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

Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

37°F

3°C

Humidity 74%
Wind Speed SSW 11 MPH
Barometer 29.57 in (1001.36 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 08 Mar 01:20 AM MST
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Southwest wind 7 to 15 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 3pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 62. Windy, with a west southwest wind 21 to 26 mph becoming west 27 to 32 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 62 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain before 10pm, then a chance of snow. Cloudy, with a low around 25. Northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 38. West southwest wind 5 to 10 mph becoming northeast in the morning. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. East southeast wind 7 to 9 mph becoming southwest after midnight.

    Low: 21 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West northwest wind 6 to 8 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 19. North northwest wind around 7 mph becoming west southwest in the evening.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. West wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow after 11pm, mixing with rain after 2am. Mostly cloudy, with a low around 27. West wind 8 to 15 mph becoming south in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Southwest wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday
A 20 percent chance of rain after 3pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 62. Windy, with a west southwest wind 21 to 26 mph becoming west 27 to 32 mph in the afternoon. Winds could gust as high as 44 mph.
Sunday Night
A chance of rain before 10pm, then a chance of snow. Cloudy, with a low around 25. Northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 38. West southwest wind 5 to 10 mph becoming northeast in the morning. Little or no snow accumulation expected.
Monday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. East southeast wind 7 to 9 mph becoming southwest after midnight.
Tuesday
Mostly sunny, with a high near 40. West northwest wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 19. North northwest wind around 7 mph becoming west southwest in the evening.
Wednesday
Mostly sunny, with a high near 43. West wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of snow after 11pm, mixing with rain after 2am. Mostly cloudy, with a low around 27. West wind 8 to 15 mph becoming south in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Thursday
A chance of rain and snow before 8am, then a chance of rain. Mostly cloudy, with a high near 52. Windy, with a west northwest wind 17 to 22 mph increasing to 26 to 31 mph in the morning. Winds could gust as high as 46 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 19. Blustery, with a northwest wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 18.
Saturday
A chance of snow. Mostly cloudy, with a high near 35.
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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:
11:41 pm MST Mar 7, 2026
Forecast Valid:
1am MST Mar 8, 2026-6pm MDT Mar 14, 2026
 
Forecast Discussion
 
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