Flood Watches in Montana
228 flood watches 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 flood watches reaches back to 2005.
Flood Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Flood Watches
- 228
- Busiest year
- 201828 flood watches
- Average year
- 12over 19 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.
- Flathead County40
- Missoula County37
- Lincoln County35
- Ravalli County35
- Sanders County34
- Lake County29
- Granite County29
- Big Horn County26
- Valley County26
- Carbon County24
- Powell County23
- Deer Lodge County22
- Silver Bow County22
- Dawson County22
- Prairie County22
- Richland County22
- Rosebud County22
- Sweet Grass County22
- Wheatland County22
- Park County21
- Golden Valley County21
- Musselshell County20
- Phillips County20
- Stillwater County20
- Yellowstone County20
- Carter County19
- Roosevelt County19
- Mineral County19
- Custer County18
- Garfield County18
- Petroleum County18
- Powder River County18
- Treasure County18
- Wibaux County18
- McCone County17
- Daniels County16
- Fallon County15
- Sheridan County15
- Meagher County10
- Broadwater County9
The latest flood watches
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 2:01 AM MDT | Flood Watch | GGW | Dawson, Garfield, Petroleum, Prairie, Wibaux | 35 hr |
| Sep 18, 10:39 AM MDT | Flood Watch | TFX | Broadwater, Gallatin, Lewis and Clark, Meagher | 27 hr |
| Sep 17, 12:06 PM MDT | Flood Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 3 days |
| Sep 6, 11:32 AM MDT | Flood Watch | TFX | Glacier, Lewis and Clark, Liberty, Pondera, Teton, Toole | 48 hr |
| Sep 6, 9:51 AM MDT | Flood Watch | MSO | Flathead, Granite, Lake, Missoula, Powell, Sanders | 50 hr |
| Aug 13, 10:50 AM MDT | Flood Watch | TFX | Broadwater, Jefferson | 13 hr |
| Aug 13, 10:15 AM MDT | Flood Watch | MSO | Deer Lodge, Granite, Powell, Silver Bow | 10 hr |
| Jul 21, 12:11 PM MDT | Flood Watch | TFX | Beaverhead, Gallatin, Madison | 36 hr |
| Jul 21, 9:03 AM MDT | Flood Watch | BYZ | Big Horn, Carbon, Park, Stillwater, Sweet Grass | 41 hr |
| Jul 17, 4:17 PM MDT | Flood Watch | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 3 hr |
| Jul 14, 2:06 PM MDT | Flood Watch | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 3 more | 32 hr |
| Jul 13, 3:12 PM MDT | Flood Watch | BYZ | Golden Valley, Musselshell, Park, Stillwater, Sweet Grass, Wheatland and 1 more | 35 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. Warning verification from the Mesonet's Cow. Rebuilt daily.