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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Aberdeen, Aberdeen Regional Airport (KABR)

Lat: 45.44°NLon: 98.41°WElev: 1299ft.

Fair

71°F

22°C

Humidity 71%
Wind Speed SE 9 mph
Barometer 30.03 in (1016.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Aug 9:53 am CDT
Extended Forecast for

Westport SD

  • Today

    Today: A slight chance of showers between 11am and 4pm. Mostly cloudy, with a high near 84. South southeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 63. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 85. Southeast wind 5 to 7 mph becoming east northeast in the afternoon. Chance of precipitation is 10%.

    High: 85 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. East northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Northeast wind around 8 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East southeast wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 83. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South southwest wind 3 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. West northwest wind 5 to 7 mph becoming south southeast in the morning.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 11am and 4pm. Mostly cloudy, with a high near 84. South southeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 63. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 85. Southeast wind 5 to 7 mph becoming east northeast in the afternoon. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. East northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 86. Northeast wind around 8 mph.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East southeast wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 83. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 57. South southwest wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 83. West northwest wind 5 to 7 mph becoming south southeast in the morning.
Tuesday Night
A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westport SD
 45.66°N 98.5°W (Elev. 1342 ft)
Last Update:
10:07 am CDT Aug 28, 2026
Forecast Valid:
10am CDT Aug 28, 2026-6pm CDT Sep 3, 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