Alert archive / Montana / Excessive Heat Warnings
Excessive Heat Warnings in Montana, 2021
11 excessive heat warnings 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 warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Excessive Heat Warnings
- 11
- Busiest month
- July6 excessive heat warnings
- Busiest day
- July 16, 20213 excessive heat 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 2:34 PM MDT | Excessive Heat Warning | BYZ | Big Horn, Carbon, Custer, Golden Valley, Musselshell, Powder River and 4 more | 54 hr |
| Jun 14, 3:02 AM MDT | Excessive Heat Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more | 42 hr |
| Jun 24, 2:14 PM MDT | Excessive Heat Warning | MSO | Flathead, Lincoln, Mineral, Missoula, Sanders | 7 days |
| Jun 30, 2:13 AM MDT | Excessive Heat Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 5 days |
| Jun 30, 1:34 PM MDT | Excessive Heat Warning | BYZ | Custer, Rosebud, Treasure | 4 days |
| Jul 16, 9:12 AM MDT | Excessive Heat Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 6 days |
| Jul 16, 11:06 AM MDT | Excessive Heat Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 6 more | 6 days |
| Jul 16, 2:14 PM MDT | Excessive Heat Warning | TFX | 3 days | |
| Jul 25, 1:20 PM MDT | Excessive Heat Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 57 hr |
| Jul 25, 1:39 PM MDT | Excessive Heat Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 58 hr |
| Jul 27, 2:40 AM MDT | Excessive Heat Warning | TFX | 21 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Custer County4
- Rosebud County4
- Treasure County4
- Dawson County4
- Garfield County4
- McCone County4
- Petroleum County4
- Phillips County4
- Prairie County4
- Richland County4
- Roosevelt County4
- Valley County4
- Wibaux County4
- Big Horn County3
- Carbon County3
- Golden Valley County3
- Musselshell County3
- Powder River County3
- Stillwater County3
- Yellowstone County3
- Daniels County3
- Sheridan County3
- Carter County2
- Fallon 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.