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

Hazardous Weather Conditions

Current conditions at

O'Neill / Baker Field (KONL)

Lat: 42.47°NLon: 98.68°WElev: 2031ft.

Partly Cloudy

86°F

30°C

Humidity 52%
Wind Speed S 5 mph
Barometer 29.95 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 14 Jun 6:15 pm CDT
Extended Forecast for

Marty SD

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 66. East wind 5 to 10 mph.

    Low: 66 °F

    Heavy Rain

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. East wind 5 to 10 mph becoming south in the morning. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67. South wind 5 to 10 mph.

    Low: 67 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 92 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 65 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 66. East wind 5 to 10 mph.
Sunday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. East wind 5 to 10 mph becoming south in the morning. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67. South wind 5 to 10 mph.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 58.
Juneteenth
Sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marty SD
 42.99°N 98.44°W (Elev. 1473 ft)
Last Update:
5:32 pm CDT Jun 14, 2025
Forecast Valid:
6pm CDT Jun 14, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
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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