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

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 >

Hazardous Weather Conditions

Current conditions at

Sunburst I-15 MP 389 (MTSUN)

Lat: 48.88015°NLon: 111.89871°WElev: 3307.0ft.

unknown precip

N/A

Humidity NA
Wind Speed NA 11 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Sunburst MT

Winter Weather Advisory October 10, 06:00pm until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 42. North northwest wind around 17 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain before 9am, then a slight chance of rain and snow between 9am and 10am, then a chance of snow after 10am. Cloudy, with a temperature falling to around 33 by 5pm. Breezy, with a north wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 37 °F⇓

    Chance
    Rain/Snow
    then Chance
    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow, mainly after 9pm. Patchy blowing snow after midnight. Low around 27. Blustery, with a north wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 27 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow, mainly before 5pm. Patchy blowing snow before noon. High near 34. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow. Low around 24. North northeast wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow

  • Columbus Day

    Columbus Day: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 42. Light and variable wind becoming south 5 to 9 mph in the afternoon. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. South wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. South southwest wind 5 to 7 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 42. North northwest wind around 17 mph, with gusts as high as 24 mph.
Saturday
A slight chance of rain before 9am, then a slight chance of rain and snow between 9am and 10am, then a chance of snow after 10am. Cloudy, with a temperature falling to around 33 by 5pm. Breezy, with a north wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Snow, mainly after 9pm. Patchy blowing snow after midnight. Low around 27. Blustery, with a north wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Sunday
Snow, mainly before 5pm. Patchy blowing snow before noon. High near 34. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. Low around 24. North northeast wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Columbus Day
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 42. Light and variable wind becoming south 5 to 9 mph in the afternoon. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 24. South wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 52. South southwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 57.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunburst MT
 48.87°N 111.91°W (Elev. 3399 ft)
Last Update:
3:47 am MDT Oct 10, 2026
Forecast Valid:
5am MDT Oct 10, 2026-6pm MDT Oct 16, 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