Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

A Few Clouds

33°F

1°C

Humidity 85%
Wind Speed SE 10 mph
Barometer 29.92 in (1014.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 9 Feb 1:53 am CST
Extended Forecast for

Watertown SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Southeast wind around 7 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of sprinkles after 5pm.  Mostly cloudy, with a high near 46. Light and variable wind becoming north 6 to 11 mph in the morning.

    High: 46 °F

    Chance
    Sprinkles

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West northwest wind around 10 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 40. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. Light south southeast wind becoming south 5 to 9 mph in the morning.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am.  Cloudy, with a low around 29. Southeast wind 8 to 10 mph.  Chance of precipitation is 40%.

    Low: 29 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow, mainly before noon.  Mostly cloudy, with a high near 42. Southeast wind 8 to 10 mph.  Chance of precipitation is 30%.

    High: 42 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. East southeast wind around 7 mph.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Southeast wind around 7 mph.
Monday
A chance of sprinkles after 5pm. Mostly cloudy, with a high near 46. Light and variable wind becoming north 6 to 11 mph in the morning.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West northwest wind around 10 mph.
Tuesday
Sunny, with a high near 40. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 23. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 44. Light south southeast wind becoming south 5 to 9 mph in the morning.
Wednesday Night
A slight chance of rain before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Cloudy, with a low around 29. Southeast wind 8 to 10 mph. Chance of precipitation is 40%.
Thursday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 42. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 26. East southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
2:26 am CST Feb 9, 2026
2am CST Feb 9, 2026-6pm CST Feb 15, 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