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

39°F

4°C

Humidity 70%
Wind Speed S 15 G 25 mph
Barometer 30.28 in (1026.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Oct 7:53 am CDT
Extended Forecast for

3 Miles NW Wallace SD

Frost Advisory October 17, 08:29am until October 17, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 17, 08:29am until October 17, 09:00am

    NOW until 9:00am Sat

    Frost Advisory

  • Today

    High: 61 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 44. South wind 13 to 16 mph, with gusts as high as 31 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. South wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.

    High: 64 °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 62. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. East southeast wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Southeast wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South southeast wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 61. Breezy, with a south southwest wind around 21 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 44. South wind 13 to 16 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 64. South wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 41. East northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 62. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 43. East southeast wind around 7 mph.
Tuesday
Sunny, with a high near 65. Southeast wind 8 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. South southeast wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 73.
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 74. Breezy. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Wallace SD
 45.12°N 97.51°W (Elev. 1804 ft)
Last Update:
8:21 am CDT Oct 17, 2026
Forecast Valid:
8am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation