Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Partly Cloudy

35°F

2°C

Humidity 81%
Wind Speed NNW 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 31 Jan 10:56 PM MST
Extended Forecast for

Lambert MT

  • Tonight

    Tonight: Increasing clouds, with a low around 25. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Patchy freezing fog between 9am and 11am. Mostly cloudy, with a high near 33. West northwest wind 5 to 8 mph becoming calm.

    High: 33 °F

    Patchy
    Freezing Fog
    then Cloudy

  • Sunday Night

    Sunday Night: Patchy freezing fog before 7pm. Cloudy, with a low around 23. East southeast wind 5 to 8 mph.

    Low: 23 °F

    Patchy
    Freezing Fog
    then Mostly
    Cloudy

  • Monday

    Monday: A 40 percent chance of snow.  Partly sunny, with a high near 36. Light and variable wind becoming northwest 6 to 11 mph in the morning.  Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. Light west wind becoming west northwest 5 to 10 mph in the morning.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West northwest wind 3 to 8 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Light west southwest wind becoming southwest 5 to 10 mph in the afternoon.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. West wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 25. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday
Patchy freezing fog between 9am and 11am. Mostly cloudy, with a high near 33. West northwest wind 5 to 8 mph becoming calm.
Sunday Night
Patchy freezing fog before 7pm. Cloudy, with a low around 23. East southeast wind 5 to 8 mph.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 36. Light and variable wind becoming northwest 6 to 11 mph in the morning. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 21. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 39. Light west wind becoming west northwest 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 22. West northwest wind 3 to 8 mph.
Wednesday
Partly sunny, with a high near 46. Light west southwest wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 32. West wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 49. West wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 23. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 38.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lambert MT
 47.69°N 104.62°W (Elev. 2451 ft)
9:14 pm MST Jan 31, 2026
11pm MST Jan 31, 2026-6pm MST Feb 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database