National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Sidney-Richland (KSDY)

Lat: 47.7°NLon: 104.2°WElev: 1985.0ft.

Clear

-12°F

-24°C

Humidity 53%
Wind Speed SW 4 MPH
Barometer 30.71 in (1039.96 mb)
Dewpoint -24°F (-31°C)
Visibility 10.00 mi
Wind Chill-23°F (-31°C)
Last update 23 Jan 11:56 AM MST
Extended Forecast for

Lambert MT

Cold Weather Advisory January 23, 12:05pm until January 25, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 12:05pm until January 25, 01:00pm

    NOW until 1:00pm Sun

    Cold Weather Advisory

  • This Afternoon

    High: -7 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around -19. Wind chill values between -20 and -25. Light south southwest wind.

    Low: -19 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 6. Wind chill values between -5 and -15. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 6 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around -19. North wind around 5 mph becoming calm in the evening.

    Low: -19 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 5. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 5 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -2. South southwest wind 6 to 10 mph.

    Low: -2 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 19. West northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 19 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 2. West northwest wind around 6 mph becoming calm in the evening.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and cold, with a high near -7. Wind chill values between -10 and -20. South southeast wind 3 to 5 mph.
Tonight
Mostly clear, with a low around -19. Wind chill values between -20 and -25. Light south southwest wind.
Saturday
Partly sunny, with a high near 6. Wind chill values between -5 and -15. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around -19. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 5. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -2. South southwest wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 19. West northwest wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 2. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 15. Northwest wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around -1. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 16. West northwest wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 0.
Thursday
Partly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lambert MT
 47.69°N 104.62°W (Elev. 2451 ft)
Last Update:
2:12 am MST Jan 23, 2026
Forecast Valid:
12pm MST Jan 23, 2026-6pm MST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation