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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Mostly Cloudy

51°F

11°C

Humidity 31%
Wind Speed NW 12 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 09 Apr 04:56 PM MDT
Extended Forecast for

Sidney MT

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Light south wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 37. Southeast wind 14 to 16 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 76. South southeast wind 8 to 14 mph.

    High: 76 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 47. Southeast wind around 7 mph becoming west after midnight. Chance of precipitation is 40%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Partly sunny, with a high near 66. West wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 39. North wind 7 to 11 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely. Mostly cloudy, with a high near 54. East northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35. East northeast wind 6 to 10 mph.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 62. Light south wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
Increasing clouds, with a low around 37. Southeast wind 14 to 16 mph, with gusts as high as 23 mph.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 76. South southeast wind 8 to 14 mph.
Saturday Night
A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 47. Southeast wind around 7 mph becoming west after midnight. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 66. West wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 39. North wind 7 to 11 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.
Monday
Showers likely. Mostly cloudy, with a high near 54. East northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35. East northeast wind 6 to 10 mph.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 56. East wind 6 to 9 mph becoming south southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33.
Thursday
A slight chance of rain and snow showers. Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.71°N 104.19°W (Elev. 1998 ft)
Last Update:
3:16 pm MDT Apr 9, 2026
Forecast Valid:
5pm MDT Apr 9, 2026-6pm MDT Apr 16, 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