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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles S Webster SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 35. Light northeast wind increasing to 5 to 9 mph.

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of fog before 7pm, then areas of fog after 9pm. Widespread freezing fog between 7pm and 9pm. Otherwise, mostly cloudy, with a low around 21. Northeast wind 9 to 11 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.

    Low: 21 °F

    Freezing Fog
    and Areas Fog

  • Christmas Day

    Christmas Day: A slight chance of freezing rain between 10am and 11am. Patchy fog between 1pm and 2pm. Areas of freezing fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 37. East southeast wind 13 to 17 mph becoming south in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 10%.

    High: 37 °F

    Slight Chance
    Freezing Rain
    and Areas
    Freezing Fog

  • Thursday Night

    Thursday Night: A slight chance of drizzle or freezing rain between midnight and 3am, then a slight chance of freezing rain after 3am. Mostly cloudy, with a low around 26. South wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 10%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance
    Drizzle/Freezing
    Rain

  • Friday

    Friday: Partly sunny, with a high near 36. Northwest wind around 8 mph becoming south in the afternoon.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. South wind 7 to 9 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 37 mph.

    Low: 2 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 8. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 39 mph.

    High: 8 °F

    Cold and
    Blustery

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 35. Light northeast wind increasing to 5 to 9 mph.
Tonight
Areas of fog before 7pm, then areas of fog after 9pm. Widespread freezing fog between 7pm and 9pm. Otherwise, mostly cloudy, with a low around 21. Northeast wind 9 to 11 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.
Christmas Day
A slight chance of freezing rain between 10am and 11am. Patchy fog between 1pm and 2pm. Areas of freezing fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 37. East southeast wind 13 to 17 mph becoming south in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 10%.
Thursday Night
A slight chance of drizzle or freezing rain between midnight and 3am, then a slight chance of freezing rain after 3am. Mostly cloudy, with a low around 26. South wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 10%.
Friday
Partly sunny, with a high near 36. Northwest wind around 8 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 30. South wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 39. Southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 2. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 37 mph.
Sunday
Mostly sunny and cold, with a high near 8. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 39 mph.
Sunday Night
Mostly clear, with a low around -3.
Monday
Mostly sunny, with a high near 14.
Monday Night
Mostly cloudy, with a low around 7.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Webster SD
 45.29°N 97.52°W (Elev. 1824 ft)
Last Update:
11:26 am CST Dec 24, 2025
Forecast Valid:
12pm CST Dec 24, 2025-6pm CST Dec 30, 2025
 
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