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

Excessive Heat Continues for Washington State; Flooding Impacts Expected in the Southwest U.S.

Excessive heat will continue over central Washington through Friday with afternoon temperatures into the triple digits. In the Desert Southwest, monsoon activity will continue to generate localized flooding impacts in arroyos, slot canyons, and urban areas, as well as rapid rises on rivers, through this weekend. Flood Watches are widespread across Arizona and New Mexico for Friday and Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

76°F

24°C

Humidity 67%
Wind Speed S 6 mph
Barometer 30.08 in (1019.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 8:56 pm CDT
Extended Forecast for

Tyndall SD

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South southeast wind around 5 mph.

    Partly Cloudy

    Low: 62 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 86 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 61. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 61 °F

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 76. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    High: 76 °F

  • Friday
    Night

    Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. North northwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 58 °F

  • Saturday

    Saturday: A slight chance of showers before 1pm. Mostly sunny, with a high near 76. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 76 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 57.

    Mostly Clear

    Low: 57 °F

  • Sunday

    Sunday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 58.

    Mostly Clear

    Low: 58 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. South southeast wind around 5 mph.
Thursday
A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 61. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 76. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. North northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers before 1pm. Mostly sunny, with a high near 76. North wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 85.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Tyndall SD
 42.98°N 97.87°W (Elev. 1414 ft)
Last Update:
6:32 pm CDT Aug 17, 2022
Forecast Valid:
9pm CDT Aug 17, 2022-6pm CDT Aug 24, 2022
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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