News Headlines
Hazardous Weather Conditions
Current conditions at
Yankton, Chan Gurney Municipal Airport (KYKN)
Lat: 42.92°NLon: 97.38°WElev: 1306ft.
Fog/Mist
77°F
25°C
| Humidity | 90% |
| Wind Speed | S 12 mph |
| Barometer | 29.89 in (1012.5 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 6.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 25 Jul 8:56 am CDT |
Extended Forecast for
8 Miles NNW Mayfield SD
Extreme Heat Warning July 25, 12:00pm until July 26, 08:00pm
Today

High: 98 °F
Hot
Tonight

Low: 75 °F
Chance
T-stormsSunday
High: 97 °F
Slight Chance
T-storms then
Mostly Sunny
and BreezySunday Night

Low: 75 °F
Chance
SprinklesMonday

High: 97 °F
Hot
Monday Night

Low: 73 °F
Chance
SprinklesTuesday

High: 93 °F
Mostly Sunny
Tuesday Night

Low: 69 °F
Mostly Clear
Wednesday

High: 94 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny and hot, with a high near 98. Heat index values as high as 105. Southwest wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 75. Southeast wind 10 to 15 mph becoming north northeast in the evening. Winds could gust as high as 25 mph.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny and hot, with a high near 97. Heat index values as high as 106. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A chance of sprinkles before 1am. Clear during the early evening, then becoming mostly cloudy, with a low around 75. South wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Monday
Sunny and hot, with a high near 97. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of sprinkles after 1am. Increasing clouds, with a low around 73. East wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Friday
Mostly sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
8 Miles NNW Mayfield SD
43.18°N 97.4°W (Elev. 1486 ft)
43.18°N 97.4°W (Elev. 1486 ft)
8:38 am CDT Jul 25, 2026
9am CDT Jul 25, 2026-6pm CDT Jul 31, 2026



