Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

54°F

12°C

Humidity 40%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Oct 12:30 PM MDT
Extended Forecast for

6 Miles NNW Lambert MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 60. Northwest wind 3 to 7 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Light and variable wind becoming southeast 10 to 15 mph in the evening. Winds could gust as high as 29 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Breezy, with a south southeast wind 16 to 23 mph, with gusts as high as 40 mph.

    High: 64 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. South southeast wind 7 to 15 mph, with gusts as high as 29 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. North wind 3 to 7 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. South southeast wind around 11 mph, with gusts as high as 22 mph.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 60. Northwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 37. Light and variable wind becoming southeast 10 to 15 mph in the evening. Winds could gust as high as 29 mph.
Monday
Sunny, with a high near 64. Breezy, with a south southeast wind 16 to 23 mph, with gusts as high as 40 mph.
Monday Night
Mostly clear, with a low around 38. South southeast wind 7 to 15 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 63. Calm wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 35. North wind 3 to 7 mph.
Wednesday
Sunny, with a high near 61. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 43. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 72. South southeast wind around 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 50. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 66. Southeast wind 7 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Rain likely. Mostly cloudy, with a low around 39. Breezy.
Saturday
A slight chance of rain. Mostly sunny, with a high near 48. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Lambert MT
 47.75°N 104.69°W (Elev. 2539 ft)
12:00 pm MDT Oct 18, 2026
12pm MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database