Weather Alerts For Jackson, MT
Winter Storm Warning
-URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 146 PM MST Thu Dec 4 2025 ...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .The first round of heavy snow is expected to last through early Friday morning and will primarily focus on the mountains of central and southwest Montana with 4 to 8 inches possible along the mountain passes including Bozeman and Kings Hill Pass. A period of lighter snowfall is expected Friday morning and afternoon. The second and more widespread round of heavier snowfall is expected to arrive Friday evening and continue into Saturday evening with an additional 6 to 12 inches possible over the passes and higher amounts above pass level. Northwest Beaverhead County- Including the following locations: Dewey, Chief Joseph Pass, Big Hole Pass, Wisdom, and Wise River 146 PM MST Thu Dec 4 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST SATURDAY... * WHAT...Heavy snow expected. Snowfall totals between 2 and 6 inches in the Big Hole Valley and between 8 and 15 inches at pass level. Winds gusting as high as 40 mph. * WHERE...Northwest Beaverhead County. * WHEN...From 5 PM this afternoon to 5 PM MST Saturday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Storm Warning means that there is at least an 80% chance of impactful winter weather conditions during the warning period. &&