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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

63°F

17°C

Humidity 68%
Wind Speed SE 13 mph
Barometer 29.60 in (1001.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 8:53 am CDT
Extended Forecast for

Clark SD

  • Today

    Today: Patchy blowing dust. Sunny, with a high near 86. Breezy, with a south wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 86 °F

    Patchy
    Blowing Dust
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 76. South southeast wind 10 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46. North wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A chance of showers. Mostly cloudy, with a high near 59. North wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. North northwest wind 9 to 11 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. North wind 8 to 10 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. East northeast wind 6 to 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly sunny, with a high near 60. East wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy blowing dust. Sunny, with a high near 86. Breezy, with a south wind 20 to 24 mph, with gusts as high as 37 mph.
Tonight
Mostly clear, with a low around 62. South wind 11 to 14 mph, with gusts as high as 26 mph.
Sunday
Increasing clouds, with a high near 76. South southeast wind 10 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 46. North wind 13 to 15 mph, with gusts as high as 25 mph.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 59. North wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 41. North northwest wind 9 to 11 mph.
Tuesday
Partly sunny, with a high near 58. North wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 43. East northeast wind 6 to 9 mph.
Wednesday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 60. East wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 53. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.88°N 97.75°W (Elev. 1808 ft)
Last Update:
8:21 am CDT Oct 10, 2026
Forecast Valid:
8am CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation