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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

26°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 30.05 in (1019.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 13 Feb 12:53 am CST
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Overnight

    Overnight: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. South wind around 6 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. Light and variable wind becoming west 5 to 9 mph in the morning.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West northwest wind around 6 mph becoming light and variable.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 56. South wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. South wind 6 to 9 mph becoming north northwest after midnight.

    Low: 32 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 52. North wind 6 to 10 mph becoming east in the afternoon.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. East wind 8 to 10 mph.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. Calm wind.
Friday
Sunny, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 30. South wind around 6 mph.
Saturday
Sunny, with a high near 53. Light and variable wind becoming west 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 29. West northwest wind around 6 mph becoming light and variable.
Sunday
Partly sunny, with a high near 56. South wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 32. South wind 6 to 9 mph becoming north northwest after midnight.
Washington's Birthday
Sunny, with a high near 52. North wind 6 to 10 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 36. East wind 8 to 10 mph.
Tuesday
A chance of rain after noon. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 20%.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
Last Update:
12:31 am CST Feb 13, 2026
Forecast Valid:
1am CST Feb 13, 2026-6pm CST Feb 19, 2026
 
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Additional Resources

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Chance of Precipitation