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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

47°F

8°C

Humidity 69%
Wind Speed SE 9 mph
Barometer 30.21 in (1023.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 21 May 2:53 am CDT
Extended Forecast for

Florence SD

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 48. South southeast wind around 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then becoming sunny, with a high near 66. South southeast wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Southeast wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Showers, mainly after 8am. High near 55. East southeast wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 10pm. Low around 42. East southeast wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 67. West northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. West northwest wind 5 to 7 mph becoming light and variable.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. South wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. South wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 48. South southeast wind around 7 mph.
Thursday
Mostly cloudy through mid morning, then becoming sunny, with a high near 66. South southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 42. Southeast wind 13 to 16 mph, with gusts as high as 24 mph.
Friday
Showers, mainly after 8am. High near 55. East southeast wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Showers, mainly before 10pm. Low around 42. East southeast wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy, with a high near 67. West northwest wind around 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 44. West northwest wind 5 to 7 mph becoming light and variable.
Sunday
Sunny, with a high near 78. South wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 52. South wind 8 to 13 mph, with gusts as high as 22 mph.
Memorial Day
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 86. Breezy.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Florence SD
 45.06°N 97.33°W (Elev. 1759 ft)
Last Update:
2:36 am CDT May 21, 2026
Forecast Valid:
3am CDT May 21, 2026-6pm CDT May 27, 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