National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

unknown precip

49°F

9°C

Humidity 64%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 20 Mar 03:30 AM MDT
Extended Forecast for

Culbertson MT

  • Overnight

    Overnight: Partly cloudy, with a low around 44. West wind around 11 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68. West wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. West wind 10 to 14 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 62. West wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 62 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 29. North wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46. North wind 5 to 7 mph becoming west in the afternoon.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Northwest wind around 6 mph becoming southeast after midnight.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54. South wind 6 to 11 mph becoming northwest in the afternoon.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. North wind 6 to 9 mph becoming east after midnight.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. West wind around 11 mph.
Friday
Mostly sunny, with a high near 68. West wind 9 to 14 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 47. West wind 10 to 14 mph.
Saturday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 62. West wind 11 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 29. North wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 46. North wind 5 to 7 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 30. Northwest wind around 6 mph becoming southeast after midnight.
Monday
Partly sunny, with a high near 54. South wind 6 to 11 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. North wind 6 to 9 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 51. East southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 38. East southeast wind around 10 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of rain and snow. Mostly sunny, with a high near 63.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 26.
Thursday
A slight chance of snow. Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
Last Update:
12:41 am MDT Mar 20, 2026
Forecast Valid:
3am MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation