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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

49°F

9°C

Humidity 59%
Wind Speed S 14 G 23 mph
Barometer 29.99 in (1016.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Oct 12:53 am CDT
Extended Forecast for

6 Miles WNW Watertown Municipal Airport SD

  • Overnight

    Overnight: Mostly clear, with a low around 46. South wind 11 to 13 mph, with gusts as high as 26 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 65. South wind 5 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 65 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Northeast wind 3 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. East northeast wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. South southeast wind 6 to 8 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. South wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Southwest wind 6 to 8 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. East wind 3 to 6 mph.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 46. South wind 11 to 13 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 65. South wind 5 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 43. Northeast wind 3 to 7 mph.
Monday
Sunny, with a high near 61. East northeast wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 44. South southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 65. South wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 69. Southwest wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 48. East wind 3 to 6 mph.
Thursday
Sunny, with a high near 71.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Friday
A slight chance of showers. Partly sunny, with a high near 73. Breezy. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. Breezy. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 67. Breezy. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Watertown Municipal Airport SD
 44.97°N 97.27°W (Elev. 1791 ft)
Last Update:
12:21 am CDT Oct 18, 2026
Forecast Valid:
1am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation