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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed S 9 mph
Barometer 29.85 in (1009.8 mb)
Dewpoint 67°F (19°C)
Visibility 5.00 mi
Last update 25 Jul 1:53 am CDT
Extended Forecast for

4 Miles WSW Bryant SD

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

  • Overnight

    Overnight: Mostly clear, with a low around 65. Calm wind becoming south southwest around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 99. South southwest wind 7 to 9 mph becoming north northwest in the afternoon.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 75. South wind 8 to 11 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 98. Heat index values as high as 105. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    High: 98 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South southwest wind 7 to 10 mph becoming north after midnight.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. Northeast wind 6 to 8 mph becoming east southeast after midnight.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92. East wind around 8 mph becoming south southwest in the afternoon.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Southeast wind 7 to 9 mph.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 65. Calm wind becoming south southwest around 6 mph.
Saturday
Mostly sunny and hot, with a high near 99. South southwest wind 7 to 9 mph becoming north northwest in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 75. South wind 8 to 11 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 98. Heat index values as high as 105. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Sunday Night
Mostly clear, with a low around 72. South southwest wind 7 to 10 mph becoming north after midnight.
Monday
Sunny and hot, with a high near 95. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 72. Northeast wind 6 to 8 mph becoming east southeast after midnight.
Tuesday
Mostly sunny and hot, with a high near 92. East wind around 8 mph becoming south southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 70. Southeast wind 7 to 9 mph.
Wednesday
Mostly sunny and hot, with a high near 93.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 68. Chance of precipitation is 30%.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Bryant SD
 44.56°N 97.53°W (Elev. 1749 ft)
Last Update:
1:26 am CDT Jul 25, 2026
Forecast Valid:
2am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation