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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

62°F

17°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 29.98 in (1014.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 2 Aug 5:53 am CDT
Extended Forecast for

Goodwin SD

  • Today

    Today: Mostly sunny, with a high near 84. South wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 31 mph.

    Low: 65 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 84. Breezy, with a south wind 21 to 23 mph, with gusts as high as 36 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 57. Breezy, with a south southwest wind 10 to 20 mph becoming north northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming light and variable.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. West southwest wind around 14 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. South wind 7 to 17 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 65. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 84. Breezy, with a south wind 21 to 23 mph, with gusts as high as 36 mph.
Monday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 57. Breezy, with a south southwest wind 10 to 20 mph becoming north northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 72. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming light and variable.
Wednesday
Sunny, with a high near 76. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 57. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 79. West southwest wind around 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 82.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Goodwin SD
 44.87°N 96.84°W (Elev. 1991 ft)
Last Update:
5:36 am CDT Aug 2, 2026
Forecast Valid:
6am CDT Aug 2, 2026-6pm CDT Aug 8, 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