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.

Partly Cloudy

18°F

-8°C

Humidity 88%
Wind Speed W 9 mph
Barometer 30.13 in (1022.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 10 Jan 2:53 am CST
Extended Forecast for

3 Miles N Altamont SD

  • Overnight

    Overnight: A slight chance of snow.  Mostly cloudy, with a steady temperature around 20. West wind around 8 mph.  Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of flurries before 7am.  Partly sunny through mid morning, then becoming sunny, with a high near 22. Blustery, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 22 °F

    Chance
    Flurries and
    Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 7. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: 7 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36. West southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. West southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Breezy, with a west wind 16 to 22 mph, with gusts as high as 32 mph.

    Low: 39 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Breezy, with a west northwest wind 21 to 25 mph, with gusts as high as 38 mph.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before midnight.  Mostly cloudy, with a low around 20. Blustery, with a north northwest wind 17 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Rain/Snow and
    Blustery then
    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of snow. Mostly cloudy, with a steady temperature around 20. West wind around 8 mph. Chance of precipitation is 20%.
Saturday
A chance of flurries before 7am. Partly sunny through mid morning, then becoming sunny, with a high near 22. Blustery, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
Partly cloudy, with a low around 7. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Mostly sunny, with a high near 36. West southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 27. West wind 13 to 16 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 45. West southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 39. Breezy, with a west wind 16 to 22 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 47. Breezy, with a west northwest wind 21 to 25 mph, with gusts as high as 38 mph.
Tuesday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 20. Blustery, with a north northwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Mostly cloudy, with a high near 39. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 29. Blustery. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Altamont SD
 44.89°N 96.69°W (Elev. 1729 ft)
3:36 am CST Jan 10, 2026
3am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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