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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

51°F

11°C

Humidity 61%
Wind Speed N 10 mph
Barometer 29.62 in (1003.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Nov 11:53 pm CST
Extended Forecast for

Watertown SD

  • Overnight

    Overnight: A chance of rain between 3am and 5am. Mostly cloudy, with a low around 41. Northwest wind 13 to 16 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. North northwest wind 3 to 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. North wind 5 to 8 mph becoming southeast in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. East southeast wind 8 to 11 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain after noon. Mostly cloudy, with a high near 41. East wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: A chance of rain and snow, mainly before midnight. Cloudy, with a low around 27. East wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39. Southeast wind around 9 mph.

    High: 39 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. South wind around 9 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain between 3am and 5am. Mostly cloudy, with a low around 41. Northwest wind 13 to 16 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 47. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 27. North northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 47. North wind 5 to 8 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 31. East southeast wind 8 to 11 mph.
Monday
A chance of rain after noon. Mostly cloudy, with a high near 41. East wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
A chance of rain and snow, mainly before midnight. Cloudy, with a low around 27. East wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 39. Southeast wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 30. South wind around 9 mph.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A slight chance of rain. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
A slight chance of rain. Partly sunny, with a high near 42. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.17°W (Elev. 1755 ft)
Last Update:
11:36 pm CST Nov 14, 2025
Forecast Valid:
12am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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