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

Mountain Home Air Force Base (KMUO)

Lat: 43.05° N Lon: 115.86667° W Elev: 2995.0 ft.

Partly Cloudy

45°F

7°C

Humidity 76%
Wind Speed NE 8 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 08 Dec 10:55 PM MST
Detailed forecast for

Upper Treasure Valley

Tonight
Rain likely. Patchy fog. Chance of rain 60 percent. Lows 38 to 44. East winds up to 10 mph.
Tuesday
Rain likely. Patchy fog in the morning. Areas of fog in the afternoon. Chance of rain 60 percent. Highs 51 to 56. Southeast winds up to 10 mph in the morning, shifting to north in the afternoon. Gusts to 25 mph.
Tuesday Night
Rain likely, mainly in the evening. Areas of fog in the evening, then patchy fog after midnight. Chance of rain 60 percent. Lows 38 to 45. Southeast winds up to 10 mph.
Wednesday
Partly cloudy. A slight chance of rain in the morning. Chance of rain 20 percent. Highs 59 to 64. Northwest winds 10 to 15 mph.
Wednesday Night
Partly cloudy. Lows 34 to 42. Northwest winds around 10 mph in the evening, shifting to southeast after midnight.
Thursday And Thursday Night
Partly cloudy. Patchy fog in the morning. Patchy fog after midnight. Highs 57 to 63. Lows 33 to 40.
Friday
Areas of fog in the morning. Mostly sunny. Highs 55 to 60.
Friday Night And Saturday
Partly cloudy. Patchy fog through the day. Lows 30 to 37. Highs 53 to 58.
Saturday Night And Sunday
Partly cloudy. Lows 31 to 37. Highs 51 to 56.
Sunday Night
Mostly cloudy. Lows 30 to 37.
Monday
Partly cloudy. A chance of rain, mainly in the afternoon. Chance of rain 30 percent. Highs 51 to 56.



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208 PM MST Mon Dec 8 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database