Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Bozeman, Gallatin Field (KBZN)

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

Partly Cloudy

79°F

26°C

Humidity 34%
Wind Speed SE 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 04:35 PM MDT
Extended Forecast for

4 Miles NNW Bozeman MT

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Widespread haze before 5pm. Areas of smoke after 5pm. Mostly cloudy, with a steady temperature around 78. West southwest wind around 8 mph.  Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 8pm.  Widespread haze before 11pm. Areas of smoke between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. North northwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Widespread haze after 4pm. Mostly sunny, with a high near 87. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Widespread haze before 1am. Mostly clear, with a low around 57. Southeast wind 6 to 8 mph becoming west southwest in the evening.

    Low: 57 °F

    Haze

  • Tuesday

    Tuesday: Sunny, with a high near 94. South southeast wind 5 to 7 mph becoming west in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. West wind 6 to 11 mph becoming east southeast in the evening.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. South wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Widespread haze before 5pm. Areas of smoke after 5pm. Mostly cloudy, with a steady temperature around 78. West southwest wind around 8 mph. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Widespread haze before 11pm. Areas of smoke between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. North northwest wind 6 to 8 mph becoming south southeast after midnight.
Monday
A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Widespread haze after 4pm. Mostly sunny, with a high near 87. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Widespread haze before 1am. Mostly clear, with a low around 57. Southeast wind 6 to 8 mph becoming west southwest in the evening.
Tuesday
Sunny, with a high near 94. South southeast wind 5 to 7 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 58. West wind 6 to 11 mph becoming east southeast in the evening.
Wednesday
Sunny, with a high near 92. South wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A slight chance of showers. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Bozeman MT
 45.73°N 111.06°W (Elev. 4619 ft)
2:23 pm MDT Aug 17, 2025
4pm MDT Aug 17, 2025-6pm MDT Aug 24, 2025
 
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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