Special Weather Statement for Elkhorn and Boulder Mountains; Canyon Ferry Area; Missouri Headwaters +6 more
Official alert fields
What you need to know
- Applies to
- Beaverhead and Western Madison below 6000ft, Canyon Ferry Area, Elkhorn and Boulder Mountains, Gallatin Valley, Gallatin and Madison County Mountains and Centennial Mountains, Madison River Valley, Missouri Headwaters, Northwest Beaverhead County and 1 more
- Effective
- Ends or expires
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
Patchy dense fog will continue to be a concern heading into the early afternoon hours. Expect highly variable visibility reductions down to a quarter of a mile or less. Those traveling should be prepared for sharp visibility reductions across short distances. Also, frost deposition may cause isolated slippery spots...
What the bulletin says to do
No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.
Full official description
Bulletin details
Patchy dense fog will continue to be a concern heading into the early afternoon hours. Expect highly variable visibility reductions down to a quarter of a mile or less. Those traveling should be prepared for sharp visibility reductions across short distances. Also, frost deposition may cause isolated slippery spots on area roads. Use low beam head lights, slow down and allow extra time to reach your destination.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued October 25 at 10:38AM MDT by NWS Great Falls MT
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Great Falls MT. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected