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

Super Typhoon Bavi to Impact Guam and the Mariana Islands; Excessive Rainfall and Flooding Threat in the Mid-Atlantic

Catastrophic Super Typhoon Bavi's eyewall has reached Rota and is expected to bring dangerous winds, heavy rainfall and storm surge to Guam, Rota, Tinian and Saipan. A Typhoon Warning remains in effect. Heavy to excessive rainfall will continue to bring a flooding threat from coastal Mid-Atlantic to southern New England through Monday. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

66°F

19°C

Humidity 93%
Wind Speed NW 4 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 06 Jul 03:35 AM MDT
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. North wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. North wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 58. Northeast wind 6 to 10 mph.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. High near 75. East wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. East northeast wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. East wind 5 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. East northeast wind 6 to 9 mph becoming south southeast after midnight.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. South southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 56. West northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. North wind 7 to 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 82. North wind 7 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 58. Northeast wind 6 to 10 mph.
Tuesday
Showers and thunderstorms, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. High near 75. East wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. East northeast wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 79. East wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 56. East northeast wind 6 to 9 mph becoming south southeast after midnight.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. South southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 56. West northwest wind 5 to 10 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 89. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 62. East wind 6 to 10 mph.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.72°N 104.16°W (Elev. 1962 ft)
Last Update:
1:01 am MDT Jul 6, 2026
Forecast Valid:
3am MDT Jul 6, 2026-6pm MDT Jul 12, 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