Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

Rain

46°F

8°C

Humidity 87%
Wind Speed ESE 12 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 08 Dec 11:35 PM MST
Extended Forecast for

Boise ID

  • Tonight

    Tonight: Rain likely.  Cloudy, with a low around 46. East wind around 5 mph.  Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely.  Cloudy, with a high near 53. East wind around 5 mph becoming calm  in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 46. Light east southeast wind.  Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before 11am.  Partly sunny, with a high near 61. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. North wind around 5 mph becoming light and variable  after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely. Cloudy, with a low around 46. East wind around 5 mph. Chance of precipitation is 70%.
Tuesday
Rain likely. Cloudy, with a high near 53. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 46. Light east southeast wind. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain before 11am. Partly sunny, with a high near 61. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 42. North wind around 5 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.62°N 116.22°W (Elev. 2710 ft)
2:05 pm MST Dec 8, 2025
11pm MST Dec 8, 2025-6pm MST Dec 15, 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