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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

72°F

22°C

Humidity 82%
Wind Speed S 13 mph
Barometer 29.86 in (1010.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 24 Jul 7:53 pm CDT
Extended Forecast for

7 Miles NNE Wallace SD

Heat Advisory July 25, 01:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy smoke after 1pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 99. South wind 7 to 9 mph becoming west northwest in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Patchy
    Smoke

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 75. South wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm. Cloudy through mid morning, then gradual clearing and hot, with a high near 94. Heat index values as high as 100. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. South southeast wind 7 to 9 mph becoming north after midnight.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 93. North wind around 9 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. East northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91. East wind 6 to 8 mph becoming north in the afternoon.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. South southeast wind around 7 mph becoming east northeast in the evening.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday
Patchy smoke after 1pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 99. South wind 7 to 9 mph becoming west northwest in the afternoon.
Saturday Night
Increasing clouds, with a low around 75. South wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers and thunderstorms before 1pm. Cloudy through mid morning, then gradual clearing and hot, with a high near 94. Heat index values as high as 100. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 71. South southeast wind 7 to 9 mph becoming north after midnight.
Monday
Sunny and hot, with a high near 93. North wind around 9 mph.
Monday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. East northeast wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 91. East wind 6 to 8 mph becoming north in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. South southeast wind around 7 mph becoming east northeast in the evening.
Wednesday
Mostly sunny and hot, with a high near 90.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 67. Chance of precipitation is 20%.
Friday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Wallace SD
 45.18°N 97.42°W (Elev. 1857 ft)
Last Update:
7:36 pm CDT Jul 24, 2026
Forecast Valid:
8pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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