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

3 Miles NNW Watertown Municipal Airport SD

  • Today

    Today: Sunny, with a high near 61. Breezy, with a south southwest wind around 22 mph, with gusts as high as 34 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 45. Breezy, with a south wind 16 to 20 mph, with gusts as high as 33 mph.

    Low: 45 °F

    Clear and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. East northeast wind 3 to 6 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. East southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. South southeast wind around 8 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. South wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. South wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South wind around 10 mph.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Breezy, with a south southwest wind around 22 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 45. Breezy, with a south wind 16 to 20 mph, with gusts as high as 33 mph.
Sunday
Sunny, with a high near 65. South wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 41. East northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 63. East southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 44. South southeast wind around 8 mph.
Tuesday
Sunny, with a high near 66. South wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 50. South wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 72. South wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 74.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 20%.
Friday
A chance of showers. Partly sunny, with a high near 75. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Watertown Municipal Airport SD
 44.95°N 97.21°W (Elev. 1680 ft)
Last Update:
9:21 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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