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

45°F

7°C

Humidity 70%
Wind Speed SE 8 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Dec 09:30 AM MST
Extended Forecast for

5 Miles SE Meridian 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 58. Southeast wind around 5 mph becoming light and variable in the morning.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. South southeast wind around 5 mph becoming calm in the morning.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. South southwest wind 3 to 5 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 58. Southeast wind around 5 mph becoming light and variable in the morning.
Tonight
Mostly clear, with a low around 36. Calm wind becoming south southeast around 5 mph after midnight.
Friday
Sunny, with a high near 56. South southeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 31. Light and variable wind.
Saturday
Sunny, with a high near 53. South southwest wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 32.
Monday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 53.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 56.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 53. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Meridian ID
 43.56°N 116.35°W (Elev. 2700 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