Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Pocatello, Pocatello Regional Airport (KPIH)

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

Clear

28°F

-2°C

Humidity 86%
Wind Speed SW 10 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Jan 07:20 PM MST
Extended Forecast for

American Falls ID

Air Stagnation Advisory January 18, 07:40pm until January 20, 12:00pm
Dense Fog Advisory until January 19, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 18, 07:40pm until January 20, 12:00pm
    Dense Fog Advisory until January 19, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 25 °F

    Patchy Dense
    Freezing Fog

  • M.L.King Day

    M.L.King Day: Patchy dense freezing fog before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 36. West southwest wind around 5 mph becoming calm  in the morning.

    High: 36 °F

    Patchy Dense
    Freezing Fog

  • Monday Night

    Monday Night: Patchy dense freezing fog after 8pm. Increasing clouds, with a low around 27. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 27 °F

    Patchy Dense
    Freezing Fog

  • Tuesday

    Tuesday: Patchy dense freezing fog before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 36. West southwest wind around 9 mph.

    High: 36 °F

    Patchy Dense
    Freezing Fog

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. South wind around 7 mph.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Tonight
Patchy dense freezing fog. Increasing clouds, with a low around 25. Calm wind becoming southwest around 5 mph after midnight.
M.L.King Day
Patchy dense freezing fog before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 36. West southwest wind around 5 mph becoming calm in the morning.
Monday Night
Patchy dense freezing fog after 8pm. Increasing clouds, with a low around 27. Calm wind becoming south 5 to 8 mph in the evening.
Tuesday
Patchy dense freezing fog before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 36. West southwest wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 24. South wind around 7 mph.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 40.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
American Falls ID
 42.77°N 112.87°W (Elev. 4308 ft)
6:21 pm MST Jan 18, 2026
7pm MST Jan 18, 2026-6pm MST Jan 25, 2026
 
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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