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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Bozeman, Gallatin Field (KBZN)

Lat: 45.78806°NLon: 111.16083°WElev: 4475.0ft.

Clear

61°F

16°C

Humidity 67%
Wind Speed SSE 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Sep 10:00 PM MDT
Extended Forecast for

Bozeman MT

Flash Flood Watch September 18, 06:00pm until September 20, 12:00am
Click here for hazard details and duration
Flash Flood Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 52. East southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 71. Light and variable wind.

    High: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 51. Light east wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Rain before 9am, then showers and possibly a thunderstorm after 9am. High near 59. Light and variable wind. Chance of precipitation is 100%.

    High: 59 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 9pm, then rain likely after 9pm. Mostly cloudy, with a low around 48. Light and variable wind. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Light and variable wind. Chance of precipitation is 30%.

    High: 71 °F

    Chance Rain
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Calm wind becoming southeast around 6 mph in the evening.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Light and variable wind becoming south southeast around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. East southeast wind 5 to 8 mph becoming calm after midnight.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 71. Light and variable wind.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 51. Light east wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Rain before 9am, then showers and possibly a thunderstorm after 9am. High near 59. Light and variable wind. Chance of precipitation is 100%.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then rain likely after 9pm. Mostly cloudy, with a low around 48. Light and variable wind. Chance of precipitation is 70%.
Sunday
A chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Light and variable wind. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 46. Calm wind becoming southeast around 6 mph in the evening.
Monday
Sunny, with a high near 73. Light and variable wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bozeman MT
 45.7°N 111.06°W (Elev. 4695 ft)
Last Update:
8:11 pm MDT Sep 17, 2026
Forecast Valid:
10pm MDT Sep 17, 2026-6pm MDT Sep 24, 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