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

Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Sidney-Richland (KSDY)

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

light snow,mist

30°F

-1°C

Humidity 92%
Wind Speed S 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 28°F (-2°C)
Visibility 5.00 mi
Wind Chill22°F (-6°C)
Last update 11 Mar 01:00 AM MDT
Extended Forecast for

Sidney MT

High Wind Warning March 12, 05:00am until March 12, 09:00pm
Click here for hazard details and duration
High Wind Warning

  • Overnight

    Overnight: A 30 percent chance of snow showers, mainly before 3am. Cloudy early, then gradual clearing, with a low around 21. Southwest wind 5 to 8 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Increasing clouds, with a high near 44. West wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 44 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow after midnight. Increasing clouds, with a low around 26. South southwest wind 8 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: Snow before 9am, then rain between 9am and noon, then rain and snow likely after noon. High near 45. Very windy, with a south southwest wind 17 to 27 mph becoming west 30 to 40 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow and
    Very Windy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 15. Windy, with a north northwest wind 21 to 31 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 37 mph.

    Low: 15 °F

    Slight Chance
    Snow and
    Windy

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. East wind 5 to 9 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. Northeast wind around 8 mph. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 28. East northeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 8. North wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 8 °F

    Snow Likely

Detailed Forecast

Overnight
A 30 percent chance of snow showers, mainly before 3am. Cloudy early, then gradual clearing, with a low around 21. Southwest wind 5 to 8 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Increasing clouds, with a high near 44. West wind 9 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
A 50 percent chance of snow after midnight. Increasing clouds, with a low around 26. South southwest wind 8 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow before 9am, then rain between 9am and noon, then rain and snow likely after noon. High near 45. Very windy, with a south southwest wind 17 to 27 mph becoming west 30 to 40 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15. Windy, with a north northwest wind 21 to 31 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 37 mph.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. East wind 5 to 9 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. Northeast wind around 8 mph. New snow accumulation of less than one inch possible.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 28. East northeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 8. North wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 25. West northwest wind 7 to 9 mph.
Sunday Night
Partly cloudy, with a low around 8. West southwest wind 5 to 8 mph.
Monday
A slight chance of snow. Mostly cloudy, with a high near 33.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.71°N 104.19°W (Elev. 1998 ft)
Last Update:
8:56 pm MDT Mar 10, 2026
Forecast Valid:
1am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
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