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

Excessive Rainfall in the Southern Plains, Ozarks, and Upper Midwest Thursday

Heavy thunderstorms will continue areas of excessive rainfall and locally considerable flooding over parts of the southern Plains into the mid-Mississippi River Valley through Friday. Heavy to excessive rainfall may bring flash and urban flooding, along with isolated riverine flooding to a part of the Upper Midwest Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Sidney-Richland (KSDY)

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

haze

57°F

14°C

Humidity 62%
Wind Speed NNE 8 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 44°F (7°C)
Visibility 5.00 mi
Last update 12 Jun 02:35 AM MDT
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: A 40 percent chance of showers, mainly after 5am. Areas of smoke. Cloudy, with a low around 54. East northeast wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers. The rain could be heavy at times. Areas of smoke before 9am. High near 64. East wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    High: 64 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 50. East wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. East southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 78. Southeast wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East southeast wind 5 to 9 mph.

    Low: 56 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Southeast wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North northeast wind 5 to 9 mph becoming west northwest after midnight. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly after 5am. Areas of smoke. Cloudy, with a low around 54. East northeast wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday
Showers. The rain could be heavy at times. Areas of smoke before 9am. High near 64. East wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 50. East wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. East southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 78. Southeast wind 8 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East southeast wind 5 to 9 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Southeast wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North northeast wind 5 to 9 mph becoming west northwest after midnight. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 77. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 6 to 10 mph becoming south southeast after midnight.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Wednesday
A chance of showers. Sunny, with a high near 79.
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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:
2:31 pm MDT Jun 11, 2025
Forecast Valid:
2am MDT Jun 12, 2025-6pm MDT Jun 18, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation