Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

unknown precip

44°F

7°C

Humidity 94%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 11 Oct 01:30 AM MDT
Extended Forecast for

Culbertson MT

  • Overnight

    Overnight: A 40 percent chance of rain.  Cloudy, with a low around 36. North northeast wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Chance Rain

  • Sunday

    Sunday: Rain.  Patchy fog after 11am. High near 47. Northeast wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%.

    High: 47 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain, mainly after 10pm.  Patchy fog. Low around 30. Northeast wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%.

    Low: 30 °F

    Rain and
    Patchy Fog

  • Columbus Day

    Columbus Day: Rain and snow, becoming all rain after noon.  Patchy fog before 7am. High near 44. North wind 7 to 10 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow and
    Patchy Fog
    then Rain
    Likely

  • Monday Night

    Monday Night: Cloudy, with a low around 30. North wind around 5 mph becoming calm  in the evening.

    Low: 30 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Light and variable wind becoming south southeast around 6 mph in the evening.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of rain. Cloudy, with a low around 36. North northeast wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday
Rain. Patchy fog after 11am. High near 47. Northeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Sunday Night
Rain, mainly after 10pm. Patchy fog. Low around 30. Northeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Columbus Day
Rain and snow, becoming all rain after noon. Patchy fog before 7am. High near 44. North wind 7 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday Night
Cloudy, with a low around 30. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 54. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 29. Calm wind.
Wednesday
Sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 33. Light and variable wind becoming south southeast around 6 mph in the evening.
Thursday
Mostly sunny, with a high near 58. Breezy, with a northwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.
Thursday Night
Partly cloudy, with a low around 28. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
12:35 am MDT Oct 11, 2026
1am MDT Oct 11, 2026-6pm MDT Oct 17, 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