Heavy Precipitation in the West; Wintry Mix in the North; Fire Weather in the High Plains

Pacific moisture will continue to bring locally heavy coastal/lower elevation rain and heavy mountain snow to the West Coast and portions of the Intermountain West through Monday. A wintry mix will create hazardous travel across the northern Plains and Upper Midwest into early Monday. Dry, gusty winds are resulting in elevated to critical fire weather in the south/central High Plains. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Freezing Fog

29°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 29.67 in (1006.6 mb)
Dewpoint 28°F (-2°C)
Visibility 0.50 mi
Last update 4 Jan 11:53 pm CST
Extended Forecast for

Watertown SD

Dense Fog Advisory January 5, 12:01am until January 5, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 5, 12:01am until January 5, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 26 °F

    Dense
    Freezing Fog

  • Monday

    Monday: Patchy dense fog between 8am and 10am. Widespread dense freezing fog before 8am.  Otherwise, mostly cloudy, with a high near 41. South wind 6 to 8 mph.

    High: 41 °F

    Dense
    Freezing Fog
    and Patchy
    Dense Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of rain before midnight.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 25. South wind around 7 mph becoming northwest in the evening.  Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. West wind around 8 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. South southwest wind 7 to 9 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. South southwest wind 7 to 9 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Southwest wind 7 to 9 mph becoming northwest after midnight.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Northwest wind 9 to 11 mph becoming northeast in the afternoon.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread dense freezing fog, mainly after 3am. Mostly cloudy, with a low around 26. West wind around 6 mph becoming south southeast.
Monday
Patchy dense fog between 8am and 10am. Widespread dense freezing fog before 8am. Otherwise, mostly cloudy, with a high near 41. South wind 6 to 8 mph.
Monday Night
A slight chance of rain before midnight. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 25. South wind around 7 mph becoming northwest in the evening. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 37. West wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 26. South southwest wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 43. South southwest wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 26. Southwest wind 7 to 9 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 39. Northwest wind 9 to 11 mph becoming northeast in the afternoon.
Thursday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 24. East northeast wind around 10 mph becoming west southwest after midnight. Chance of precipitation is 20%.
Friday
A slight chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 20%.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 20%.
Saturday
A slight chance of snow. Partly sunny, with a high near 23. Blustery. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 33.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.17°W (Elev. 1755 ft)
11:36 pm CST Jan 4, 2026
12am CST Jan 5, 2026-6pm CST Jan 11, 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