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

55°F

13°C

Humidity 40%
Wind Speed S 25 G 35 mph
Barometer 30.18 in (1023.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 17 Oct 11:53 am CDT
Extended Forecast for

5 Miles NE Henry SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. Breezy, with a south southwest wind 22 to 25 mph, with gusts as high as 33 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 46. South wind 14 to 17 mph, with gusts as high as 32 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. South wind 5 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Northeast wind 3 to 5 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. East southeast wind 7 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. East southeast wind 6 to 8 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. South wind 8 to 15 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 7 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

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

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Breezy, with a south southwest wind 22 to 25 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 46. South wind 14 to 17 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 66. 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 5 mph.
Monday
Sunny, with a high near 61. East southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 44. East southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 66. South wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 69. South wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 48.
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%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Henry SD
 44.93°N 97.42°W (Elev. 1755 ft)
Last Update:
12:21 pm CDT Oct 17, 2026
Forecast Valid:
12pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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