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

Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog

39°F

4°C

Humidity 100%
Wind Speed SE 14 mph
Barometer 29.86 in (1012.5 mb)
Dewpoint 39°F (4°C)
Visibility 0.50 mi
Wind Chill31°F (-1°C)
Last update 5 Mar 8:53 am CST
Extended Forecast for

4 Miles ESE Castlewood SD

Dense Fog Advisory March 5, 09:07am until March 5, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 09:07am until March 5, 12:00pm

    NOW until 12:00pm Thu

    Dense Fog Advisory

  • Today

    High: 57 °F

    Patchy Fog
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain likely after 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. South southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Slight Chance
    Rain then
    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: Rain. Patchy fog before 8am. Temperature falling to around 33 by 5pm. South wind 7 to 12 mph becoming north northwest 13 to 18 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F⇓

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Snow and freezing rain likely before midnight, then a chance of snow. Mostly cloudy, with a low around 21. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Wintry Mix
    Likely then
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 39. Northwest wind 13 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 39 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. Southwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, partly sunny, with a high near 57. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 29 mph.
Tonight
A chance of rain and thunderstorms, then rain likely after 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. South southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Rain. Patchy fog before 8am. Temperature falling to around 33 by 5pm. South wind 7 to 12 mph becoming north northwest 13 to 18 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Snow and freezing rain likely before midnight, then a chance of snow. Mostly cloudy, with a low around 21. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 3 inches possible.
Saturday
Sunny, with a high near 39. Northwest wind 13 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 52. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 36. Southwest wind around 14 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 52. West wind 11 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A slight chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 32. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
Last Update:
8:56 am CST Mar 5, 2026
Forecast Valid:
9am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation