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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog

37°F

3°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.74 in (1008.1 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Wind Chill32°F (0°C)
Last update 15 Apr 3:53 am CDT
Extended Forecast for

Wallace SD

Fire Weather Watch April 16, 11:00am until April 16, 08:00pm
Dense Fog Advisory until April 15, 09:00am
Click here for hazard details and duration
Fire Weather Watch
Dense Fog Advisory
  •  
    Dense Fog Advisory until April 15, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles between 7am and 9am. Partly sunny, then gradually becoming sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 72 °F

    Chance
    Sprinkles

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. South wind 6 to 10 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 35. South southwest wind 11 to 18 mph becoming north northeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of rain and snow showers before 10am, then a chance of snow showers. Mostly cloudy, with a high near 45. Breezy, with a north northwest wind 18 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 45 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 23. Blustery, with a north northwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    and Blustery
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A slight chance of snow showers before 1pm. Partly sunny, with a high near 40. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow Showers
    and Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Calm wind.
Wednesday
A chance of sprinkles between 7am and 9am. Partly sunny, then gradually becoming sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 45. South wind 6 to 10 mph.
Thursday
Sunny, with a high near 80. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph.
Thursday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 35. South southwest wind 11 to 18 mph becoming north northeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Friday
A chance of rain and snow showers before 10am, then a chance of snow showers. Mostly cloudy, with a high near 45. Breezy, with a north northwest wind 18 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 23. Blustery, with a north northwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday
A slight chance of snow showers before 1pm. Partly sunny, with a high near 40. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 24. Blustery, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 68. Breezy.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
Last Update:
3:36 am CDT Apr 15, 2026
Forecast Valid:
4am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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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