Heavy Rainfall for Portions of the West and Southern Plains; Dangerous Heat for the Northwest

A front will bring chances for showers and thunderstorms over the Central Rockies and Southern Plains. Heavy rains are also possible in southern Arizona. A dangerous heat wave continues across the Pacific Northwest. Hot, dry conditions and lightning may cause new fire starts across the Cascades. Conversely, a cold front will bring unseasonably cool temperatures to much of the lower 48. Read More >

Hazardous Weather Conditions

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

72°F

22°C

Humidity 43%
Wind Speed SSE 9 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 Aug 07:05 AM MDT
Extended Forecast for

Boise ID

  • Today

    Today: Mostly cloudy, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.

    High: 89 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight.  Patchy smoke between 9pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 67 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 66. West southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 80. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers.  Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly before midnight. Patchy smoke between 9pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 80. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 81.
Thursday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny and hot, with a high near 90.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.6°N 116.18°W (Elev. 2776 ft)
3:04 am MDT Aug 25, 2025
7am MDT Aug 25, 2025-6pm MDT Aug 31, 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