7-Day Forecast 43.86°N 104.21°W (Text-Only)
NWS Forecast for: Newcastle WY
Issued by: National Weather Service Rapid City, SD
Last Update: 1:31 am MDT May 13, 2024
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  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon.  Areas of smoke before 9am. Mostly sunny, with a high near 74. East wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    High: 74 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 47. Southwest wind 6 to 9 mph becoming northeast after midnight.

    Low: 47 °F

    Slight Chance
    T-storms


  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 64. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 24 mph.

    High: 64 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 44. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 63. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers


  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 42. North wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Mostly Clear



  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 70. Northeast wind 5 to 10 mph becoming west 12 to 17 mph in the morning. Winds could gust as high as 25 mph.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly clear, with a low around 46. North wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 46 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers after noon.  Sunny, with a high near 72. Breezy.

    High: 72 °F

    Sunny then
    Slight Chance
    Showers and
    Breezy



  • Today: A 20 percent chance of showers and thunderstorms after noon. Areas of smoke before 9am. Mostly sunny, with a high near 74. East wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    Tonight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 47. Southwest wind 6 to 9 mph becoming northeast after midnight.

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 64. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 24 mph.

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 63. Northwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Wednesday Night: Mostly clear, with a low around 42. North wind 5 to 13 mph, with gusts as high as 21 mph.

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Northeast wind 5 to 10 mph becoming west 12 to 17 mph in the morning. Winds could gust as high as 25 mph.

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly clear, with a low around 46. North wind 11 to 15 mph, with gusts as high as 22 mph.

    Friday: A slight chance of showers after noon. Sunny, with a high near 72. Breezy.

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 46.

    Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 72.

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 45.

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 62.



    Newcastle WY
     43.86°N 104.21°W (Elev. 4380 ft)

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