Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

63°F

17°C

Humidity 32%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 07 Oct 12:00 PM MDT
Extended Forecast for

Culbertson MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. North northwest wind 7 to 9 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Cloudy, then becoming partly cloudy toward daybreak, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Light and variable wind becoming south southeast 5 to 7 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. South southeast wind 3 to 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. West wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 35. North wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain and snow before 9am, then a chance of rain.  Mostly cloudy, with a high near 49. North northeast wind around 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    High: 49 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. North northwest wind 7 to 9 mph.
Tonight
Cloudy, then becoming partly cloudy toward daybreak, with a low around 40. Light and variable wind.
Thursday
Mostly sunny, with a high near 72. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 43. Calm wind.
Friday
Mostly sunny, with a high near 80. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 46. South southeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 68. West wind 6 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. North wind 15 to 17 mph, with gusts as high as 26 mph.
Sunday
A chance of rain and snow before 9am, then a chance of rain. Mostly cloudy, with a high near 49. North northeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Sunday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 31. North northeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Columbus Day
A chance of rain and snow. Partly sunny, with a high near 47. Northeast wind around 7 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
3:41 am MDT Oct 7, 2026
12pm MDT Oct 7, 2026-6pm MDT Oct 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database