Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

Boise Air Terminal (KBOI)

Lat: 43.56704°NLon: 116.24053°WElev: 2822.0ft.

Clear

101°F

38°C

Humidity 11%
Wind Speed N 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 12 Aug 04:53 PM MDT
Extended Forecast for

Boise ID

Heat Advisory August 12, 05:12pm until August 12, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 12, 05:12pm until August 12, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • Tonight

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. West northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 92. Calm wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 62. Northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 99. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 65. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny and hot, with a high near 92. Calm wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 62. Northwest wind 5 to 9 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 90.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny and hot, with a high near 90.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Sunny and hot, with a high near 92.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny and hot, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.6°N 116.18°W (Elev. 2776 ft)
3:08 pm MDT Aug 12, 2025
5pm MDT Aug 12, 2025-6pm MDT Aug 19, 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