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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Bozeman, Gallatin Field (KBZN)

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

Clear

57°F

14°C

Humidity 71%
Wind Speed NE 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Sep 09:00 AM 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

  • Today

    Today: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 71. Light and variable wind. Chance of precipitation is 70%.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Patchy fog after midnight. Low around 48. Calm wind becoming north northeast around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Patchy fog before noon. High near 57. Light northwest wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 45. Light west wind. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers before noon. Patchy fog before noon. Otherwise, partly sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Calm wind becoming south southeast 5 to 7 mph in the evening.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. South southeast wind around 5 mph becoming light and variable.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Calm wind becoming southeast 5 to 8 mph in the evening.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 71. Light and variable wind. Chance of precipitation is 70%.
Tonight
Showers and possibly a thunderstorm. Patchy fog after midnight. Low around 48. Calm wind becoming north northeast around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. Patchy fog before noon. High near 57. Light northwest wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 45. Light west wind. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers before noon. Patchy fog before noon. Otherwise, partly sunny, with a high near 65. Light and variable wind.
Sunday Night
Mostly clear, with a low around 44. Calm wind becoming south southeast 5 to 7 mph in the evening.
Monday
Sunny, with a high near 72. South southeast wind around 5 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 47. Calm wind becoming southeast 5 to 8 mph in the evening.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bozeman MT
 45.66°N 111.05°W (Elev. 4905 ft)
Last Update:
8:26 am MDT Sep 18, 2026
Forecast Valid:
9am MDT Sep 18, 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