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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Mostly Cloudy

75°F

24°C

Humidity 30%
Wind Speed WSW 13 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 03:56 PM MDT
Extended Forecast for

2 Miles WSW Sidney MT

  • Tonight

    Tonight: Mostly clear, with a low around 46. Southwest wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 65. West wind 7 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 31 mph.

    High: 65 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. North wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. North northeast wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. North northwest wind around 7 mph becoming southeast after midnight.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55. South wind 7 to 10 mph becoming northwest in the afternoon.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. North wind around 8 mph becoming east after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52. East wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 52 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. East wind around 10 mph.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Southwest wind 8 to 14 mph, with gusts as high as 26 mph.
Saturday
Increasing clouds, with a high near 65. West wind 7 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 28. North wind 6 to 15 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 48. North northeast wind 5 to 8 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 29. North northwest wind around 7 mph becoming southeast after midnight.
Monday
Partly sunny, with a high near 55. South wind 7 to 10 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. North wind around 8 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 52. East wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 34. East wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 66. Southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 23. West northwest wind 14 to 17 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Sidney MT
 47.69°N 104.19°W (Elev. 1985 ft)
Last Update:
1:01 pm MDT Mar 20, 2026
Forecast Valid:
4pm MDT Mar 20, 2026-6pm MDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation