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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Old Town (ITDA8)

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

NA

35°F

2°C

Humidity 100%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility 1.24 mi
Last update 24 Dec 03:30 AM PST
Extended Forecast for

Oldtown ID

  • Overnight

    Overnight: Rain likely. Cloudy, with a low around 34. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly before 4pm. High near 39. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 7pm, then a slight chance of rain after 4am. Patchy freezing fog after 4am. Snow level 4400 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain
    and Patchy
    Freezing Fog

  • Christmas Day

    Christmas Day: Rain, mainly after 10am. Patchy fog before 10am. Patchy freezing fog before 8am. Snow level 3900 feet rising to 5300 feet in the afternoon. High near 42. Light east wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain and
    Patchy
    Freezing Fog

  • Thursday Night

    Thursday Night: Rain. Snow level 5200 feet lowering to 4100 feet after midnight . Low around 35. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain

  • Friday

    Friday: Rain before 1pm, then rain and snow. Snow level 2900 feet. High near 40. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Rain then
    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 34. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 4pm. High near 39. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 7pm, then a slight chance of rain after 4am. Patchy freezing fog after 4am. Snow level 4400 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Rain, mainly after 10am. Patchy fog before 10am. Patchy freezing fog before 8am. Snow level 3900 feet rising to 5300 feet in the afternoon. High near 42. Light east wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Snow level 5200 feet lowering to 4100 feet after midnight . Low around 35. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain before 1pm, then rain and snow. Snow level 2900 feet. High near 40. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly cloudy, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oldtown ID
 48.19°N 117.03°W (Elev. 2090 ft)
Last Update:
2:47 am PST Dec 24, 2025
Forecast Valid:
3am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation