Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

37°F

3°C

Humidity 79%
Wind Speed W 14 mph
Barometer 29.71 in (1007.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 13 Jan 5:53 am CST
Extended Forecast for

4 Miles ESE Castlewood SD

  • Today

    Today: Partly sunny, with a high near 43. Breezy, with a west northwest wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 37 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 12. North wind around 18 mph, with gusts as high as 32 mph.

    Low: 12 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 21. North wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 21 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 11. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 11 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of snow after noon.  Mostly cloudy, with a high near 38. Breezy, with a south wind 11 to 16 mph becoming west northwest 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 20%.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight.  Patchy blowing snow after midnight. Mostly cloudy, with a low around 17. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: A chance of snow.  Mostly cloudy, with a high near 25. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 43 mph.  Chance of precipitation is 50%.

    High: 25 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: A slight chance of snow.  Mostly cloudy, with a low around 3. Blustery, with a north northwest wind 16 to 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 20%.

    Low: 3 °F

    Slight Chance
    Snow and
    Blustery

  • Saturday

    Saturday: Mostly cloudy, with a high near 12. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 12 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Today
Partly sunny, with a high near 43. Breezy, with a west northwest wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 37 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 12. North wind around 18 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 21. North wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Increasing clouds, with a low around 11. Light and variable wind becoming south 5 to 10 mph after midnight.
Thursday
A slight chance of snow after noon. Mostly cloudy, with a high near 38. Breezy, with a south wind 11 to 16 mph becoming west northwest 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Thursday Night
Snow likely, mainly after midnight. Patchy blowing snow after midnight. Mostly cloudy, with a low around 17. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow. Mostly cloudy, with a high near 25. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 3. Blustery, with a north northwest wind 16 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 12. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 3.
M.L.King Day
Partly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
6:36 am CST Jan 13, 2026
6am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
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