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

Spring Severe Thunderstorms, Excessive Rainfall, and Heavy Snow Today

Scattered severe thunderstorms are expected this afternoon and evening from eastern Texas into the lower Mississippi and Tennessee Valleys/southern Appalachians. Heavy to excessive rainfall may produce flash flooding from the lower Mississippi River Valley into the southern Appalachians today. A late-season snowstorm will continue heavy snow over parts of the central Rockies through today. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

39°F

4°C

Humidity 42%
Wind Speed S 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 06 May 08:56 AM MDT
Extended Forecast for

Sidney MT

  • Today

    Today: Sunny, with a high near 57. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 28. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 28 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 67. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 3 to 7 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 75. West northwest wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. West northwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. North wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. North northwest wind 11 to 16 mph becoming light north after midnight. Winds could gust as high as 25 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 57. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 28. West northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 67. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 75. West northwest wind 6 to 15 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 42. West northwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Saturday
Partly sunny, with a high near 63. North wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 34. North northwest wind 11 to 16 mph becoming light north after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 39. North northwest wind around 6 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 81. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.72°N 104.16°W (Elev. 1962 ft)
Last Update:
5:11 am MDT May 6, 2026
Forecast Valid:
9am MDT May 6, 2026-6pm MDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

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