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

77°F

25°C

Humidity 66%
Wind Speed S 13 mph
Barometer 29.94 in (1012.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Aug 10:53 am CDT
Extended Forecast for

3 Miles NE Naples SD

  • Today

    Today: Mostly sunny, with a high near 86. Breezy, with a south wind 15 to 21 mph, with gusts as high as 30 mph.

    High: 86 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Breezy, with a south southeast wind around 21 mph, with gusts as high as 32 mph.

    Low: 66 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 87. Breezy, with a south wind 22 to 25 mph, with gusts as high as 37 mph.

    High: 87 °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.  Mostly cloudy, with a low around 57. Breezy, with a south southwest wind 17 to 22 mph becoming north 10 to 15 mph in the evening. 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 73. North northwest wind 8 to 13 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming south southeast after midnight.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Southwest wind 6 to 11 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind 7 to 11 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. Breezy, with a south wind 15 to 21 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 66. Breezy, with a south southeast wind around 21 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 87. Breezy, with a south wind 22 to 25 mph, with gusts as high as 37 mph.
Monday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am. Mostly cloudy, with a low around 57. Breezy, with a south southwest wind 17 to 22 mph becoming north 10 to 15 mph in the evening. 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 73. North northwest wind 8 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming south southeast after midnight.
Wednesday
Mostly sunny, with a high near 78. Southwest wind 6 to 11 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind 7 to 11 mph.
Thursday
Sunny, with a high near 81. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Naples SD
 44.8°N 97.47°W (Elev. 1729 ft)
10:36 am CDT Aug 2, 2026
11am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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