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

Ririe (ITD18)

Lat: 43.6111°NLon: 111.70531°WElev: 5106.0ft.

NA

50°F

10°C

Humidity 51%
Wind Speed SSE 11 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility 1.24 mi
Wind Chill46°F (8°C)
Last update 24 Dec 10:30 AM MST
Extended Forecast for

11 Miles S Irwin ID

  • Today

    Today: A slight chance of snow before 1pm, then rain, possibly mixed with snow. High near 36. South southeast wind 17 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 36 °F

    Partly Sunny
    then
    Rain/Snow

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all snow after 4am. Snow level 9300 feet lowering to 8700 feet after midnight . Steady temperature around 35. Breezy, with a south wind 25 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 35 °F

    Rain/Snow and
    Breezy

  • Christmas Day

    Christmas Day: Snow before 2pm, then snow showers after 2pm. Some thunder is also possible. Temperature falling to around 30 by 4pm. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F⇓

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow. Low around 28. Breezy, with a south wind 20 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow and
    Breezy

  • Friday

    Friday: Snow. High near 31. Breezy, with a south southwest wind 22 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 22. Breezy. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of snow before 1pm, then rain, possibly mixed with snow. High near 36. South southeast wind 17 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain, possibly mixed with snow, becoming all snow after 4am. Snow level 9300 feet lowering to 8700 feet after midnight . Steady temperature around 35. Breezy, with a south wind 25 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Christmas Day
Snow before 2pm, then snow showers after 2pm. Some thunder is also possible. Temperature falling to around 30 by 4pm. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow. Low around 28. Breezy, with a south wind 20 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 31. Breezy, with a south southwest wind 22 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 22. Breezy. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Irwin ID
 43.24°N 111.28°W (Elev. 8734 ft)
Last Update:
10:31 am MST Dec 24, 2025
Forecast Valid:
10am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation