Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

60°F

16°C

Humidity 72%
Wind Speed S 8 mph
Barometer 29.68 in (1004.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Oct 6:53 am CDT
Extended Forecast for

Clark SD

  • Today

    Today: Partly sunny, with a high near 77. South southeast wind 5 to 9 mph becoming north northeast in the morning.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A chance of sprinkles before 11am, then a chance of showers, mainly between 11am and 2pm.  Mostly cloudy, with a high near 66. North northeast wind 10 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy during the early evening, then becoming cloudy, with a low around 43. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Becoming
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. North northwest wind 9 to 11 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. North wind around 7 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 60. Northeast wind 6 to 9 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am.  Partly cloudy, with a low around 42. East wind around 8 mph.  Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 57. East wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 50%.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 77. South southeast wind 5 to 9 mph becoming north northeast in the morning.
Tonight
Mostly cloudy, with a low around 49. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Columbus Day
A chance of sprinkles before 11am, then a chance of showers, mainly between 11am and 2pm. Mostly cloudy, with a high near 66. North northeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy during the early evening, then becoming cloudy, with a low around 43. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 58. North northwest wind 9 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 41. North wind around 7 mph.
Wednesday
Sunny, with a high near 60. Northeast wind 6 to 9 mph.
Wednesday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 42. East wind around 8 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. East wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 51. Breezy.
Friday Night
Areas of frost. Otherwise, mostly clear, with a low around 32.
Saturday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.88°N 97.75°W (Elev. 1808 ft)
7:21 am CDT Oct 11, 2026
7am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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