Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Mostly Cloudy

78°F

26°C

Humidity 82%
Wind Speed S 13 mph
Barometer 29.97 in (1013.7 mb)
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index80°F (27°C)
Last update 30 Jul 10:53 am CDT
Extended Forecast for

Hazel SD

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 82. South wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could produce heavy rainfall.  Low around 63. North wind 10 to 15 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 63 °F

    Heavy Rain
    then Showers
    Likely

  • Friday

    Friday: A slight chance of showers before 9am.  Patchy smoke after 9am. Mostly cloudy, then gradually becoming sunny, with a high near 80. North northeast wind 14 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Patchy Smoke

  • Friday Night

    Friday Night: Patchy smoke before 8pm. Mostly clear, with a low around 59. North northeast wind 5 to 11 mph.

    Low: 59 °F

    Patchy Smoke
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. North wind around 6 mph becoming south southwest in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Breezy, with a south wind 11 to 21 mph, with gusts as high as 29 mph.

    High: 85 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 86. Breezy, with a south wind 20 to 23 mph, with gusts as high as 33 mph.

    High: 86 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 82. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 63. North wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday
A slight chance of showers before 9am. Patchy smoke after 9am. Mostly cloudy, then gradually becoming sunny, with a high near 80. North northeast wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Friday Night
Patchy smoke before 8pm. Mostly clear, with a low around 59. North northeast wind 5 to 11 mph.
Saturday
Sunny, with a high near 83. North wind around 6 mph becoming south southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 63. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 85. Breezy, with a south wind 11 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 66. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 86. Breezy, with a south wind 20 to 23 mph, with gusts as high as 33 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Breezy. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Hazel SD
 44.76°N 97.38°W (Elev. 1785 ft)
10:37 am CDT Jul 30, 2026
11am CDT Jul 30, 2026-6pm CDT Aug 5, 2026
 
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Additional Resources

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