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

Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

63°F

17°C

Humidity 72%
Wind Speed NNW 3 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Jul 03:30 AM MDT
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: Mostly clear, with a low around 60. North wind around 6 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 89. Northeast wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 55. Northeast wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 65. Northeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 50. Northeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 66. East northeast wind around 9 mph.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 47. East wind 5 to 7 mph becoming light and variable after midnight.

    Low: 47 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Partly cloudy, with a low around 54. East southeast wind 6 to 10 mph.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 60. North wind around 6 mph.
Monday
Mostly sunny, with a high near 89. Northeast wind 6 to 14 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 55. Northeast wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 65. Northeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 50. Northeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 66. East northeast wind around 9 mph.
Wednesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 47. East wind 5 to 7 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 73. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 30 percent chance of showers after midnight. Partly cloudy, with a low around 54. East southeast wind 6 to 10 mph.
Friday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 81. Southeast wind 6 to 9 mph becoming west northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 55. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 84.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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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:
2:44 am MDT Jul 14, 2025
Forecast Valid:
3am MDT Jul 14, 2025-6pm MDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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