Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Threat of dangerous surf and rip currents continues for East Coast due to Jose

Tropical Storm Jose will continue to weaken as it moves northeastward then returns southwestward while remaining off the Northeast coast. Jose will produce rain with embedded thunderstorms over parts of coastal Southern New England through Friday. Swells generated by Jose will bring the risk of dangerous surf and rip current conditions for much of the U.S. east coast during the next several days. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

49°F

9°C

Humidity 50%
Wind Speed Vrbl 3 mph
Barometer 29.75 in (1002.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 21 Sep 4:53 am MDT
Extended Forecast for

Keystone SD

  • Today

    Today: Sunny, with a high near 77. South wind 7 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.

    Sunny

    High: 77 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North wind 8 to 10 mph.

    Partly Cloudy

    Low: 46 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 66. Northwest wind 7 to 9 mph becoming southeast in the afternoon.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 66 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Cloudy, with a low around 41. North wind 6 to 8 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 41 °F

  • Saturday

    Saturday: Showers likely, mainly after 1pm.  Cloudy, with a high near 47. North wind around 7 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 47 °F

  • Saturday
    Night

    Saturday Night: Showers, mainly before 1am.  Low around 38. North wind around 7 mph.  Chance of precipitation is 80%.

    Showers

    Low: 38 °F

  • Sunday

    Sunday: A 50 percent chance of showers.  Cloudy, with a high near 48.

    Chance
    Showers

    High: 48 °F

  • Sunday
    Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 37.

    Chance
    Showers

    Low: 37 °F

  • Monday

    Monday: A chance of showers.  Mostly cloudy, with a high near 47.

    Chance
    Showers

    High: 47 °F

Detailed Forecast

Today
Sunny, with a high near 77. South wind 7 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.
Tonight
Partly cloudy, with a low around 46. North wind 8 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 66. Northwest wind 7 to 9 mph becoming southeast in the afternoon.
Friday Night
A chance of showers and thunderstorms. Cloudy, with a low around 41. North wind 6 to 8 mph. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 1pm. Cloudy, with a high near 47. North wind around 7 mph. Chance of precipitation is 60%.
Saturday Night
Showers, mainly before 1am. Low around 38. North wind around 7 mph. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 48.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 37.
Monday
A chance of showers. Mostly cloudy, with a high near 47.
Monday Night
A chance of showers before 1am. Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 61.
Click Map For Forecast
Point Forecast:
Keystone SD
 43.89°N 103.43°W (Elev. 4541 ft)
2:50 am MDT Sep 21, 2017
5am MDT Sep 21, 2017-6pm MDT Sep 27, 2017
 
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