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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Rain

46°F

8°C

Humidity 100%
Wind Speed N 12 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 11 Oct 12:35 AM MDT
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: A 50 percent chance of rain, mainly before 2am. Cloudy, with a low around 38. North wind around 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 8am. Patchy fog after 9am. High near 49. Northeast wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    High: 49 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain. Patchy fog. Low around 32. Northeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    Low: 32 °F

    Rain and
    Patchy Fog

  • Columbus Day

    Columbus Day: Rain, mainly before 2pm. Patchy fog before 7am. High near 45. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.

    High: 45 °F

    Rain and
    Patchy Fog
    then Rain
    Likely

  • Monday Night

    Monday Night: Cloudy, with a low around 31. North northwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. Calm wind becoming west around 5 mph in the afternoon.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. Calm wind becoming south around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. Light and variable wind becoming south around 6 mph in the evening.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of rain, mainly before 2am. Cloudy, with a low around 38. North wind around 11 mph, with gusts as high as 21 mph.
Sunday
Rain, mainly after 8am. Patchy fog after 9am. High near 49. Northeast wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Sunday Night
Rain. Patchy fog. Low around 32. Northeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Columbus Day
Rain, mainly before 2pm. Patchy fog before 7am. High near 45. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.
Monday Night
Cloudy, with a low around 31. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 54. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 30. Calm wind.
Wednesday
Sunny, with a high near 60. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 35. Light and variable wind becoming south around 6 mph in the evening.
Thursday
Mostly sunny, with a high near 58. West northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.
Thursday Night
Partly cloudy, with a low around 29. Northwest wind 7 to 17 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.72°N 104.16°W (Elev. 1962 ft)
Last Update:
12:35 am MDT Oct 11, 2026
Forecast Valid:
12am MDT Oct 11, 2026-6pm MDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation