Sidney, MT Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Sidney.

Use the Radar Maps link provided to understand the trajectory of a storm.

Winter Weather Advisory issued November 4 at 10:25AM MST until November 5 at 11:00AM 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 90 percent. Snow squalls will have the potential for brief heavy snow, leading to low visibility and icy conditions. Winds gusting as high as 45 mph. * WHERE...Homestake Pass, Butte, Highway 12 Garrison to Elliston, Georgetown Lake, and MacDonald Pass. * WHEN...From 5 PM this afternoon to 11 AM MST Tuesday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Use extra caution while driving. These conditions could impact the Monday evening and Tuesday morning commutes, especially over higher passes. Gusty winds could bring down tree branches.

Winter Weather Advisory issued November 4 at 10:25AM MST until November 5 at 11:00AM MST by NWS Missoula MT

* WHAT...Snow expected. Likelihood of minor to moderate impacts from around 1 to 2 inches of snow is 80 percent, and isolated areas of 2 to 4 inches is 30 percent. Snow bands will have the potential for brief moderate to heavy snow, leading to low visibility and icy conditions. Winds gusting as high as 35 mph. * WHERE...Mission Valley, Polson, Flathead Lake, and Flathead Valley. * WHEN...From 6 PM this evening to 11 AM MST Tuesday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Use extra caution while driving.

Winter Weather Advisory issued November 4 at 10:25AM MST until November 5 at 11:00AM MST by NWS Missoula MT

* WHAT...Snow expected. Likelihood of minor to moderate impacts from around 1 to 2 inches of snow is 80 percent, and isolated areas of 2 to 4 inches is 30 percent. Snow bands will have the potential for brief moderate to heavy snow, leading to low visibility and icy conditions. Winds gusting as high as 40 mph. * WHERE...Bitterroot Valley and Missoula. * WHEN...From 6 PM this evening to 11 AM MST Tuesday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Use extra caution while driving.

Winter Weather Advisory issued November 4 at 10:25AM MST until November 5 at 11:00AM MST by NWS Missoula MT

* WHAT...Snow expected. Likelihood of moderate impacts from 3 to 6 inches of snow is greater than 90 percent, and up to a 50 percent chance of isolated major impacts from 6 to 10 inches or more of snow. Winds gusting as high as 40 mph. * WHERE...Highway 200 Bonner to Greenough, I-90 East Missoula to Bearmouth, and Highway 83 Seeley Lake to Condon. * WHEN...From 6 PM this evening to 11 AM MST Tuesday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR impacts from snow, expect considerable disruptions to normal activities.

Winter Storm Warning issued November 4 at 10:25AM MST until November 5 at 5:00PM MST by NWS Missoula MT

* WHAT...Heavy snow expected above 4000 feet. Likelihood of major impacts from 6 to 10 inches or more of snow is 100 percent, and 10 to 18 inches of snow is 40 percent. Winds gusting as high as 45 mph. * WHERE...Evaro Hill. * WHEN...From 2 PM this afternoon to 5 PM MST Tuesday. * 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. The hazardous conditions could impact the Monday evening and Tuesday morning commutes, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow bands will have the potential for brief moderate to heavy snow, leading to low visibility and icy conditions at all elevations.

Winter Weather Advisory issued November 4 at 10:25AM MST until November 5 at 5:00PM MST by NWS Missoula MT

* WHAT...Snow expected above 4000 feet. Likelihood of moderate impacts from 3 to 6 inches of snow is greater than 90 percent, and up to a 50 percent chance of isolated major impacts from 6 to 10 inches or more of snow. Winds gusting as high as 45 mph. * WHERE...Highway 37 Eureka to Libby, Highway 93 Eureka to Whitefish, Highway 2 Kalispell to Libby, and Highway 56 Bull Lake Road. * WHEN...From 2 PM this afternoon to 5 PM MST Tuesday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Use extra caution while driving. These conditions could impact the Monday evening and Tuesday morning commutes, especially over higher passes. Gusty winds could bring down tree branches.

Winter Weather Advisory issued November 4 at 10:25AM MST until November 5 at 5:00PM MST by NWS Missoula MT

* WHAT...Snow expected. Likelihood of moderate impacts from 3 to 6 inches of snow is greater than 90 percent, and up to a 50 percent chance of isolated major impacts from 6 to 10 inches or more of snow. Winds gusting as high as 45 mph. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 2 PM this afternoon to 5 PM MST Tuesday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Use extra caution while driving. These conditions could impact the Monday evening and Tuesday morning commutes, especially over higher passes. Gusty winds could bring down tree branches.

