Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

57°F

14°C

Humidity 35%
Wind Speed NNW 12 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Oct 11:56 AM MDT
Extended Forecast for

8 Miles SSE Sidney MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. Northwest wind 6 to 8 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Light and variable wind becoming east southeast 5 to 9 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. South southeast wind 11 to 20 mph, with gusts as high as 31 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South southeast wind 9 to 17 mph, with gusts as high as 31 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. South southeast wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. North wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. South southeast wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. South wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 62. Northwest wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 36. Light and variable wind becoming east southeast 5 to 9 mph after midnight.
Monday
Sunny, with a high near 66. South southeast wind 11 to 20 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 41. South southeast wind 9 to 17 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 67. South southeast wind 5 to 7 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 38. North wind around 6 mph.
Wednesday
Sunny, with a high near 64. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 42. South southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 75. South wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 48. Southeast wind 6 to 9 mph.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 70. Southeast wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40. Breezy.
Saturday
A chance of rain. Mostly sunny, with a high near 53. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Sidney MT
 47.61°N 104.08°W (Elev. 2247 ft)
5:20 am MDT Oct 18, 2026
12pm MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

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