Alert archive / Montana / Excessive Heat Warnings / 2021
Excessive Heat Warnings in Montana, June 2021
5 excessive heat warnings in June 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 June 2021. Tap one for its archive.
- Excessive Heat Warnings
- 5
- Busiest day
- June 30, 20212 excessive heat warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Custer County2
- Rosebud County2
- Treasure County2
- Dawson County2
- Garfield County2
- McCone County2
- Petroleum County2
- Phillips County2
- Prairie County2
- Richland County2
- Roosevelt County2
- Valley County2
- Wibaux County2
- Big Horn County1
- Carbon County1
- Golden Valley County1
- Musselshell County1
- Powder River County1
- Stillwater County1
- Yellowstone County1
- Flathead County1
- Lincoln County1
- Mineral County1
- Missoula County1
- Sanders County1
- Daniels County1
- Sheridan County1
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.