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

O'Neill / Baker Field (KONL)

Lat: 42.47°NLon: 98.68°WElev: 2031ft.

Fair

46°F

8°C

Humidity 41%
Wind Speed Calm
Barometer 29.62 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 7 Jan 7:15 pm CST
Extended Forecast for

Marty SD

  • Tonight

    Tonight: Increasing clouds, with a low around 33. South wind 5 to 10 mph becoming north northwest after midnight.

    Low: 33 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of rain and snow before 4pm, then a slight chance of snow between 4pm and 5pm, then a slight chance of rain after 5pm. Cloudy, with a high near 41. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. North northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 40. Northwest wind 10 to 15 mph.

    High: 40 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 21. West northwest wind around 10 mph.

    Low: 21 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 32. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 32 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 33. South wind 5 to 10 mph becoming north northwest after midnight.
Thursday
A slight chance of rain and snow before 4pm, then a slight chance of snow between 4pm and 5pm, then a slight chance of rain after 5pm. Cloudy, with a high near 41. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 23. North northwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 40. Northwest wind 10 to 15 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 21. West northwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 32. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 13.
Sunday
Sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marty SD
 42.99°N 98.44°W (Elev. 1473 ft)
Last Update:
4:58 pm CST Jan 7, 2026
Forecast Valid:
7pm CST Jan 7, 2026-6pm CST Jan 14, 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