Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

14°F

-10°C

Humidity 85%
Wind Speed W 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 18 Apr 03:35 AM MDT
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: Mostly clear, with a low around 20. West wind around 8 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 50. West northwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 50 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 24. Northwest wind 13 to 18 mph becoming light and variable  after midnight. Winds could gust as high as 28 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Light east northeast wind becoming southeast 5 to 10 mph in the morning.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. North northwest wind 6 to 10 mph becoming east southeast after midnight.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Southeast wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Southwest wind 7 to 10 mph becoming southeast in the evening.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 20. West wind around 8 mph.
Saturday
Increasing clouds, with a high near 50. West northwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 24. Northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 60. Light east northeast wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 37. Southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 73. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 39. North northwest wind 6 to 10 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 83. Southeast wind 7 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 47. Southwest wind 7 to 10 mph becoming southeast in the evening.
Wednesday
Partly sunny, with a high near 82. East southeast wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43. South southeast wind 14 to 16 mph becoming north northwest after midnight. Winds could gust as high as 24 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 54. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Blustery.
Friday
A slight chance of rain and snow showers. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.71°N 104.19°W (Elev. 1998 ft)
12:55 am MDT Apr 18, 2026
3am MDT Apr 18, 2026-6pm MDT Apr 24, 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