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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

25°F

-4°C

Humidity 85%
Wind Speed S 5 mph
Barometer 30.06 in (1020.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 12 Jan 6:53 am CST
Extended Forecast for

Wallace SD

  • Today

    Today: Increasing clouds, with a high near 43. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. West wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between 10am and 11am. Partly sunny, with a high near 42. Breezy, with a west wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 42 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after midnight. Mostly cloudy, with a low around 14. Blustery, with a north wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Sunny, with a high near 22. North wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 22 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 22 mph.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 37. Breezy, with a south wind 14 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight. Patchy blowing snow after 2am. Mostly cloudy, with a low around 17. Blustery, with a northwest wind 21 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 26. Blustery, with a north northwest wind 22 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 50%.

    High: 26 °F

    Chance Snow
    and Blustery

Detailed Forecast

Today
Increasing clouds, with a high near 43. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 34. West wind 11 to 16 mph, with gusts as high as 28 mph.
Tuesday
A slight chance of rain between 10am and 11am. Partly sunny, with a high near 42. Breezy, with a west wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 14. Blustery, with a north wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 22. North wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 13. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 22 mph.
Thursday
A chance of snow. Partly sunny, with a high near 37. Breezy, with a south wind 14 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 40%.
Thursday Night
Snow likely, mainly after midnight. Patchy blowing snow after 2am. Mostly cloudy, with a low around 17. Blustery, with a northwest wind 21 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Friday
A chance of snow. Mostly cloudy, with a high near 26. Blustery, with a north northwest wind 22 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 2. Blustery. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 14.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
Last Update:
6:36 am CST Jan 12, 2026
Forecast Valid:
7am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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