National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Thunderstorms in the Lower Ohio Valley and Southeast; Flooding Continues Along the East Coast of Florida

An approaching cold front may produce isolated heavy rainfall and severe weather today over portions of the Lower Ohio Valley and Southeast. While the heavy rainfall is ending across east Florida, significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

57°F

14°C

Humidity 47%
Wind Speed NNW 10 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 04 Nov 01:35 PM MST
Extended Forecast for

Sidney MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. Northwest wind 6 to 8 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 24. Light and variable wind.

    Low: 24 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before noon. Otherwise, partly sunny, with a high near 51. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 51 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Southwest wind 3 to 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55. West southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. South southwest wind 5 to 9 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. West wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind around 5 mph becoming light and variable.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 53. Northwest wind 6 to 8 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 24. Light and variable wind.
Thursday
Patchy fog before noon. Otherwise, partly sunny, with a high near 51. Calm wind becoming south southeast 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 27. Southwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 55. West southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 32. South southwest wind 5 to 9 mph.
Saturday
Mostly sunny, with a high near 59. West wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 29. West wind around 5 mph becoming light and variable.
Sunday
Mostly sunny, with a high near 63. South wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 38. West wind around 8 mph.
Monday
Mostly sunny, with a high near 57. West northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.71°N 104.19°W (Elev. 1998 ft)
Last Update:
11:45 am MST Nov 4, 2026
Forecast Valid:
1pm MST Nov 4, 2026-6pm MST Nov 10, 2026
 
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