Flood WarningTFXBlaine10 days
Apr 11, 11:05 AM MDTRiver Flood WarningGGWRoosevelt19 hr
Apr 11, 9:15 PM MDTRiver Flood WarningGGWValley14 days
Apr 11, 9:18 PM MDTRiver Flood WarningGGWValley13 days
Apr 12, 6:49 AM MDTRiver Flood WarningTFXBlaine12 hr
Apr 12, 12:23 PM MDTRiver Flood WarningGGWValley13 days
Apr 12, 12:54 PM MDTRiver Flood WarningGGWPhillips, Valley8 days
Apr 12, 8:59 PM MDTRiver Flood WarningGGWPhillips54 hr
Apr 13, 3:14 PM MDTRiver Flood WarningGGWRoosevelt36 hr
Apr 15, 6:14 PM MDTRiver Flood WarningGGWPhillips16 hr
Apr 16, 2:00 AM MDTRiver Flood WarningTFXBlaine, Hill5 days
May 2, 11:55 AM MDTRiver Flood WarningMSOMissoula8 days
Jun 2, 2:27 PM MDTRiver Flood WarningGGWGarfield, Petroleum30 hr
Jun 3, 8:46 AM MDTRiver Flood WarningTFXBlaine42 hr
Jun 3, 8:13 PM MDTRiver Flood WarningGGWValley4 days
Jun 9, 8:54 AM MDTRiver Flood WarningBYZMusselshell13 hr
Jun 9, 1:58 PM MDTRiver Flood WarningGGWGarfield, Petroleum16 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

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. Warning verification from the Mesonet's Cow. Rebuilt daily.