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

Idaho Falls Regional Airport (KIDA)

Lat: 43.52083°NLon: 112.06611°WElev: 4741.0ft.

Clear

36°F

2°C

Humidity 93%
Wind Speed N 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 23 Dec 09:20 PM MST
Extended Forecast for

Idaho Falls ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. East wind 6 to 8 mph becoming south after midnight.

    Low: 38 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Rain, mainly after 1pm. High near 55. South southeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 55 °F

    Mostly Sunny
    then Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 42. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    Low: 42 °F

    Rain

  • Christmas Day

    Christmas Day: Rain. High near 54. South southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 37. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain before 8am, then rain and snow. High near 46. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 27. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. East wind 6 to 8 mph becoming south after midnight.
Wednesday
Rain, mainly after 1pm. High near 55. South southeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Wednesday Night
Rain. Low around 42. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Christmas Day
Rain. High near 54. South southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 37. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Friday
Rain before 8am, then rain and snow. High near 46. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 27. Little or no snow accumulation expected.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Idaho Falls ID
 43.48°N 112.04°W (Elev. 4701 ft)
Last Update:
9:09 pm MST Dec 23, 2025
Forecast Valid:
9pm MST Dec 23, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation