Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

South Valley Regional Airport (KSVR)

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

Overcast

55°F

13°C

Humidity 50%
Wind Speed S 16 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 15 Oct 04:15 PM MDT
Extended Forecast for

2 Miles N Cottonwood Heights UT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a steady temperature around 56. South wind around 6 mph.

    High: 56 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Rain showers likely before 3am, then rain likely, possibly mixed with snow showers. Some thunder is also possible.  Mostly cloudy, with a low around 40. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 40 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 53. Light and variable wind.  Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 56. South wind around 6 mph.
Tonight
Rain showers likely before 3am, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a low around 40. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 53. Light and variable wind. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 39. Calm wind.
Friday
Sunny, with a high near 59. Light and variable wind.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 72.
Sunday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 45.
Monday
A chance of showers. Partly sunny, with a high near 60.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Cottonwood Heights UT
 40.67°N 111.83°W (Elev. 4436 ft)
3:05 pm MDT Oct 15, 2025
4pm MDT Oct 15, 2025-6pm MDT Oct 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