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

Pacific Storm System Moves Inland; Strong Storm in Alaska

A Pacific storm system will bring low elevation/valley rain and mountain snow as it moves inland to the central Great Basin through the central Rockies through Thursday. Scattered thunderstorms are likely from California into the Great Basin. A large low pressure system continues to bring snow, blizzard conditions, damaging winds, and mixed precipitation along the Bering Sea and Southwest Alaska. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

50°F

10°C

Humidity 41%
Wind Speed SW 8 mph
Barometer 30.13 in (1022.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 11 Feb 2:53 pm CST
Extended Forecast for

Watertown SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. South wind 3 to 5 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. South southeast wind 3 to 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48. South southeast wind around 6 mph becoming southwest in the afternoon.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. Southwest wind 3 to 6 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. Southwest wind 5 to 9 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. South southwest wind around 7 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. West northwest wind 6 to 10 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West wind 5 to 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 54. South southwest wind 6 to 10 mph.

    High: 54 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. South wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 29. South southeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 48. South southeast wind around 6 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 26. Southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 52. Southwest wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 31. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 53. West northwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 30. West wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 54. South southwest wind 6 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 34.
Washington's Birthday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
2:36 pm CST Feb 11, 2026
Forecast Valid:
3pm CST Feb 11, 2026-6pm CST Feb 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation