NWS Forecast for: Keystone SD
Issued by: National Weather Service Rapid City, SD
Last Update: 2:30 am MDT Mar 27, 2017
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  • Overnight

    Overnight: Areas of fog.  Otherwise, mostly cloudy, with a steady temperature around 35. Light west wind.

    Areas Fog


    Low: 35 °F

  • Monday

    Monday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 57. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    Areas Fog
    then Partly
    Sunny

    High: 57 °F

  • Monday
    Night

    Monday Night: Rain, mainly after 11pm.  Low around 37. East wind 5 to 7 mph.  Chance of precipitation is 90%.

    Rain Likely
    then Rain

    Low: 37 °F

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 9am.  High near 45. Northeast wind 5 to 8 mph.  Chance of precipitation is 90%.

    Rain/Snow
    then Rain

    High: 45 °F

  • Tuesday
    Night

    Tuesday Night: Rain and snow before 2am, then a chance of rain between 2am and 4am, then a chance of rain and snow after 4am.  Low around 34. East wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 80%.

    Rain/Snow
    then Chance
    Rain/Snow

    Low: 34 °F

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon.  Mostly cloudy, with a high near 50. Light and variable wind becoming north around 5 mph in the morning.

    Slight Chance
    Rain then
    Partly Sunny

    High: 50 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Partly Cloudy


    Low: 33 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    Mostly Sunny


    High: 58 °F

  • Thursday
    Night

    Thursday Night: A slight chance of rain after midnight.  Mostly cloudy, with a low around 36.

    Mostly Cloudy
    then Slight
    Chance Rain

    Low: 36 °F



  • Overnight: Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 35. Light west wind.

    Monday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 57. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    Monday Night: Rain, mainly after 11pm. Low around 37. East wind 5 to 7 mph. Chance of precipitation is 90%.

    Tuesday: Rain and snow, becoming all rain after 9am. High near 45. Northeast wind 5 to 8 mph. Chance of precipitation is 90%.

    Tuesday Night: Rain and snow before 2am, then a chance of rain between 2am and 4am, then a chance of rain and snow after 4am. Low around 34. East wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%.

    Wednesday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 50. Light and variable wind becoming north around 5 mph in the morning.

    Wednesday Night: Partly cloudy, with a low around 33.

    Thursday: Mostly sunny, with a high near 58.

    Thursday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 36.

    Friday: Rain likely, mainly after noon. Mostly cloudy, with a high near 52.

    Friday Night: Rain and snow likely. Mostly cloudy, with a low around 32.

    Saturday: Partly sunny, with a high near 53.

    Saturday Night: Partly cloudy, with a low around 33.

    Sunday: Mostly sunny, with a high near 57.



    Keystone SD
     43.89°N 103.43°W (Elev. 4541 ft)

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