Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Mountain Home Air Force Base (KMUO)

Lat: 43.05°NLon: 115.86667°WElev: 2995.0ft.

Overcast

38°F

3°C

Humidity 89%
Wind Speed ENE 3 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 36°F (2°C)
Visibility 9.00 mi
Last update 08 Dec 09:55 AM MST
Extended Forecast for

9 Miles ENE Mountain Home ID

  • Today

    Today: Mostly sunny, with a high near 45. Calm wind becoming southwest around 5 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of rain.  Mostly cloudy, with a low around 42. Calm wind becoming north around 6 mph after midnight.

    Low: 42 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Cloudy, with a high near 46. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 44. West northwest wind 7 to 9 mph.  Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 52. West northwest wind 9 to 16 mph.  Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 45. Calm wind becoming southwest around 5 mph.
Tonight
A 50 percent chance of rain. Mostly cloudy, with a low around 42. Calm wind becoming north around 6 mph after midnight.
Tuesday
Rain likely. Cloudy, with a high near 46. Northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. West northwest wind 7 to 9 mph. Chance of precipitation is 60%.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 52. West northwest wind 9 to 16 mph. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Mountain Home ID
 43.21°N 115.53°W (Elev. 4997 ft)
2:04 am MST Dec 8, 2025
11am MST Dec 8, 2025-6pm MST Dec 14, 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