Alert archive / Montana / Granite County
Weather alerts in Granite County, Montana, 2026
79 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Granite County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 79
- Warnings
- 15
- Watches
- 17
- Advisories
- 21
- Busiest month
- July20 alerts
- Busiest day
- July 17, 20267 alerts
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 | Lasted |
|---|---|---|---|
| Jan 1, 1:18 PM MST | Winter Weather Advisory | MSO | 25 hr |
| Jan 5, 1:03 PM MST | Winter Weather Advisory | MSO | 19 hr |
| Jan 5, 1:03 PM MST | Winter Weather Advisory | MSO | 46 hr |
| Feb 8, 10:29 AM MST | Winter Weather Advisory | MSO | 23 hr |
| Feb 15, 12:17 PM MST | Winter Weather Advisory | MSO | 4 days |
| Feb 22, 2:05 PM MST | Winter Weather Advisory | MSO | 45 hr |
| Feb 24, 8:35 PM MST | Winter Weather Advisory | MSO | 11 hr |
| Mar 3, 11:08 PM MST | Winter Weather Advisory | MSO | 40 hr |
| Mar 6, 10:30 AM MST | High Wind Watch | MSO | 23 hr |
| Mar 7, 9:26 AM MST | Wind Advisory | MSO | 37 hr |
| Mar 9, 12:35 PM MDT | Winter Storm Watch | MSO | 23 hr |
| Mar 9, 12:40 PM MDT | High Wind Watch | MSO | 23 hr |
| Mar 10, 11:42 AM MDT | Winter Storm Warning | MSO | 4 days |
| Mar 10, 11:52 AM MDT | High Wind Warning | MSO | 54 hr |
| Mar 13, 1:38 PM MDT | Winter Weather Advisory | MSO | 34 hr |
| Mar 15, 12:57 PM MDT | Winter Weather Advisory | MSO | 23 hr |
| Mar 24, 11:33 AM MDT | Wind Advisory | MSO | 31 hr |
| Mar 31, 10:23 AM MDT | Winter Storm Watch | MSO | 25 hr |
| Apr 1, 11:02 AM MDT | Winter Weather Advisory | MSO | 47 hr |
| Apr 6, 10:40 AM MDT | Wind Advisory | MSO | 34 hr |
| Apr 14, 11:53 AM MDT | Winter Weather Advisory | MSO | 45 hr |
| Apr 21, 1:50 PM MDT | Winter Weather Advisory | MSO | 68 hr |
| Apr 24, 12:43 PM MDT | Freeze Warning | MSO | 43 hr |
| May 11, 12:00 PM MDT | Fire Weather Watch | MSO | 23 hr |
| May 12, 10:23 AM MDT | Wind Advisory | MSO | 35 hr |
| May 12, 10:38 AM MDT | Red Flag Warning | MSO | 34 hr |
| May 15, 11:38 AM MDT | Winter Weather Advisory | MSO | 60 hr |
| May 18, 12:00 PM MDT | Frost Advisory | MSO | 22 hr |
| May 25, 5:46 PM MDT | Mesoscale Discussion | SPC | 119 min |
| May 28, 4:21 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 28, 6:42 PM MDT | Mesoscale Discussion | SPC | 63 min |
| May 28, 9:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| May 29, 1:30 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 12, 7:35 PM MDT | Special Weather Statement | MSO | 40 min |
| Jun 15, 10:30 AM MDT | Wind Advisory | MSO | 38 hr |
| Jun 25, 11:56 AM MDT | Winter Storm Watch | MSO | 23 hr |
| Jun 26, 11:04 AM MDT | Winter Storm Warning | MSO | 70 hr |
| Jun 28, 8:49 AM MDT | Flood Watch | MSO | 2 hr |
| Jun 28, 11:14 AM MDT | Flood Watch | MSO | 16 hr |
| Jul 1, 10:15 AM MDT | Flood Watch | MSO | 10 hr |
| Jul 1, 5:18 PM MDT | Special Weather Statement | MSO | 27 min |
| Jul 1, 5:32 PM MDT | Special Weather Statement | MSO | 28 min |
| Jul 1, 5:52 PM MDT | Special Weather Statement | MSO | 23 min |
| Jul 1, 6:15 PM MDT | Special Weather Statement | MSO | 30 min |
| Jul 10, 10:34 AM MDT | Fire Weather Watch | MSO | 28 hr |
| Jul 16, 2:03 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 17, 2:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 3:19 PM MDT | Special Weather Statement | MSO | 26 min |
| Jul 17, 4:14 PM MDT | Flash Flood Warning | MSO | 2 hr |
| Jul 17, 4:15 PM MDT | Flash Flood Warning | MSO | 2 hr |
| Jul 17, 4:17 PM MDT | Flood Watch | MSO | 3 hr |
| Jul 17, 4:27 PM MDT | Areal Flood Advisory | MSO | 3 hr |
| Jul 17, 4:37 PM MDT | Flash Flood Warning | MSO | 2 hr |
| Jul 18, 1:36 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jul 23, 9:17 PM MDT | Special Weather Statement | MSO | 28 min |
| Jul 23, 9:51 PM MDT | Special Weather Statement | MSO | 24 min |
| Jul 23, 10:16 PM MDT | Special Weather Statement | MSO | 29 min |
| Jul 29, 8:45 AM MDT | Fire Weather Watch | MSO | 52 hr |
| Jul 31, 1:11 PM MDT | Red Flag Warning | MSO | 56 hr |
| Aug 6, 8:07 AM MDT | Red Flag Warning | MSO | 13 hr |
| Aug 6, 1:35 PM MDT | Fire Weather Watch | MSO | 8 hr |
| Aug 6, 9:41 PM MDT | Red Flag Warning | MSO | 47 hr |
| Aug 10, 6:45 PM MDT | Red Flag Warning | MSO | 26 hr |
| Aug 13, 10:15 AM MDT | Flood Watch | MSO | 10 hr |
| Aug 13, 5:33 PM MDT | Special Weather Statement | MSO | 57 min |
| Aug 13, 5:39 PM MDT | Special Weather Statement | MSO | 36 min |
| Aug 15, 3:38 PM MDT | Special Weather Statement | MSO | 37 min |
| Aug 15, 4:12 PM MDT | Special Weather Statement | MSO | 33 min |
| Aug 15, 6:58 PM MDT | Special Weather Statement | MSO | 32 min |
| Aug 21, 10:39 AM MDT | Fire Weather Watch | MSO | 22 hr |
| Aug 22, 9:08 AM MDT | Red Flag Warning | MSO | 35 hr |
| Aug 22, 4:04 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Aug 27, 2:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Sep 2, 11:49 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 1:02 PM MDT | Special Weather Statement | MSO | 28 min |
| Sep 2, 1:34 PM MDT | Severe Thunderstorm Warning | MSO | 26 min |
| Sep 6, 9:51 AM MDT | Flood Watch | MSO | 50 hr |
| Sep 6, 4:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Sep 6, 4:18 PM MDT | Severe Thunderstorm Warning | MSO | 27 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 2 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 11 |
| Special Weather Statement | 15 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flood Watch | 6 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 14 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 2 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.