National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boise Air Terminal (KBOI)

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

Overcast

27°F

-3°C

Humidity 92%
Wind Speed S 3 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 25°F (-4°C)
Visibility 8.00 mi
Last update 20 Jan 03:05 AM MST
Extended Forecast for

Boise ID

Air Stagnation Advisory January 20, 03:21am until January 22, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 03:21am until January 22, 11:00am

    NOW until 11:00am Thu

    Air Stagnation Advisory

  • Overnight

    Low: 23 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 31. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 31 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: Areas of fog. Otherwise, mostly cloudy, with a low around 22. Light and variable wind.

    Low: 22 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 31. Calm wind.

    High: 31 °F

    Areas Fog

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 23. Light and variable wind.

    Low: 23 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog between 2pm and 5pm. Otherwise, mostly cloudy, with a high near 28.

    High: 28 °F

    Areas Fog

  • Thursday Night

    Thursday Night: Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 23.

    Low: 23 °F

    Areas Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 30.

    High: 30 °F

    Areas Fog
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 23. Calm wind.
Tuesday
Cloudy, with a high near 31. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 22. Light and variable wind.
Wednesday
Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 31. Calm wind.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 23. Light and variable wind.
Thursday
Areas of fog between 2pm and 5pm. Otherwise, mostly cloudy, with a high near 28.
Thursday Night
Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 23.
Friday
Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 30.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly cloudy, with a high near 31.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.62°N 116.22°W (Elev. 2710 ft)
Last Update:
2:06 am MST Jan 20, 2026
Forecast Valid:
3am MST Jan 20, 2026-6pm MST Jan 26, 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