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

Areas of Severe Thunderstorms and Excessive Rainfall Thursday

Severe thunderstorms posing a risk for strong gusts and/or large hail are possible across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic Thursday afternoon and evening. Excessive rainfall may bring flash and urban flooding over the Mid-Mississippi and Ohio Valleys, and Mid-Atlantic on Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Sidney-Richland (KSDY)

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

Clear

71°F

22°C

Humidity 73%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 08 Jul 08:56 PM MDT
Extended Forecast for

Sidney MT

Extreme Heat Watch July 11, 06:00am until July 13, 06:00am
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 58. East northeast wind 5 to 7 mph becoming south after midnight.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. South wind 5 to 8 mph becoming west in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. West northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 93. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. East southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 99. South wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Southwest wind 7 to 11 mph becoming east southeast in the evening. Winds could gust as high as 20 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Southeast wind 13 to 18 mph, with gusts as high as 31 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. East northeast wind 5 to 7 mph becoming south after midnight.
Thursday
Sunny, with a high near 89. South wind 5 to 8 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. West northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 93. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 65. East southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 99. South wind 6 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 67. Southwest wind 7 to 11 mph becoming east southeast in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny and hot, with a high near 103. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 71. Southeast wind 13 to 18 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 93. Southeast wind 10 to 16 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 65. North northeast wind 8 to 15 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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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:
4:06 pm MDT Jul 8, 2026
Forecast Valid:
9pm MDT Jul 8, 2026-6pm MDT Jul 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation