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

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

61°F

16°C

Humidity 51%
Wind Speed SSW 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Sep 03:20 AM MDT
Extended Forecast for

Boise ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms, mainly between noon and 3pm.  Mostly sunny, with a high near 84. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 84. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. West wind 5 to 9 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.6°N 116.18°W (Elev. 2776 ft)
12:29 am MDT Sep 17, 2026
3am MDT Sep 17, 2026-6pm MDT Sep 23, 2026
 
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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