Snow May Produce Poor Travel Conditions in the North-Central U.S. and East Coast

A strong cold front sweeping across the Northern Plains may bring snow showers and snow squalls from eastern Montana to north-central Nebraska, with blizzard conditions possible in eastern North Dakota and northwestern Montana. Heavy snow is expected to persist downwind of the Great Lakes. Snow showers will spread up the East Coast across the Mid-Atlantic and Northeast coasts. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Mostly Cloudy and Windy

4°F

-16°C

Humidity 73%
Wind Speed NW 28 G 40 mph
Barometer 30.06 in (1022.2 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 18 Jan 4:53 pm CST
Extended Forecast for

Watertown SD

Winter Weather Advisory January 18, 05:35pm until January 18, 09:00pm
Wind Advisory January 18, 05:35pm until January 18, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
  •  
    Winter Weather Advisory January 18, 05:35pm until January 18, 09:00pm
    Wind Advisory January 18, 05:35pm until January 18, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 4 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: A slight chance of snow before 8pm.  Patchy blowing snow before midnight. Mostly cloudy, with a low around -7. Wind chill values as low as -27. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 41 mph.  Chance of precipitation is 20%.

    Low: -7 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 7. Wind chill values as low as -26. West wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 7 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around -7. Northwest wind 5 to 10 mph becoming west southwest after midnight.

    Low: -7 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow after noon.  Partly sunny, with a high near 16. South wind 5 to 9 mph.  Chance of precipitation is 30%.

    High: 16 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before midnight.  Mostly cloudy, with a low around 8. South wind 7 to 11 mph becoming west northwest in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 30%.

    Low: 8 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of snow.  Partly sunny, with a high near 19. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 30%.

    High: 19 °F

    Chance Snow
    and Blustery

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -1. Northwest wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: -1 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A slight chance of snow. Patchy blowing snow. Mostly cloudy and cold, with a steady temperature around 4. Wind chill values as low as -20. Blustery, with a north northwest wind around 28 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Tonight
A slight chance of snow before 8pm. Patchy blowing snow before midnight. Mostly cloudy, with a low around -7. Wind chill values as low as -27. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
M.L.King Day
Partly sunny and cold, with a high near 7. Wind chill values as low as -26. West wind 11 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around -7. Northwest wind 5 to 10 mph becoming west southwest after midnight.
Tuesday
A chance of snow after noon. Partly sunny, with a high near 16. South wind 5 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 8. South wind 7 to 11 mph becoming west northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A chance of snow. Partly sunny, with a high near 19. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around -1. Northwest wind 9 to 16 mph, with gusts as high as 26 mph.
Thursday
Partly sunny, with a high near 12. West wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around -10.
Friday
Mostly sunny and cold, with a high near -2.
Friday Night
Partly cloudy, with a low around -18.
Saturday
A slight chance of snow. Partly sunny and cold, with a high near -1. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around -12. Chance of precipitation is 20%.
Sunday
A slight chance of snow. Partly sunny and cold, with a high near 7. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
5:11 pm CST Jan 18, 2026
5pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
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