Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Current conditions at

DUCHESNE (KU69)

Lat: 40.1919°NLon: 110.38099°WElev: 5826.0ft.

Clear

77°F

25°C

Humidity 19%
Wind Speed WNW 8 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 12 Aug 10:30 PM MDT
Extended Forecast for

Altamont UT

  • Tonight

    Tonight: Patchy smoke before 3am. Mostly clear, with a low around 54. Northeast wind 6 to 9 mph becoming north northwest after midnight.

    Low: 54 °F

    Patchy Smoke

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 3pm.  Sunny, with a high near 89. North northwest wind 5 to 8 mph becoming south southeast in the afternoon.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Patchy smoke between 9pm and 3am. Mostly clear, with a low around 55. North northwest wind 7 to 9 mph.

    Low: 55 °F

    Patchy Smoke

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86. North northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. West wind 6 to 9 mph becoming north northwest in the evening.  Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke before 3am. Mostly clear, with a low around 54. Northeast wind 6 to 9 mph becoming north northwest after midnight.
Wednesday
A 10 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 89. North northwest wind 5 to 8 mph becoming south southeast in the afternoon.
Wednesday Night
Patchy smoke between 9pm and 3am. Mostly clear, with a low around 55. North northwest wind 7 to 9 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. North northwest wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. West wind 6 to 9 mph becoming north northwest in the evening. Chance of precipitation is 40%.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 51.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 52.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Altamont UT
 40.37°N 110.3°W (Elev. 6404 ft)
3:05 pm MDT Aug 12, 2025
11pm MDT Aug 12, 2025-6pm MDT Aug 19, 2025
 
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