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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

35°F

2°C

Humidity 50%
Wind Speed SW 12 mph
Barometer 30.07 in (1020.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 9 Jan 1:53 pm CST
Extended Forecast for

Wallace SD

  • This Afternoon

    This Afternoon: A chance of flurries before 3pm, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 35. West southwest wind around 14 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A chance of flurries between midnight and 1am. Partly cloudy, with a low around 13. West northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 13 °F

    Chance
    Flurries

  • Saturday

    Saturday: Sunny, with a high near 18. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 18 °F

    Sunny then
    Sunny and
    Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6. Northwest wind 6 to 14 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. South southwest wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 34. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A chance of rain, mainly before noon. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance Rain
    and Breezy

Detailed Forecast

This Afternoon
A chance of flurries before 3pm, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 35. West southwest wind around 14 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries between midnight and 1am. Partly cloudy, with a low around 13. West northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 18. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.
Saturday Night
Partly cloudy, with a low around 6. Northwest wind 6 to 14 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Mostly sunny, with a high near 33. South southwest wind 7 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 43. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 34. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
A chance of rain, mainly before noon. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
Last Update:
1:36 pm CST Jan 9, 2026
Forecast Valid:
2pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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