Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Jerome County Airport (KJER)

Lat: 42.72736°NLon: 114.45469°WElev: 4022.0ft.

Clear

39°F

4°C

Humidity 64%
Wind Speed SE 5 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 12 Jan 04:35 PM MST
Extended Forecast for

Jerome County Airport ID

Air Stagnation Advisory January 12, 04:52pm until January 19, 05:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 04:52pm until January 19, 05:00am

    NOW until 5:00am Mon

    Air Stagnation Advisory

  • Tonight

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. East wind around 6 mph becoming calm  in the morning.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 27. Calm wind becoming east around 5 mph after midnight.

    Low: 27 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, sunny, with a high near 43. East wind around 6 mph becoming calm  in the afternoon.

    High: 43 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Calm wind becoming east northeast around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 43. East wind around 6 mph becoming calm in the morning.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 27. Calm wind becoming east around 5 mph after midnight.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 43. East wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 26. Calm wind.
Thursday
Sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 44.
Sunday Night
Mostly clear, with a low around 28.
M.L.King Day
Sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Jerome County Airport ID
 42.72°N 114.44°W (Elev. 4085 ft)
2:04 pm MST Jan 12, 2026
4pm MST Jan 12, 2026-6pm MST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database