Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Ririe (ITD18)

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

NA

38°F

3°C

Humidity 65%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Wind Chill34°F (1°C)
Last update 14 Jan 04:15 PM MST
Extended Forecast for

Swan Valley ID

  • Tonight

    Tonight: Patchy dense freezing fog after 8pm. Mostly clear, with a low around 13. Calm wind becoming east around 5 mph in the evening.

    Low: 13 °F

    Patchy Dense
    Freezing Fog

  • Thursday

    Thursday: Patchy dense freezing fog before 1pm. Sunny, with a high near 34. East wind around 5 mph becoming calm  in the morning.

    High: 34 °F

    Patchy Dense
    Freezing Fog

  • Thursday Night

    Thursday Night: Patchy dense freezing fog. Mostly clear, with a low around 13. Light and variable wind.

    Low: 13 °F

    Patchy Dense
    Freezing Fog

  • Friday

    Friday: Patchy dense freezing fog before noon. Sunny, with a high near 34. East northeast wind around 5 mph becoming light and variable  in the morning.

    High: 34 °F

    Patchy Dense
    Freezing Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 9. Light and variable wind.

    Low: 9 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 17.

    Low: 17 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy dense freezing fog after 8pm. Mostly clear, with a low around 13. Calm wind becoming east around 5 mph in the evening.
Thursday
Patchy dense freezing fog before 1pm. Sunny, with a high near 34. East wind around 5 mph becoming calm in the morning.
Thursday Night
Patchy dense freezing fog. Mostly clear, with a low around 13. Light and variable wind.
Friday
Patchy dense freezing fog before noon. Sunny, with a high near 34. East northeast wind around 5 mph becoming light and variable in the morning.
Friday Night
Mostly clear, with a low around 9. Light and variable wind.
Saturday
Sunny, with a high near 39.
Saturday Night
Clear, with a low around 17.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 15.
M.L.King Day
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
4:31 pm MST Jan 14, 2026
4pm MST Jan 14, 2026-6pm MST Jan 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database