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 27%
Wind Speed W 14 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Mar 04:05 PM MDT
Extended Forecast for

8 Miles SSW Sidney MT

  • Tonight

    Tonight: Clear, with a low around 46. Southwest wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: A 20 percent chance of rain after 5pm.  Increasing clouds, with a high near 66. West southwest wind 7 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 31 mph.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. North wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 49. Light and variable wind becoming northwest 5 to 8 mph in the morning.

    High: 49 °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 57. South wind 7 to 10 mph becoming northwest in the afternoon.

    High: 57 °F

    Partly Sunny

  • Monday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. East wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. East wind around 10 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 46. Southwest wind 8 to 14 mph, with gusts as high as 25 mph.
Saturday
A 20 percent chance of rain after 5pm. Increasing clouds, with a high near 66. West southwest 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 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 49. Light and variable wind becoming northwest 5 to 8 mph in the morning.
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 57. South wind 7 to 10 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. North wind 6 to 8 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 53. East wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 35. East wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 67. Southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 24. West northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Sidney MT
 47.61°N 104.24°W (Elev. 1972 ft)
1:01 pm MDT Mar 20, 2026
4pm MDT Mar 20, 2026-6pm MDT Mar 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database