StormLatest status
Dense fog has ended for much of the area. Patches of fog reducing visibility may linger through the late morning hours, especially along US-191 from Big Timber through Judith Gap.
Where it happened
Musselshell; Treasure; Northern Stillwater; Golden Valley; Northern Big Horn; Southern Rosebud; Judith Gap; Southern Big Horn; Northern Sweet Grass; Northern Carbon; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone; Sheridan Foothills
Explore on the map →Latest reported details
- official severity
- Moderate
- urgency
- Expected
- certainty
- Likely
- event
- Dense Fog Advisory
- areas
- Musselshell; Treasure; Northern Stillwater; Golden Valley; Northern Big Horn; Southern Rosebud; Judith Gap; Southern Big Horn; Northern Sweet Grass; Northern Carbon; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone; Sheridan Foothills
Missing values are unconfirmed, not zero. Magnitude and alert classifications do not establish casualty totals.
What officials are saying
Read the original reports below for instructions and the latest authoritative assessment. StormScapes does not independently confirm damage or issue evacuation orders.
What happens next
Follow updates from the responsible agency and local emergency management. Reports can change as new information becomes available.
Incident timeline
Dense fog has ended for much of the area. Patches of fog reducing visibility may linger through the late morning hours, especially along US-191 from Big Timber through Judith Gap.
* WHAT...Areas of dense fog producing visibility one quarter mile or less. * WHERE...Portions of central, south central, and southeast Montana and north central Wyoming. * WHEN...Until 10 AM MDT this morning. * IMPACTS...Morning travelers can expect to encounter areas of very poor visibility. This includes portions of Interstate 90 from Big Timber to Billings, Hardin and Sheridan. Portions of Interstate 94, US-191, and US-212 will also be impacted. Please use caution and allow extra time for your morning commute. * ADDITIONAL DETAILS...Fog will slowly dissipate in the mid to late morning. If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.