Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

62°F

17°C

Humidity 96%
Wind Speed S 14 G 21 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 61°F (16°C)
Visibility 4.00 mi
Last update 3 Aug 6:53 am CDT
Extended Forecast for

Wallace SD

  • Today

    Today: A chance of showers and thunderstorms, mainly after 5pm.  Patchy smoke before 4pm. Cloudy, with a high near 71. South wind 8 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 60. South wind 8 to 10 mph.  Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 78. South wind 8 to 10 mph.  Chance of precipitation is 30%.

    High: 78 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after 7pm.  Mostly cloudy, with a low around 63. South southeast wind around 10 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 80. South southeast wind 10 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 65. South southeast wind 15 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers before 1pm.  Mostly sunny, with a high near 84. South wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. South southeast wind 7 to 9 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 86. South southeast wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 5pm. Patchy smoke before 4pm. Cloudy, with a high near 71. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 60. South wind 8 to 10 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. South wind 8 to 10 mph. Chance of precipitation is 30%.
Monday Night
A slight chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 63. South southeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 80. South southeast wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southeast wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A slight chance of showers before 1pm. Mostly sunny, with a high near 84. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. South southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 86. South southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
7:45 am CDT Aug 3, 2025
8am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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