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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Mostly Cloudy

64°F

18°C

Humidity 82%
Wind Speed WNW 21 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 09 Aug 01:05 PM MDT
Extended Forecast for

3 Miles S Sidney MT

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 71. Breezy, with a west wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Areas of smoke after 7pm. Partly cloudy, with a low around 54. West wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 54 °F

    Slight Chance
    Showers then
    Areas Smoke

  • Sunday

    Sunday: Areas of smoke before 2pm. Sunny, with a high near 82. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 82 °F

    Areas Smoke

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. West northwest wind 5 to 9 mph becoming light and variable.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. West northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly clear, with a low around 61. East wind around 8 mph.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 89. East wind 6 to 10 mph.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 71. Breezy, with a west wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Tonight
A 20 percent chance of showers before 9pm. Areas of smoke after 7pm. Partly cloudy, with a low around 54. West wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Sunday
Areas of smoke before 2pm. Sunny, with a high near 82. West wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 58. West northwest wind 5 to 9 mph becoming light and variable.
Monday
Mostly sunny, with a high near 84. West northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 57. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 61. East wind around 8 mph.
Wednesday
Sunny, with a high near 89. East wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 60. East wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 85. Northeast wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 56.
Friday
A slight chance of showers. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Sidney MT
 47.67°N 104.18°W (Elev. 1946 ft)
Last Update:
9:50 am MDT Aug 9, 2025
Forecast Valid:
1pm MDT Aug 9, 2025-6pm MDT Aug 15, 2025
 
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