River Flood Warnings in Montana
333 river flood warnings since 1986. 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 since 1986. Tap one for its archive.
- River Flood Warnings
- 333
- Busiest year
- 201169 river flood warnings
- Average year
- 19over 18 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County55
- Blaine County33
- Carbon County25
- Sweet Grass County22
- Gallatin County19
- Phillips County16
- Madison County15
- Park County15
- Rosebud County14
- Beaverhead County13
- Flathead County13
- Cascade County12
- Hill County12
- Stillwater County11
- Missoula County10
- Ravalli County9
- Custer County9
- Wheatland County9
- Lincoln County7
- Dawson County6
- Roosevelt County6
- Broadwater County5
- Treasure County5
- Yellowstone County5
- Garfield County5
- Petroleum County5
- Toole County4
- Golden Valley County4
- Sanders County3
- Lewis and Clark County3
- Richland County3
- Fergus County3
- Musselshell County3
- Mineral County2
- Big Horn County2
- Powell County1
- Glacier County1
The latest river flood warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 6:17 AM MST | River Flood Warning | MSO | Lincoln | 27 hr |
| Dec 11, 3:29 AM MST | River Flood Warning | MSO | Lincoln | 26 hr |
| Jul 28, 2:42 AM MDT | River Flood Warning | TFX | Blaine | 3 hr |
Nearby
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.