Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Overcast

45°F

7°C

Humidity 65%
Wind Speed NNW 19 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 16 Apr 04:05 PM MDT
Extended Forecast for

8 Miles SSW Sidney MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 5pm.  Mostly cloudy, with a high near 49. Northwest wind around 18 mph, with gusts as high as 29 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm.  Mostly cloudy, with a low around 21. North northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39. Breezy, with a northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 39 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 51. West wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. North northwest wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. Light east southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Southeast wind around 9 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 49. Northwest wind around 18 mph, with gusts as high as 29 mph.
Tonight
A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 21. North northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Friday
Partly sunny, with a high near 39. Breezy, with a northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Mostly clear, with a low around 19. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Mostly sunny, with a high near 51. West wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 24. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 64. Light east southeast wind becoming south southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 40. Southeast wind around 9 mph.
Monday
Sunny, with a high near 76. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 38. North northwest wind 5 to 10 mph becoming east after midnight.
Tuesday
Sunny, with a high near 79. East southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Thursday
A chance of showers. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Sidney MT
 47.61°N 104.24°W (Elev. 1972 ft)
3:40 pm MDT Apr 16, 2026
4pm MDT Apr 16, 2026-6pm MDT Apr 23, 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