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

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

77°F

25°C

Humidity 25%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index77°F (25°C)
Last update 12 Jul 09:00 PM MDT
Extended Forecast for

8 Miles NNE Lambert MT

  • Tonight

    Tonight: Mostly clear, with a low around 58. North northwest wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. West northwest wind 5 to 9 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Northwest wind around 9 mph becoming east southeast after midnight.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 85. North northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northeast wind around 14 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. North wind around 15 mph, with gusts as high as 23 mph.

    High: 66 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 48. Northeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 63. East northeast wind around 10 mph.

    High: 63 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 47. East northeast wind around 8 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. North northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 90. West northwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 60. Northwest wind around 9 mph becoming east southeast after midnight.
Monday
Sunny, with a high near 85. North northeast wind around 11 mph, with gusts as high as 18 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northeast wind around 14 mph, with gusts as high as 21 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. North wind around 15 mph, with gusts as high as 23 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 48. Northeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 63. East northeast wind around 10 mph.
Wednesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 47. East northeast wind around 8 mph.
Thursday
Mostly sunny, with a high near 72. Southeast wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 52. Southeast wind around 10 mph.
Friday
Mostly sunny, with a high near 79.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Lambert MT
 47.78°N 104.57°W (Elev. 2500 ft)
Last Update:
2:10 pm MDT Jul 12, 2025
Forecast Valid:
9pm MDT Jul 12, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation