Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Current conditions at

South Valley Regional Airport (KSVR)

Lat: 40.6196°NLon: 111.99016°WElev: 4596.0ft.

Clear

48°F

9°C

Humidity 46%
Wind Speed NNW 3 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 15 Dec 02:55 PM MST
Extended Forecast for

Riverton UT

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. South wind around 6 mph becoming east in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. South southeast wind 5 to 9 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 56. South wind 10 to 13 mph becoming west southwest in the afternoon.  Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a slight chance of rain and snow.  Mostly cloudy, with a low around 34. West northwest wind 5 to 9 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 2pm, then a chance of rain.  Mostly cloudy, with a high near 51. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 11am.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain.  Cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Light and variable wind.
Tuesday
Mostly sunny, with a high near 54. South wind around 6 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 39. South southeast wind 5 to 9 mph.
Wednesday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 56. South wind 10 to 13 mph becoming west southwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of rain before 11pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. West northwest wind 5 to 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 42.
Friday
A slight chance of rain after 11am. Mostly cloudy, with a high near 58.
Friday Night
A chance of rain. Cloudy, with a low around 43.
Saturday
A chance of rain. Mostly cloudy, with a high near 53.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 41.
Sunday
A chance of rain. Mostly cloudy, with a high near 54.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Monday
A slight chance of rain. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton UT
 40.53°N 111.95°W (Elev. 4544 ft)
2:04 pm MST Dec 15, 2025
3pm MST Dec 15, 2025-6pm MST Dec 22, 2025
 
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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