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.

Fair

81°F

27°C

Humidity 21%
Wind Speed SW 16 G 23 mph
Barometer 29.55 in (1000.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Apr 5:53 pm CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

Red Flag Warning until April 16, 08:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until April 16, 08:00pm

    NOW until 8:00pm Thu

    Red Flag Warning

  • Tonight

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of rain and snow showers before noon, then a chance of snow showers between noon and 1pm. Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 41 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 36 mph.

    Low: 23 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 43. Breezy, with a west northwest wind 16 to 21 mph, with gusts as high as 33 mph.

    High: 43 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 30 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50. North northwest wind 6 to 8 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. North northeast wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. South southeast wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
A slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 36. South southwest wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Friday
A chance of rain and snow showers before noon, then a chance of snow showers between noon and 1pm. Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 23. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 36 mph.
Saturday
Sunny, with a high near 43. Breezy, with a west northwest wind 16 to 21 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 24. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 50. North northwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 32. North northeast wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 70. South southeast wind 11 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 42. South southwest wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 74.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 70. Breezy. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
5:36 pm CDT Apr 16, 2026
Forecast Valid:
6pm CDT Apr 16, 2026-6pm CDT Apr 23, 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