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.

Overcast

59°F

15°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 10:53 pm CDT
Extended Forecast for

4 Miles WNW Watertown SD

  • Tonight

    Tonight: Areas of drizzle and fog. Cloudy, with a low around 56. East northeast wind 6 to 8 mph.

    Low: 56 °F

    Areas Drizzle
    and Areas Fog

  • Saturday

    Saturday: Areas of fog before 4pm. Otherwise, cloudy, with a high near 65. Northeast wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 65 °F

    Areas Fog

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 64. East northeast wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 1am. Cloudy, with a low around 50. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 1pm. Mostly cloudy, with a high near 62. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. East southeast wind 5 to 8 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. Southeast wind around 9 mph.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of drizzle and fog. Cloudy, with a low around 56. East northeast wind 6 to 8 mph.
Saturday
Areas of fog before 4pm. Otherwise, cloudy, with a high near 65. Northeast wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 52. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 64. East northeast wind 11 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A chance of showers, mainly after 1am. Cloudy, with a low around 50. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 62. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 46. East southeast wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 65. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 48. Southeast wind around 9 mph.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Thursday
A slight chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Watertown SD
 44.95°N 97.24°W (Elev. 1762 ft)
Last Update:
11:21 pm CDT Sep 18, 2026
Forecast Valid:
11pm CDT Sep 18, 2026-6pm CDT Sep 25, 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