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.

Overcast

45°F

7°C

Humidity 75%
Wind Speed N 16 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 21 Mar 02:05 PM MDT
Extended Forecast for

2 Miles WSW Sidney MT

  • This Afternoon

    This Afternoon: A 50 percent chance of rain, mainly after 4pm.  Cloudy, with a high near 58. North northwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 58 °F

    Chance Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 7pm.  Mostly cloudy, with a low around 28. North wind 8 to 13 mph becoming light north northeast  after midnight. Winds could gust as high as 23 mph.

    Low: 28 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of snow before 10am, then a chance of rain and snow between 10am and 11am.  Cloudy through mid morning, then gradual clearing, with a high near 48. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. North northwest wind 5 to 8 mph becoming south southeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 56. South wind 6 to 8 mph becoming north northwest in the afternoon.

    High: 56 °F

    Partly Sunny

  • Monday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 54. East southeast wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 54 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a slight chance of rain and snow.  Mostly cloudy, with a low around 35. East wind 9 to 11 mph.  Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. South southwest wind 9 to 14 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 63 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain, mainly after 4pm. Cloudy, with a high near 58. North northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Tonight
A 40 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 28. North wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 23 mph.
Sunday
A slight chance of snow before 10am, then a chance of rain and snow between 10am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 48. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Mostly clear, with a low around 27. North northwest wind 5 to 8 mph becoming south southeast after midnight.
Monday
Partly sunny, with a high near 56. South wind 6 to 8 mph becoming north northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. North northeast wind around 8 mph becoming east after midnight.
Tuesday
Cloudy, with a high near 54. East southeast wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 35. East wind 9 to 11 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 63. South southwest wind 9 to 14 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 22. West northwest wind 11 to 16 mph becoming north after midnight. Winds could gust as high as 24 mph.
Thursday
Mostly sunny, with a high near 43. North wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Sidney MT
 47.69°N 104.19°W (Elev. 1985 ft)
12:45 pm MDT Mar 21, 2026
2pm MDT Mar 21, 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