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.

Overcast

55°F

13°C

Humidity 93%
Wind Speed S 6 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Sep 03:50 AM MDT
Extended Forecast for

Bozeman MT

Flood Watch September 19, 04:15am until September 19, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 19, 04:15am until September 19, 06:00pm

    NOW until 6:00pm Sat

    Flood Watch

  • Overnight

    Low: 50 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Patchy fog before noon. High near 58. Calm wind becoming northwest around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Rain likely, mainly before 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 44. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely
    then Chance
    Rain and
    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of rain before 7am. Areas of fog before noon. Otherwise, partly sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Slight Chance
    Rain and
    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Calm wind becoming southeast around 6 mph in the evening.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Southeast wind around 5 mph becoming light and variable.

    High: 73 °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: Sunny, with a high near 75. Light and variable wind becoming south southeast around 5 mph.

    High: 75 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 50. Calm wind. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. Patchy fog before noon. High near 58. Calm wind becoming northwest around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely, mainly before 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 44. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
A 20 percent chance of rain before 7am. Areas of 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 southeast around 6 mph in the evening.
Monday
Sunny, with a high near 73. 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
Sunny, with a high near 75. Light and variable wind becoming south southeast around 5 mph.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bozeman MT
 45.68°N 111.05°W (Elev. 4774 ft)
Last Update:
12:31 am MDT Sep 19, 2026
Forecast Valid:
4am MDT Sep 19, 2026-6pm MDT Sep 25, 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