MONTANA BOAT LAUNCHES

* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains and Northwest Beaverhead County. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Upper Blackfoot and MacDonald Pass. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 35 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow and slick roads expected. Total snow accumulations up to two inches. Winds gusting as high as 35 mph. * WHERE...In Montana, Bighorn Canyon and Southern Big Horn. In Wyoming, Sheridan Foothills. * WHEN...From 11 AM this morning to 11 PM MST this evening. * IMPACTS...Roads, and especially bridges and overpasses, may become slick and hazardous. * ADDITIONAL DETAILS...Temperatures are expected to fall during the afternoon behind a strong cold front. Wet roads from melting snow may freeze and become hazardous late today into the evening. This includes I-90 through Sheridan.

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 40 mph. * WHERE...Beartooth Foothills and Red Lodge Foothills. * WHEN...From 8 AM this morning to 11 PM MST this evening. * IMPACTS...Roads may become slick and visibility may be reduced in falling and blowing snow. * ADDITIONAL DETAILS...Temperatures are expected to fall during the afternoon behind a strong cold front. Wet roads from melting snow may freeze and become hazardous late today into the evening. This includes US-212, US-310 and Highway 78.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations up to 4 inches. Winds gusting as high as 45 mph. * WHERE...Flathead Lake, Polson, Mission Valley, and Flathead Valley. * WHEN...Until 8 PM MST Saturday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. Winter traveling conditions. The hazardous conditions could impact the Friday evening commute, especially over higher passes. * ADDITIONAL DETAILS...Rain has changed over to snow earlier than expected in the Flathead Valley beginning winter weather impacts. Heavy snow bands and or snow squalls are possible late Friday night into Saturday morning with the arrival of a strong cold front. An Arctic front will move westward across the Continental Divide and into the region on Saturday bringing an uptick in northeast winds toward 50 mph possible in and near canyon gaps and downsloping foothills. Much colder temperatures with, and behind, this Arctic front on Saturday. Rapid freeze up of any wet or slushy surfaces is possible.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to 3 inches. Winds gusting as high as 45 mph. * WHERE...Missoula and Bitterroot Valley. * WHEN...From 2 AM to 5 PM MST Saturday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. Winter traveling conditions. * ADDITIONAL DETAILS...There is the potential for snow bands and or snow squalls to impact the area late Friday night into Saturday morning. Anticipate brief but rapid deterioration in visibility, moderate to heavy snowfall intensity, and strong winds with any banding or squalls. There is the potential for much colder air from the northeast, through the day on Saturday, increasing the risk for rapid freeze up of any wet or slushy surfaces.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a chance of minor winter weather impacts. Total snow accumulations up to 3 inches. Winds gusting as high as 45 mph. * WHERE...MacDonald Pass, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and Butte. * WHEN...From 5 AM to 8 PM MST Saturday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. Winter traveling conditions. * ADDITIONAL DETAILS...There is the potential for snow bands and or snow squalls to impact the area late Friday night into Saturday morning. Anticipate brief but rapid deterioration in visibility, moderate to heavy snowfall intensity, and strong winds with any banding or squalls. Much colder air from the northeast, through the day on Saturday, increasing the risk for rapid freeze up of any wet or slushy surfaces.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 2 and 12 inches. Winds gusting as high as 50 mph. * WHERE...Elk City, Lolo Pass, Highway 93 Sula to Lost Trail Pass, Highway 12 Lowell to Lolo Pass, and Dixie. * WHEN...Until 8 PM MST /7 PM PST/ Saturday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. The hazardous conditions could impact the Friday morning and evening commutes, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Heavy snow bands and or snow squalls are possible late Friday night into Saturday morning with the arrival of a strong cold front.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 2 and 4 inches. Winds gusting as high as 45 mph. * WHERE...Highway 83 Seeley Lake to Condon, I-90 East Missoula to Bearmouth, and Highway 200 Bonner to Greenough. * WHEN...Until 8 PM MST Saturday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. The hazardous conditions could impact the Friday evening commute, especially over higher passes. * ADDITIONAL DETAILS...There is the potential for snow bands and or snow squalls to impact the area late Friday night into Saturday morning. Anticipate brief but rapid deterioration in visibility, moderate to heavy snowfall intensity, and strong winds with any banding or squalls. Much colder air moves into the region for Saturday.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations between 2 and 7 inches. Winds gusting as high as 45 mph. * WHERE...Highway 11 Pierce to Headquarters, Elk River, and Pierce. * WHEN...Until 1 PM PST Saturday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. The hazardous conditions could impact the Friday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...There is the potential for a rapid freeze up of wet or slushy surfaces with much colder air moving into the area on Saturday.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a chance of minor to moderate winter weather impacts. Total snow accumulations up to 6 inches. Winds gusting as high as 45 mph. * WHERE...Bannock Pass, Lemhi Pass, Highway 28 Tendoy to Lone Pine, Highway 93 Lost Trail Pass to Gibbonsville, Salmon, Shoup, and Williams Creek Summit. * WHEN...Until 8 PM MST Saturday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. Winter traveling conditions. The hazardous conditions could impact the Friday evening commute, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...There is the potential for freezing rain in lower elevations with the onset of precipitation Thursday night into Friday morning.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations between 3 and 12 inches. Winds gusting as high as 50 mph. * WHERE...Glacier National Park, Marias Pass, Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, and Polebridge. * WHEN...Until 5 PM MST Saturday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Heavy snow bands and or snow squalls are possible late Friday night into Saturday morning with the arrival of a strong cold front. An Arctic front will move westward across the Continental Divide on Saturday bringing an uptick in northeast winds in, and near, canyon gaps and downslope foothills. Much colder temperatures with, and behind, this Arctic front. Rapid freeze up of any wet or slushy roads is likely.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 1 and 6 inches with up to 12-16 inches possible at Lookout Pass. Winds gusting as high as 45 mph. * WHERE...Highway 200 Trout Creek to Heron, Evaro Hill, I-90 Lookout Pass to Haugan, and Highway 200 Thompson Falls to Plains. * WHEN...Until 2 PM MST Saturday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. The hazardous conditions could impact the Friday evening commute, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...It is possible for much colder air to move into the lower valleys on Saturday bringing the potential for rapid freeze up of any wet or slushy surfaces. Heavy snow bands and or snow squalls are possible late Friday night into Saturday morning with the arrival of a strong cold front.

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]... .A series of cold fronts will move through the Northern Rockies bringing wind and snow impacts beginning as early as late tonight into Friday morning. Snow squalls are possible in western Montana late Friday night into early Saturday morning with the arrival of a strong cold front. A push of Arctic air will move westward across the Continental Divide on Saturday bringing another uptick and change in direction of winds with much colder temperatures to follow. * WHAT...Snow expected. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations between 1 and 7 inches. Winds gusting as high as 45 mph. * WHERE...Highway 37 Eureka to Libby, Highway 2 Kalispell to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...Until 5 PM MST Saturday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Heavy snow bands and or snow squalls are possible late Friday night into Saturday morning with the arrival of a strong cold front. An Arctic front will move westward across the Continental Divide and into the region on Saturday bringing an uptick in northeast winds. Much colder temperatures with, and behind, this Arctic front. Rapid freeze up of any wet or slushy surfaces is possible.

* WHAT...Dangerously cold wind chills as low as 40 below expected. * WHERE...Bears Paw Mountains and Southern Blaine, Hill County, and Northern Blaine County. * WHEN...From 10 AM this morning to 11 AM MST Sunday. * IMPACTS...The dangerously cold wind chills as low as 40 below zero could cause frostbite on exposed skin in as little as 10 minutes.

* WHAT...Dangerously cold wind chills as low as 35 below expected. * WHERE...Eastern Glacier, Western Toole, and Central Pondera Counties, and Eastern Toole and Liberty Counties. * WHEN...From 6 AM this morning to 5 AM MST Sunday. * IMPACTS...The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes.