Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

Lat: 47.91973°NLon: 104.32619°WElev: 2480.0ft.

NA

72°F

22°C

Humidity 52%
Wind Speed N 7 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 06 Jul 11:31 AM MDT
Extended Forecast for

13 Miles NW Sidney MT

  • Today

    Today: Mostly sunny, with a high near 79. North wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers, mainly after 3am.  Mostly cloudy, with a low around 57. North northeast wind 8 to 10 mph becoming east after midnight.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm.  High near 72. East wind 10 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 54. East northeast wind 8 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. East wind around 9 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 55. East wind 8 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 83. South southeast wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. East northeast wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. North wind 11 to 15 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 57. North northeast wind 8 to 10 mph becoming east after midnight.
Tuesday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 72. East wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 54. East northeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 76. East wind around 9 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 55. East wind 8 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 83. South southeast wind 9 to 11 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. Partly cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 86. East northeast wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 61. South wind around 10 mph becoming east southeast in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 95. South southeast wind 8 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NW Sidney MT
 47.85°N 104.36°W (Elev. 2395 ft)
4:06 am MDT Jul 6, 2026
11am MDT Jul 6, 2026-6pm MDT Jul 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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