The National Weather Service in Billings has issued a Winter Storm Warning for portions of central and south-central Montana.
A Winter Storm Warning remains in effect from midnight Tuesday through noon Thursday.
What is expected: Heavy snow. Total snow accumulations of 6 to 10 inches, with localized heavier amounts. Winds could gust as high as 40 mph, creating blowing and drifting snow.
Where: This warning includes the locations of Roundup, Melstone, Musselshell, Hysham, Bighorn, Colstrip, Forsyth, Ingomar, Angela, Billings, Laurel, Huntley, Pompeys Pillar, Custer, Broadview, Bridger, Joliet, Fromberg, Belfry, Warren, Hardin, Crow Agency, and Busby.
When: From Tuesday night through Thursday morning. Rain will transition quickly to snow late tonight, with snow becoming heavy at times overnight into Wednesday morning.
Impacts: Travel and outdoor activities will be very difficult. Rural travel may be impossible in some locations. Tree and power line damage is likely and may result in power outages. Those with hunting or recreation interests should prepare accordingly.
Precautionary/preparedness actions: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.
For the latest road conditions, call 511 or go to https://roadreport.mdt.mt.gov/travinfomobile/.
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Significant snow accumulations will impact the area beginning late Tuesday night through Thursday. The heaviest snow will be Wednesday morning. Expect icy and snow covered roads beginning Wednesday morning with temperatures continuing to fall through the day into the single digits and teens by Wednesday night.
Expect hazardous travel conditions on Wednesday, with icy and snow covered roads and poor visibility from heavy snowfall. The worst travel conditions will occur Wednesday morning. Give yourself extra time for your commute! Rain on Tuesday will change over to snow late Tuesday night into Wednesday morning, and snow will continue through the day on Wednesday. For travel information, call 511.
A winter blast is expected Tuesday night through Wednesday. After a warm day Tuesday, with temperatures in the 60s and 70s, temperatures will fall into the 20s to low 30s Tuesday night. Highs on Wednesday will be only in the 20s and 30s, then temperatures will fall into the teens and single digits Wednesday night. Commutes will be challenging Wednesday and Thursday with icy roads and falling snow. There will be a slow warm-up through the weekend, dependent on snow cover.
Strong southwest winds will continue to gust near 60 mph Tuesday morning, decreasing to gusts around 50 mph in the afternoon. Winds will diminish significantly behind a cold front late Tuesday afternoon into the evening. Dangerous crosswinds can be expected on I-90 near Livingston. High profile vehicles and those towing trailers should consider an alternate route or delay travel through this area until winds subside.