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

Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

41°F

5°C

Humidity 75%
Wind Speed ESE 12 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 11 Dec 08:35 AM MST
Extended Forecast for

7 Miles E Boise ID

Air Stagnation Advisory December 12, 05:00am until December 15, 05:00am
Click here for hazard details and duration
Air Stagnation Advisory

  • Today

    Today: Sunny, with a high near 45. West northwest wind 6 to 10 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. North northwest wind 6 to 8 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 44. North wind 5 to 7 mph.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. North wind 5 to 9 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. North northeast wind 3 to 8 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain and snow after 11am. Partly sunny, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 45. West northwest wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 36. North northwest wind 6 to 8 mph.
Friday
Sunny, with a high near 44. North wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 33. North wind 5 to 9 mph.
Saturday
Sunny, with a high near 44. North northeast wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 33.
Monday
A slight chance of rain and snow after 11am. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Monday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 43.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Wednesday
Snow likely. Partly sunny, with a high near 38. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Boise ID
 43.61°N 116.06°W (Elev. 5633 ft)
Last Update:
2:04 am MST Dec 11, 2025
Forecast Valid:
9am MST Dec 11, 2025-6pm MST Dec 17, 2025
 
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