West Yellowstone, MT Weather Alerts

Gallatin County7:19 AM MDT44.66°N, 111.10°WElevation 6,663 ft

Dense Fog Advisory

Moderate · Expected

Until 11:00 AM Sun·Issued 4:34 AM Sun Oct 25·NWS Great Falls MT

Dense Fog Advisory issued October 25 at 4:34AM MDT until October 25 at 11:00AM MDT by NWS Great Falls MT

Details

What: Visibility below a quarter of a mile at times in dense fog.

Where: Portions of central, north central, and southwest Montana.

When: Until 11 AM MDT this morning.

Impacts: Low visibility could make driving conditions hazardous.

What to do

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Areas: Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Helena Valley; Elkhorn and Boulder Mountains; Canyon Ferry Area; Missouri Headwaters; Gallatin Valley; Northwest Beaverhead County; Gallatin and Madison County Mountains and Centennial Mountains

From the National Weather Service. In an emergency follow the instructions of local officials.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use. How to use Weather