Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

25°F

-4°C

Humidity 96%
Wind Speed Calm
Barometer 29.93 in (1015.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 15 Feb 2:53 am CST
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Overnight

    Overnight: Mostly clear, with a low around 29. South southwest wind around 7 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. South southwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. South wind 6 to 8 mph becoming north northwest after midnight.

    Low: 30 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 51. North wind 6 to 10 mph becoming east in the afternoon.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. East southeast wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain after noon.  Mostly cloudy, with a high near 53. Breezy, with an east southeast wind 14 to 22 mph, with gusts as high as 36 mph.  Chance of precipitation is 40%.

    High: 53 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Mostly cloudy, with a low around 32. East southeast wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow.  Partly sunny, with a high near 40. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 50%.

    High: 40 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow before midnight.  Mostly cloudy, with a low around 18. Northwest wind 15 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 29. South southwest wind around 7 mph.
Sunday
Mostly sunny, with a high near 57. South southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 30. South wind 6 to 8 mph becoming north northwest after midnight.
Washington's Birthday
Sunny, with a high near 51. North wind 6 to 10 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 35. East southeast wind 9 to 13 mph, with gusts as high as 23 mph.
Tuesday
A chance of rain after noon. Mostly cloudy, with a high near 53. Breezy, with an east southeast wind 14 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 32. East southeast wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 40. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Wednesday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 18. Northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday
A chance of snow, mainly after noon. Partly sunny, with a high near 28. Blustery. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Friday
A slight chance of snow. Partly sunny, with a high near 22. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 7.
Saturday
Mostly sunny, with a high near 23.
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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)
2:36 am CST Feb 15, 2026
3am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database