Olney, 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 Olney.

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

Special Weather Statement issued November 23 at 9:37AM MST by NWS Great Falls MT

Sustained southerly winds of 30 to 40 mph, with gusts up to around 55 mph are expected through early this afternoon in the Madison River Valley. Those driving high profile vehicles should exercise caution and be prepared for crosswinds if traveling east or west across the valley.

Winter Weather Advisory issued November 23 at 8:37AM MST until November 24 at 5:00AM MST by NWS Great Falls MT

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. Winds gusting up to 30 mph at times, mainly through this evening. * WHERE...Southern Rocky Mountain Front. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan for winter driving conditions. Snow and blowing snow may significantly reduce visibility at times.

Winter Weather Advisory issued November 23 at 8:37AM MST until November 24 at 5:00AM MST by NWS Great Falls MT

* WHAT...Mixed precipitation. Additional snow accumulations up to two inches and ice accumulations around a light glaze. * WHERE...Eastern Pondera and Eastern Teton Counties, Western and Central Chouteau County, and Cascade County below 5000ft. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan for winter driving conditions. Snow and blowing snow may significantly reduce visibility, mainly this evening.

Winter Storm Warning issued November 23 at 8:37AM MST until November 24 at 5:00AM MST by NWS Great Falls MT

* WHAT...Heavy snow and blowing snow expected. Total snow accumulations ranging from between 2 and 4 inches in Liberty and Toole Counties to between 4 and 7 inches in Eastern and Central Glacier County. Winds gusting as high as 35 mph. * WHERE...Eastern Glacier, Western Toole, and Central Pondera Counties, Eastern Toole and Liberty Counties, and Northern High Plains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan for winter driving conditions. Snow and blowing snow may significantly reduce visibility at times, especially this afternoon and evening.

Winter Weather Advisory issued November 23 at 8:37AM MST until November 24 at 5:00AM MST by NWS Great Falls MT

* WHAT...Snow. Total snow accumulation up to 2 inches in the Big Hole Valley, with 3 to 7 inches at pass level. Winds gusting as high as 35 mph. * WHERE...Northwest Beaverhead County. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Travel could be very difficult.

Winter Weather Advisory issued November 23 at 8:37AM MST until November 24 at 5:00AM MST by NWS Great Falls MT

* WHAT...Snow and mixed precipitation expected to change over to mostly snow this afternoon. Additional snow accumulations up to 2 inches and ice accumulations around a light glaze. Winds gusting as high as 35 mph. * WHERE...Bears Paw Mountains and Southern Blaine, Hill County, Northern Blaine County, and Southern High Plains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan on winter driving conditions. Snow and blowing snow may significantly reduce visibility at times, especially tonight.

Winter Storm Warning issued November 23 at 8:37AM MST until November 24 at 5:00AM MST by NWS Great Falls MT

* WHAT...Heavy snow expected. Additional snow accumulations ranging from 4 inches on the foothills up to 12 inches on mountain peaks. 6 to 9 inches of snowfall possible on Marias Pass. Winds gusting as high as 30 mph. * WHERE...East Glacier Park Region Zone. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Travel could be very difficult. Tire chains may be required for some vehicles if traveling through mountain passes. Those in the backcountry should ensure they are prepared for dangerous conditions. Snow and blowing snow may reduce visibility at times, especially this afternoon and evening.

Winter Weather Advisory issued November 23 at 8:37AM MST until November 24 at 11:00AM MST by NWS Great Falls MT

* WHAT...Snow expected. Total snow accumulations between 1 and 3 inches in the valleys and up to 6 inches in the mountains. Winds gusting up to 30 mph, mainly this evening. * WHERE...The Interstate 90 Corridor between Bozeman and Whitehall, Big Belt, Bridger and Castle Mountains, and Madison River Valley. * WHEN...From 5 PM this afternoon to 11 AM MST Sunday. * IMPACTS...Plan on winter driving conditions. Snow and blowing snow may significantly reduce visibility at times, mainly this evening.

Winter Weather Advisory issued November 23 at 8:37AM MST until November 24 at 5:00PM MST by NWS Great Falls MT

* WHAT...Snow expected. Total snow accumulations between 1 and 4 inches in the valleys and up to 8 inches in the mountains. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 5 PM MST Sunday. * IMPACTS...Plan on winter driving conditions. Snow and blowing snow may significantly reduce visibility at times, mainly through this evening.

Winter Weather Advisory issued November 23 at 7:45AM MST until November 23 at 12:00PM MST by NWS Missoula MT

* WHAT...Snow. Likelihood of developing or ongoing 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. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...Until noon MST today. * 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.

Winter Weather Advisory issued November 23 at 7:45AM MST until November 23 at 12:00PM MST by NWS Missoula MT

* WHAT...Freezing Rain and wet snow. Light freezing rain is occurring. Likelihood of developing or ongoing minor to moderate impacts from around 1 to 3 inches of snow is 100 percent, and 3 to 6 inches of snow is 70 percent. * WHERE...Flathead Lake, Mission Valley, Polson, and Flathead Valley. * WHEN...Until noon MST today. * 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.

Winter Weather Advisory issued November 23 at 7:45AM MST until November 23 at 5:00PM MST by NWS Missoula MT

* WHAT...Mixed precipitation. Likelihood of developing or ongoing moderate impacts from from 1 to 3 inches in the valleys below 4000 feet is greater than 90 percent, and 3 to 6 inches of snow is greater than 80 percent east of West Glacier, and up to a 50 percent chance of isolated major impacts from 6 to 10 inches or more of snow. Ice accumulations around a light glaze. * WHERE...Marias Pass, Highway 83 Bigfork to Swan Lake, Essex, Bad Rock Canyon, and Polebridge. * WHEN...Until 5 PM MST this afternoon. * 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. 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.

Winter Weather Advisory issued November 23 at 2:36AM MST until November 24 at 5:00PM MST by NWS Glasgow MT

* WHAT...Snow and mixed precipitation. Additional snow accumulations up to one inch and ice accumulations around a light glaze. * WHERE...A portion of northeast Montana north of the Missouri River. * WHEN...Until 5 PM MST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.