Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

48°F

9°C

Humidity 90%
Wind Speed WNW 8 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 19 Jun 05:15 AM MDT
Extended Forecast for

8 Miles NNE Lambert MT

  • Juneteenth

    Juneteenth: Sunny, with a high near 69. Northwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North northwest wind 5 to 9 mph becoming east southeast after midnight.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. East southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am.  Mostly cloudy, with a low around 52. East southeast wind 15 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 50%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 3pm.  High near 68. South southeast wind 14 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 47. South southeast wind 8 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 66. West wind 10 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 45. West northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 69. Northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 45. North northwest wind 5 to 9 mph becoming east southeast after midnight.
Saturday
Mostly sunny, with a high near 76. East southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 52. East southeast wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Sunday
Showers, with thunderstorms also possible after 3pm. High near 68. South southeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47. South southeast wind 8 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Monday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 66. West wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. West northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 68. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 45. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
Partly sunny, with a high near 74. Light and variable wind becoming east northeast 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Lambert MT
 47.78°N 104.57°W (Elev. 2500 ft)
4:36 am MDT Jun 19, 2026
5am MDT Jun 19, 2026-6pm MDT Jun 25, 2026
 
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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