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 Thursday 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.

Overcast

28°F

-2°C

Humidity 68%
Wind Speed WSW 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 09 Apr 02:20 AM MDT
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 51. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 51 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Light south southeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. South southeast wind around 11 mph, with gusts as high as 18 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 45. Southeast wind 6 to 8 mph becoming west southwest after midnight.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Partly sunny, with a high near 64. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 36. North wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 51. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 25. West northwest wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 62. Light south southeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 38. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 76. South southeast wind around 11 mph, with gusts as high as 18 mph.
Saturday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 45. Southeast wind 6 to 8 mph becoming west southwest after midnight.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 64. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 36. North wind 9 to 13 mph, with gusts as high as 20 mph.
Monday
Showers likely. Cloudy, with a high near 47. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. Northeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 63.
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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:
1:51 am MDT Apr 9, 2026
Forecast Valid:
2am MDT Apr 9, 2026-6pm MDT Apr 15, 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