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.

Clear

39°F

4°C

Humidity 86%
Wind Speed SSW 9 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 20 Mar 07:30 AM MDT
Extended Forecast for

8 Miles SSW Sidney MT

  • Today

    Today: Mostly sunny, with a high near 71. West wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Southwest wind 9 to 13 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 67. Southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 30. North wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50. North wind 6 to 9 mph becoming west northwest in the afternoon.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Northwest wind around 7 mph becoming southeast after midnight.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. South wind 7 to 11 mph becoming northwest in the afternoon.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. North northwest wind 6 to 8 mph becoming east after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. East wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 71. West wind 9 to 15 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 46. Southwest wind 9 to 13 mph.
Saturday
Partly sunny, with a high near 67. Southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 30. North wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 50. North wind 6 to 9 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 30. Northwest wind around 7 mph becoming southeast after midnight.
Monday
Partly sunny, with a high near 57. South wind 7 to 11 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. North northwest wind 6 to 8 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 55. East wind 7 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 37. Southeast wind around 10 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 67. Southwest wind 11 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Sidney MT
 47.61°N 104.24°W (Elev. 1972 ft)
Last Update:
5:01 am MDT Mar 20, 2026
Forecast Valid:
7am MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation