Hydrologic Outlook issued February 20 at 12:05PM MST by NWS Missoula MT
ESFMSO Where: Powell, Deer Lodge, and Silver Bow Counties in Montana and Lemhi County in Idaho. What: A significant warm up is expected this weekend into early next week (February 24). High temperatures will reach into the 40s, with overnight temperatures near or above freezing. Rapid lowland snowmelt will lead to ponding of water in low lying areas, especially in areas of poor drainage and/or in basements/crawlspaces. Ice jam releases are also a concern on small streams and/or creeks, and may lead to localized flooding. Rain showers will bring precipitation totals up to 0.20 inches across valley areas Sunday into
Winter Weather Advisory issued February 19 at 11:47AM MST until February 20 at 8:00AM MST by NWS Missoula MT
* WHAT...Snow expected. Likelihood of minor impacts from snow is up to 60 percent. Total snow accumulations up to 2 inches valleys 3 to 6 inches mountain passes. * WHERE...Salmon, Shoup, Lemhi Pass, Williams Creek Summit, Bannock Pass, Highway 28 Tendoy to Lone Pine, and Highway 93 Lost Trail Pass to Gibbonsville. * WHEN...Until 8 AM MST Thursday. * IMPACTS...For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes, especially over higher passes.
Winter Weather Advisory issued February 18 at 12:24PM MST until February 20 at 8:00AM MST by NWS Missoula MT
* WHAT...Snow expected. Likelihood of minor to moderate impacts from around 1 to 3 inches of snow is 100 percent, and 3 to 6 inches of snow is 80 percent. * WHERE...Pierce, Elk City, Highway 12 Lowell to Lolo Pass, Dixie, Elk River, and Highway 11 Pierce to Headquarters. * WHEN...From 10 AM Wednesday to 7 AM PST Thursday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes, especially over higher
Winter Weather Advisory issued February 16 at 1:39PM MST until February 18 at 9:00AM MST by NWS Missoula MT
* WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 80 percent. Total snow accumulations between 2 and 8 inches. Icy conditions are possible after sunset. * WHERE...Lemhi Pass, Williams Creek Summit, Highway 28 Tendoy to Lone Pine, Shoup, Bannock Pass, Salmon, and Highway 93 Lost Trail Pass to Gibbonsville. * WHEN...From 6 PM this evening to 9 AM MST Tuesday. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Monday morning and evening commutes, especially over higher passes.
Winter Storm Warning issued February 16 at 1:39PM MST until February 18 at 9:00AM MST by NWS Missoula MT
* WHAT...For the Winter Weather Advisory, snow. Likelihood of developing or ongoing minor impacts from snow is greater than 80 percent. For the Winter Storm Warning, heavy snow expected. Likelihood of major impacts from snow is greater than 80 percent. Total snow accumulations up to 10 inches, mainly focused in the Camas Prairie and Grangeville. * WHERE...Greer Grade, Camas Prairie, and Grangeville and vicinity. * WHEN...For the Winter Weather Advisory, until 10 AM PST Monday. For the Winter Storm Warning, from 10 AM Monday to 8 AM PST Tuesday. * IMPACTS...Winter traveling conditions. For MAJOR impacts from snow, expect considerable
Winter Weather Advisory issued February 16 at 1:39PM MST until February 17 at 11:00AM MST by NWS Missoula MT
* WHAT...For the Winter Weather Advisory, snow. Likelihood of developing or ongoing minor impacts from snow is greater than 80 percent. For the Winter Storm Warning, heavy snow expected. Likelihood of major impacts from snow is greater than 80 percent. Total snow accumulations up to 10 inches, mainly focused in the Camas Prairie and Grangeville. * WHERE...Greer Grade, Camas Prairie, and Grangeville and vicinity. * WHEN...For the Winter Weather Advisory, until 10 AM PST Monday. For the Winter Storm Warning, from 10 AM Monday to 8 AM PST Tuesday. * IMPACTS...Winter traveling conditions. For MAJOR impacts from snow, expect considerable
Winter Storm Warning issued February 15 at 1:19PM MST until February 17 at 11:00PM MST by NWS Missoula MT
* WHAT...Heavy snow expected. Likelihood of major impacts from 6 to 10 inches or more of snow is 100 percent, and 10 to 18 inches of snow is 60 percent. * WHERE...Highway 12 Lowell to Lolo Pass, Dixie, and Elk City. * WHEN...From 10 PM this evening to 10 PM PST Monday. * IMPACTS...For MAJOR impacts from snow, 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 Monday morning and evening commutes, especially over higher passes.
Winter Storm Warning issued February 15 at 1:19PM MST until February 17 at 5:00PM MST by NWS Missoula MT
* WHAT...Heavy snow expected. Likelihood of major impacts from 10 to 18 inches of snow is greater than 90 percent, and up to a 30 percent chance of isolated extreme impacts from around 2 feet of snow. * WHERE...Pierce, Highway 11 Pierce to Headquarters, and Elk River. * WHEN...From 10 PM this evening to 4 PM PST Monday. * IMPACTS...For MAJOR impacts from snow, 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 Monday morning and
Winter Weather Advisory issued February 15 at 1:19PM MST until February 17 at 11:00AM MST by NWS Missoula MT
* WHAT...Snow expected. Likelihood of moderate impacts from 1 to 4 inches of snow is greater than 90 percent, and up to a 50 percent chance of isolated major impacts from 5 to 10 inches or more of snow at higher elevations, including Whitebird Hill and Greer Grade. * WHERE...White Bird Grade, Camas Prairie, Highway 95 Slate Creek to Riggins, Greer Grade, Orofino, and Grangeville and vicinity. * WHEN...From 10 PM this evening to 10 AM PST Monday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions
Winter Weather Advisory issued February 14 at 9:04AM MST until February 15 at 11:00AM MST by NWS Missoula MT
* WHAT...Snow expected. Likelihood of moderate impacts is greater than 90 percent in the Camas Prairie and greater than 60% along the benches of US-95. * WHERE...Greer Grade, Camas Prairie, White Bird Grade, Grangeville and vicinity, and Highway 95 Slate Creek to Riggins. * WHEN...Until 10 AM PST Saturday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday morning and evening commutes, especially over higher passes.