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

Huron, Huron Regional Airport (KHON)

Lat: 44.39°NLon: 98.23°WElev: 1286ft.

Fair

65°F

18°C

Humidity 78%
Wind Speed SE 3 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Aug 9:55 pm CDT
Extended Forecast for

12 Miles S Saint Lawrence SD

  • Tonight

    Tonight: Mostly clear, with a low around 60. South southeast wind 6 to 9 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm.  Mostly sunny, with a high near 86. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 3am.  Mostly cloudy, with a low around 64. South southeast wind 16 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 89. South southeast wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers, with thunderstorms also possible after 10pm.  Mostly clear, with a low around 67. Southeast wind around 10 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 86. East wind 10 to 14 mph.

    High: 86 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 65. East wind 10 to 14 mph.  Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 83. East wind 10 to 13 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 66. East northeast wind 10 to 13 mph.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 60. South southeast wind 6 to 9 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 86. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 64. South southeast wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 89. South southeast wind 13 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A slight chance of showers, with thunderstorms also possible after 10pm. Mostly clear, with a low around 67. Southeast wind around 10 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 86. East wind 10 to 14 mph.
Friday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. East wind 10 to 14 mph. Chance of precipitation is 40%.
Saturday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. East wind 10 to 13 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. East northeast wind 10 to 13 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Saint Lawrence SD
 44.34°N 98.99°W (Elev. 1900 ft)
9:46 pm CDT Aug 12, 2025
10pm CDT Aug 12, 2025-6pm CDT Aug 19, 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