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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Idaho Falls Regional Airport (KIDA)

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

Overcast

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 30°F (-1°C)
Visibility 7.00 mi
Last update 12 Feb 01:30 AM MST
Extended Forecast for

Atomic City ID

Dense Fog Advisory February 12, 02:00am until February 12, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory

  • Overnight

    Overnight: Patchy dense fog after 2am. Otherwise, mostly cloudy, with a steady temperature around 30. North northwest wind around 5 mph.

    Low: 30 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 39. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 39 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. Southwest wind around 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 40. Southwest wind 5 to 7 mph.

    High: 40 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Patchy dense fog between 3am and 5am. Otherwise, mostly cloudy, with a low around 23. South wind 5 to 9 mph.

    Low: 23 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Saturday

    Saturday: Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 48.

    High: 48 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Saturday Night

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

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Patchy dense fog after 2am. Otherwise, mostly cloudy, with a steady temperature around 30. North northwest wind around 5 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 39. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 25. Southwest wind around 6 mph.
Friday
Mostly cloudy, with a high near 40. Southwest wind 5 to 7 mph.
Friday Night
Patchy dense fog between 3am and 5am. Otherwise, mostly cloudy, with a low around 23. South wind 5 to 9 mph.
Saturday
Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Mostly cloudy, with a high near 50.
Sunday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 25.
Washington's Birthday
A slight chance of snow before 11am, then a chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atomic City ID
 43.45°N 112.81°W (Elev. 4997 ft)
Last Update:
1:25 am MST Feb 12, 2026
Forecast Valid:
1am MST Feb 12, 2026-6pm MST Feb 18, 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