Winter Storm Warning issued November 4 at 10:25AM MST until November 5 at 11:00PM MST by NWS Missoula MT

* WHAT...Heavy snow expected above 4000 feet. Likelihood of major impacts from 6 to 10 inches or more of snow is 100 percent, and 10 to 18 inches of snow is 70 percent. Winds gusting as high as 45 mph. * WHERE...Essex to Marias Pass. * WHEN...From 5 PM this afternoon to 11 PM MST Tuesday. * 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. The hazardous conditions could impact the Monday evening and Tuesday morning commutes, especially over higher passes. Gusty winds could bring down tree branches.

Wind Advisory issued November 4 at 5:51AM MST until November 5 at 9:00AM MST by NWS Billings MT

* WHAT...Southwest winds 30 to 40 mph with gusts to 60 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...From 3 PM this afternoon to 9 AM MST Tuesday. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. * ADDITIONAL DETAILS...Strongest winds are expected Monday evening.

Winter Storm Watch issued November 4 at 2:21AM MST until November 6 at 11:00AM MST by NWS Glasgow MT

* WHAT...Heavy snow possible. Total snow accumulations up to 7 inches possible. Winds could gust as high as 40 mph. * WHERE...Southwest Phillips County. * WHEN...From Tuesday morning through Wednesday morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.

High Wind Warning issued November 4 at 1:41AM MST until November 5 at 8:00AM MST by NWS Great Falls MT

* WHAT...West winds 30 to 50 mph, with gusts up to 80 mph expected. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 8 AM this morning to 8 AM MST Tuesday. * IMPACTS...Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The period of most intense wind gusts is expected to occur from 2 PM MST this afternoon to 11 PM MST this evening.

High Wind Warning issued November 4 at 1:41AM MST until November 5 at 11:00PM MST by NWS Great Falls MT

* WHAT...West to northwest winds 30 to 50 mph, with gusts up to 70 mph expected. Isolated gusts up to 80 mph along the immediate eastern slopes of the Rocky Mountain Front. * WHERE...The foothills and plains adjacent to the Rocky Mountain Front, and Eastern Glacier, Western Toole, and Central Pondera Counties. * WHEN...From 8 AM this morning to 11 PM MST Tuesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The period of most intense wind gusts is expected to occur from 5 PM MST this afternoon to 2 AM MST on Tuesday.

High Wind Warning issued November 4 at 1:41AM MST until November 5 at 11:00PM MST by NWS Great Falls MT

* WHAT...West to northwest winds 25 to 35 mph, with gusts up to 60 mph expected. * WHERE...Eastern Toole and Liberty Counties, Judith Basin County and Judith Gap, Fergus County below 4500ft, and Snowy and Judith Mountains. * WHEN...From 11 PM this evening to 11 PM MST Tuesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest winds are expected to occur between and near terrain gaps like the US Hwy 89 and Montana Hwy 200 corridor between the Little Belt and Highwood Mountains, in addition to areas immediately downwind of the island ranges of Central and North Central Montana.

Blizzard Warning issued November 4 at 1:16AM MST until November 5 at 8:00AM MST by NWS Great Falls MT

* WHAT...For the Blizzard Warning, blizzard conditions expected. Total snow accumulations between 2 and 5 inches below 5000 feet, with 5 to 14 inches possible above 5000 feet. Winds gusting as high as 80 mph. For Winter Weather Advisory that follows, snow expected. Additional snow accumulations between 2 and 4 inches on Tuesday. Winds gusting as high as 60 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...For the Blizzard Warning, from 1 PM this afternoon to 8 AM MST Tuesday. For the Winter Weather Advisory, from 8 AM to 11 PM MST Tuesday. * 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. Widespread blowing snow could significantly reduce visibility. Very strong winds could cause extensive damage to trees and power lines.

Winter Weather Advisory issued November 4 at 1:16AM MST until November 5 at 11:00PM MST by NWS Great Falls MT

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches. Winds gusting as high as 65 mph. * WHERE...The foothills and plains adjacent to the Rocky Mountain Front. * WHEN...From 1 PM this afternoon to 11 PM MST Tuesday. * IMPACTS...Plan on slippery road conditions and reduced visibility due to falling or blowing snow.

