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

43°F

6°C

Humidity 50%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 18 Oct 07:00 AM MDT
Extended Forecast for

5 Miles SSE Culbertson MT

  • Today

    Today: Mostly sunny, with a high near 61. Northwest wind 5 to 7 mph becoming light and variable  in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. Calm wind becoming east southeast 5 to 9 mph after midnight.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Southeast wind 11 to 20 mph, with gusts as high as 31 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Southeast wind 8 to 16 mph, with gusts as high as 29 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Southeast wind around 6 mph becoming calm.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. North wind 3 to 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 63. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Southeast wind around 8 mph.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 61. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Tonight
Mostly clear, with a low around 35. Calm wind becoming east southeast 5 to 9 mph after midnight.
Monday
Sunny, with a high near 66. Southeast wind 11 to 20 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 40. Southeast wind 8 to 16 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 66. Southeast wind around 6 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 37. North wind 3 to 6 mph.
Wednesday
Sunny, with a high near 63. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 41. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 74. Southeast wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 47. Southeast wind 5 to 7 mph.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 69. East northeast wind 6 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39.
Saturday
A chance of rain. Mostly sunny, with a high near 52. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Culbertson MT
 48.08°N 104.51°W (Elev. 2100 ft)
5:20 am MDT Oct 18, 2026
7am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

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