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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Old Town (ITDA8)

Lat: 48.1711°NLon: 117.0225°WElev: 2321.0ft.

Rain

39°F

4°C

Humidity 99%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility 1.24 mi
Wind Chill36°F (2°C)
Last update 24 Dec 01:15 PM PST
Extended Forecast for

4 Miles NNE Oldtown ID

  • This Afternoon

    This Afternoon: Rain likely, mainly before 4pm. Cloudy, with a high near 35. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 35 °F

    Rain Likely

  • Tonight

    Tonight: A chance of rain before 7pm, then a slight chance of rain and snow after 4am. Snow level 5100 feet lowering to 3400 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 33. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Rain
    then Mostly
    Cloudy

  • Christmas Day

    Christmas Day: A slight chance of rain and snow before 10am, then rain. Snow level 3300 feet rising to 5300 feet in the afternoon. High near 38. Light and variable wind becoming north around 5 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    Likely then
    Rain

  • Thursday Night

    Thursday Night: Rain before 1am, then rain and snow likely. Snow level 4900 feet lowering to 3900 feet after midnight . Low around 33. South wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain and snow likely before 10am, then snow. High near 36. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow
    then Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 21. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow Likely

  • Saturday

    Saturday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly before 4pm. Cloudy, with a high near 35. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain before 7pm, then a slight chance of rain and snow after 4am. Snow level 5100 feet lowering to 3400 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 33. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. Little or no snow accumulation expected.
Christmas Day
A slight chance of rain and snow before 10am, then rain. Snow level 3300 feet rising to 5300 feet in the afternoon. High near 38. Light and variable wind becoming north around 5 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain before 1am, then rain and snow likely. Snow level 4900 feet lowering to 3900 feet after midnight . Low around 33. South wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain and snow likely before 10am, then snow. High near 36. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 21. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
Sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Oldtown ID
 48.24°N 117.01°W (Elev. 3133 ft)
Last Update:
1:13 pm PST Dec 24, 2025
Forecast Valid:
1pm PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation