Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Mostly Cloudy

43°F

6°C

Humidity 42%
Wind Speed N 10 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 18 Apr 08:56 PM MDT
Extended Forecast for

8 Miles SSW Sidney MT

  • Tonight

    Tonight: Mostly clear, with a low around 23. North wind 5 to 9 mph becoming light north northeast  after midnight.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. South southwest wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. North northwest wind 6 to 9 mph becoming southeast after midnight.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Southeast wind 6 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Southwest wind around 9 mph becoming southeast in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 84. East southeast wind 8 to 18 mph, with gusts as high as 25 mph.

    High: 84 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 39. South wind 15 to 18 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 23. North wind 5 to 9 mph becoming light north northeast after midnight.
Sunday
Sunny, with a high near 62. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 38. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 76. South southwest wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 41. North northwest wind 6 to 9 mph becoming southeast after midnight.
Tuesday
Sunny, with a high near 86. Southeast wind 6 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 49. Southwest wind around 9 mph becoming southeast in the evening.
Wednesday
Partly sunny, with a high near 84. East southeast wind 8 to 18 mph, with gusts as high as 25 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39. South wind 15 to 18 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Thursday
Rain showers likely before 3pm, then rain and snow showers likely. Mostly cloudy, with a high near 52. Windy, with a north northwest wind 22 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
Friday
A slight chance of snow showers. Partly sunny, with a high near 44. Breezy.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Sidney MT
 47.61°N 104.24°W (Elev. 1972 ft)
3:51 pm MDT Apr 18, 2026
9pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database