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

Canby Airfield (KCNB)

Lat: 44.73°NLon: 96.27°WElev: 1194ft.

Fair

60°F

16°C

Humidity 89%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 Aug 1:55 am CDT
Extended Forecast for

Clear Lake SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 60. South southwest wind around 7 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 81. Light south southwest wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 10%.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 64. South southeast wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 83. South wind 16 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 85. South wind 8 to 10 mph.

    High: 85 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. East southeast wind around 9 mph becoming northeast after midnight.  Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 81. East northeast wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 65. East northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 60. South southwest wind around 7 mph.
Wednesday
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Light south southwest wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 64. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 83. South wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 68. South wind 10 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 85. South wind 8 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind around 9 mph becoming northeast after midnight. Chance of precipitation is 50%.
Saturday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. East northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Clear Lake SD
 44.76°N 96.69°W (Elev. 1795 ft)
1:46 am CDT Aug 13, 2025
2am CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
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Additional Resources

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