Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

43°F

6°C

Humidity 74%
Wind Speed N 13 mph
Barometer 29.96 in (1015.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 17 May 7:53 pm CDT
Extended Forecast for

6 Miles W Clear Lake SD

Frost Advisory May 18, 01:00am until May 18, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Widespread frost, mainly after 3am.  Otherwise, partly cloudy, with a low around 32. North northeast wind 7 to 11 mph.

    Low: 32 °F

    Partly Cloudy
    then Frost

  • Sunday

    Sunday: Partly sunny, with a high near 60. East northeast wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 39. Breezy, with an east wind 18 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 10am.  High near 51. Breezy, with an east wind 24 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 38. Breezy, with an east wind 22 to 25 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers before 7am, then showers and possibly a thunderstorm between 7am and 10am, then showers after 10am.  High near 48. Breezy, with an east northeast wind around 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 48 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 34. Northeast wind 11 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 1pm.  Partly sunny, with a high near 58. North northeast wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. Northwest wind 8 to 10 mph.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. North northeast wind 7 to 11 mph.
Sunday
Partly sunny, with a high near 60. East northeast wind 9 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 39. Breezy, with an east wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 10am. High near 51. Breezy, with an east wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 38. Breezy, with an east wind 22 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers before 7am, then showers and possibly a thunderstorm between 7am and 10am, then showers after 10am. High near 48. Breezy, with an east northeast wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 34. Northeast wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 58. North northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 39. Northwest wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 20%.
Friday
A slight chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 47. Chance of precipitation is 20%.
Saturday
A chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Clear Lake SD
 44.76°N 96.81°W (Elev. 1969 ft)
7:44 pm CDT May 17, 2025
8pm CDT May 17, 2025-6pm CDT May 24, 2025
 
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Additional Resources

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