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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

A Few Clouds

68°F

20°C

Humidity 93%
Wind Speed S 14 G 31 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 24 Jul 11:53 pm CDT
Extended Forecast for

2 Miles NW Waverly SD

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

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny and hot, with a high near 96. South southwest wind 6 to 11 mph becoming north in the afternoon.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 75. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers between 3pm and 4pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 101. South southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South southwest wind 8 to 10 mph becoming northwest after midnight.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 92. North wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Northeast wind 5 to 7 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 90. East northeast wind 6 to 9 mph becoming northwest in the afternoon.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. West southwest wind 6 to 8 mph becoming east northeast after midnight.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Saturday
Sunny and hot, with a high near 96. South southwest wind 6 to 11 mph becoming north in the afternoon.
Saturday Night
Increasing clouds, with a low around 75. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers between 3pm and 4pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 101. South southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 72. South southwest wind 8 to 10 mph becoming northwest after midnight.
Monday
Sunny and hot, with a high near 92. North wind 9 to 11 mph, with gusts as high as 22 mph.
Monday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 90. East northeast wind 6 to 9 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 68. West southwest wind 6 to 8 mph becoming east northeast after midnight.
Wednesday
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, with a high near 89. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 67. Chance of precipitation is 30%.
Friday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Waverly SD
 45.02°N 97°W (Elev. 2001 ft)
Last Update:
11:51 pm CDT Jul 24, 2026
Forecast Valid:
12am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation