National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair and Breezy

47°F

8°C

Humidity 54%
Wind Speed S 21 G 30 mph
Barometer 30.24 in (1025.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 17 Oct 9:53 am CDT
Extended Forecast for

7 Miles SW Watertown SD

  • Today

    Today: Sunny, with a high near 61. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 34 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 44. Breezy, with a south wind 15 to 21 mph, with gusts as high as 34 mph.

    Low: 44 °F

    Clear and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. South southwest wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Light and variable wind becoming east northeast around 5 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Southeast wind around 8 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. South southeast wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South southeast wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 44. Breezy, with a south wind 15 to 21 mph, with gusts as high as 34 mph.
Sunday
Sunny, with a high near 65. South southwest wind 5 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 40. Light and variable wind becoming east northeast around 5 mph after midnight.
Monday
Sunny, with a high near 63. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 43. Southeast wind around 8 mph.
Tuesday
Sunny, with a high near 66. South southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. South southeast wind 9 to 13 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 73. South wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 75.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Friday
A chance of showers. Partly sunny, with a high near 76. Breezy. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Watertown SD
 44.84°N 97.26°W (Elev. 1699 ft)
Last Update:
10:16 am CDT Oct 17, 2026
Forecast Valid:
10am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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