Winter Weather Advisory issued November 4 at 1:16AM MST until November 5 at 11:00PM MST by NWS Great Falls MT

* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 55 mph. * WHERE...Upper Blackfoot and MacDonald Pass. * WHEN...From 8 AM this morning to 11 PM MST Tuesday. * IMPACTS...Plan on slippery road conditions.

Winter Weather Advisory issued November 4 at 1:16AM MST until November 5 at 11:00PM MST by NWS Great Falls MT

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches. Winds gusting as high as 45 mph. * WHERE...Northwest Beaverhead County. * WHEN...From 8 AM this morning to 11 PM MST Tuesday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches.

Winter Weather Advisory issued November 4 at 1:16AM MST until November 5 at 11:00PM MST by NWS Great Falls MT

* WHAT...For the Blizzard Warning, blizzard conditions expected. Total snow accumulations between 2 and 5 inches below 5000 feet, with 5 to 14 inches possible above 5000 feet. Winds gusting as high as 80 mph. For Winter Weather Advisory that follows, snow expected. Additional snow accumulations between 2 and 4 inches on Tuesday. Winds gusting as high as 60 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...For the Blizzard Warning, from 1 PM this afternoon to 8 AM MST Tuesday. For the Winter Weather Advisory, from 8 AM to 11 PM MST Tuesday. * 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. Widespread blowing snow could significantly reduce visibility. Very strong winds could cause extensive damage to trees and power lines.

Winter Storm Warning issued November 4 at 1:16AM MST until November 6 at 5:00AM MST by NWS Great Falls MT

* WHAT...Heavy snow expected. Total snow accumulations 3 to 9 inches in northerly upslope favored areas, with 1 to 3 inches possible elsewhere including in Great Falls. Winds could gust as high as 55 mph. * WHERE...Cascade County below 5000ft, Fergus County below 4500ft, and Judith Basin County and Judith Gap. * WHEN...From 5 AM Tuesday to 5 AM MST Wednesday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Tuesday morning and evening commutes. Gusty winds could bring down tree branches.

Winter Storm Warning issued November 4 at 1:16AM MST until November 6 at 5:00AM MST by NWS Great Falls MT

* WHAT...Total snow accumulations between 12 and 24 inches in northerly upslope favored areas, with 5 to 12 inches possible elsewhere. Winds could gust as high as 55 mph. * WHERE...Little Belt and Highwood Mountains. * WHEN...From 5 AM Tuesday to 5 AM MST Wednesday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes.

Winter Storm Watch issued November 4 at 1:16AM MST until November 6 at 5:00AM MST by NWS Great Falls MT

* WHAT...Heavy snow possible. Total snow accumulations between 2 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...Bears Paw Mountains and Southern Blaine. * WHEN...From late tonight through late Tuesday night. * IMPACTS...Travel could be very difficult. Widespread blowing snow could significantly reduce visibility.

Winter Weather Advisory issued November 4 at 1:16AM MST until November 6 at 5:00AM MST by NWS Great Falls MT

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches below 7000 feet and up to 8 inches above 7000 feet. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Meagher County Valleys. * WHEN...From 5 PM this afternoon to 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions and reduced visibility. * ADDITIONAL DETAILS...The heaviest snow is expected Tuesday afternoon and evening along Bozeman Pass.

Winter Weather Advisory issued November 4 at 1:16AM MST until November 6 at 5:00AM MST by NWS Great Falls MT

* WHAT...Snow expected. Total snow accumulations between 2 and 9 inches. Winds gusting as high as 45 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 5 PM this afternoon to 5 AM MST Wednesday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches.

Winter Storm Warning issued November 4 at 1:16AM MST until November 6 at 5:00AM MST by NWS Great Falls MT

* WHAT...Heavy snow expected. Total snow accumulations between 6 and 14 inches. Winds gusting as high as 55 mph. * WHERE...Snowy and Judith Mountains. * WHEN...From 5 AM Tuesday to 5 AM MST Wednesday. * 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. Widespread blowing snow could significantly reduce visibility. Strong winds could cause extensive damage to trees and power lines.