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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Pocatello, Pocatello Regional Airport (KPIH)

Lat: 42.92028°NLon: 112.57111°WElev: 4449.0ft.

Clear

61°F

16°C

Humidity 19%
Wind Speed S 8 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 21 Apr 11:20 PM MDT
Extended Forecast for

American Falls ID

Wind Advisory April 22, 12:00pm until April 23, 12:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A 40 percent chance of rain after 3am. Partly cloudy, with a low around 42. Southwest wind 17 to 20 mph, with gusts as high as 29 mph.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. High near 49. Breezy, with a southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%.

    High: 49 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Breezy. Rain
    Likely then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow likely, becoming all rain after 9am. Mostly cloudy, with a high near 51. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 51 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before midnight, then a slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 32. Breezy, with a west wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Rain
    and Breezy
    then Slight
    Chance
    Rain/Snow

  • Friday

    Friday: A chance of snow before 9am, then a chance of rain and snow. Partly sunny, with a high near 51. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: A slight chance of snow before noon, then a slight chance of rain. Mostly sunny, with a high near 55. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain after 3am. Partly cloudy, with a low around 42. Southwest wind 17 to 20 mph, with gusts as high as 29 mph.
Wednesday
Rain and possibly a thunderstorm before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. High near 49. Breezy, with a southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%.
Wednesday Night
Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Rain and snow likely, becoming all rain after 9am. Mostly cloudy, with a high near 51. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain before midnight, then a slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 32. Breezy, with a west wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of snow before 9am, then a chance of rain and snow. Partly sunny, with a high near 51. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 30. Breezy.
Saturday
A slight chance of snow before noon, then a slight chance of rain. Mostly sunny, with a high near 55. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A slight chance of rain and snow before 9am, then a chance of rain. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 36.
Monday
A 30 percent chance of rain. Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
American Falls ID
 42.77°N 112.87°W (Elev. 4308 ft)
Last Update:
5:31 pm MDT Apr 21, 2026
Forecast Valid:
11pm MDT Apr 21, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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