Alert archive / Montana / Excessive Heat Watches
Excessive Heat Watches in Montana, 2021
11 excessive heat watches in 2021. 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 excessive heat watches reaches back to 2005.
Excessive Heat Watches by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Excessive Heat Watches
- 11
- Busiest month
- July7 excessive heat watches
- Busiest day
- July 14, 20213 excessive heat watches
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 1:10 PM MDT | Excessive Heat Watch | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 14 hr |
| Jun 22, 2:25 PM MDT | Excessive Heat Watch | MSO | Flathead, Lincoln, Mineral, Missoula, Sanders | 48 hr |
| Jun 29, 1:38 AM MDT | Excessive Heat Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 6 more | 36 hr |
| Jun 29, 2:30 AM MDT | Excessive Heat Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 24 hr |
| Jul 9, 9:48 AM MDT | Excessive Heat Watch | GGW | Garfield, Petroleum, Phillips, Valley | 42 hr |
| Jul 14, 12:51 PM MDT | Excessive Heat Watch | BYZ | Big Horn, Carbon, Custer, Golden Valley, Musselshell, Rosebud and 3 more | 46 hr |
| Jul 14, 1:30 PM MDT | Excessive Heat Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 44 hr |
| Jul 14, 1:38 PM MDT | Excessive Heat Watch | TFX | 49 hr | |
| Jul 24, 12:18 PM MDT | Excessive Heat Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 25 hr |
| Jul 24, 1:56 PM MDT | Excessive Heat Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 23 hr |
| Jul 24, 2:00 PM MDT | Excessive Heat Watch | TFX | 44 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Garfield County5
- Petroleum County5
- Phillips County5
- Valley County5
- Dawson County4
- McCone County4
- Prairie County4
- Roosevelt County4
- Wibaux County4
- Big Horn County3
- Carbon County3
- Custer County3
- Golden Valley County3
- Musselshell County3
- Rosebud County3
- Stillwater County3
- Treasure County3
- Yellowstone County3
- Daniels County3
- Richland County3
- Sheridan County3
- Carter County2
- Fallon County2
- Powder River County2
- Flathead County1
- Lincoln County1
- Mineral County1
- Missoula County1
- Sanders County1
- Park County1
- Sweet Grass County1
- Wheatland County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.