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Pacific Storm Moves Inland; Clipper System for the Northeast; Strong Storm Impacting Alaska

A Pacific system will bring low elevation rain and isolated thunderstorms to California tonight. Heavy snow is expected for the Sierra Nevada through late tomorrow. In the Northeast, snow may cause hazardous travel this evening into tomorrow. In Alaska, a powerful storm will bring dangerous seas, blizzard conditions, strong winds and bitterly cold across the state through mid-week. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

22°F

-6°C

Humidity 96%
Wind Speed Calm
Barometer 30.21 in (1025.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 11 Feb 12:53 am CST
Extended Forecast for

4 Miles ESE Castlewood SD

  • Overnight

    Overnight: Mostly clear, with a low around 23. Calm wind becoming south around 6 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48. Southwest wind 6 to 10 mph.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. South southeast wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. South southwest wind 5 to 8 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. South southwest wind 3 to 5 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. Southwest wind 5 to 9 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. South southwest wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 54. West wind 6 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. West wind around 7 mph.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Calm wind becoming south around 6 mph.
Wednesday
Sunny, with a high near 48. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 29. South southeast wind around 6 mph.
Thursday
Sunny, with a high near 49. South southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 25. South southwest wind 3 to 5 mph.
Friday
Sunny, with a high near 51. Southwest wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 31. South southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 54. West wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 31. West wind around 7 mph.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 37.
Washington's Birthday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 55. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
Last Update:
1:31 am CST Feb 11, 2026
Forecast Valid:
1am CST Feb 11, 2026-6pm CST Feb 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation