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Colder temperatures for the central and eastern U.S.

A strong cold front has ushered below-normal temperatures to the eastern half of the country for the weekend. Freeze Warnings and Hard Freeze Warnings are in effect for the mid-South and mid-Atlantic.
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Hazardous Weather Conditions

Current Conditions

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Fair

43°F

6°C

Humidity 53%
Wind Speed N 5 mph
Barometer 30.03 in (1014.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill 40°F (4°C)
Last update on 27 Mar 10:53 pm MDT

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°N Lon: 103.62°W Elev: 5600ft.

For More Weather Information:

Rapid City, SD Local Forecast Office

Keystone SD

7 Day Forecast

  • Overnight

    Mostly Clear

    Mostly
    Clear

    Low: 43 °F

  • Saturday

    Sunny

    Sunny

    High: 74 °F

  • Saturday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 41 °F

  • Sunday

    Breezy

    Breezy

    High: 61 °F

  • Sunday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 39 °F

  • Monday

    Sunny

    Sunny

    High: 66 °F

  • Monday
    Night

    Mostly Clear

    Mostly
    Clear

    Low: 42 °F

  • Tuesday

    Mostly Sunny

    Mostly
    Sunny

    High: 71 °F

  • Tuesday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 43 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 43. West wind around 5 mph.
Saturday
Sunny, with a high near 74. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
A slight chance of showers and thunderstorms between 9pm and 10pm, then a slight chance of showers after 10pm. Partly cloudy, with a low around 41. Windy, with a northwest wind 15 to 20 mph increasing to 29 to 34 mph in the evening. Winds could gust as high as 50 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 61. Breezy, with a northwest wind 16 to 21 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 39. West wind around 7 mph.
Monday
Sunny, with a high near 66. Northwest wind around 8 mph.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 51.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 49.

ABOUT THIS FORECAST

Point Forecast: Keystone SD
 43.89°N 103.43°W (Elev. 4540 ft)
Last Update: 10:37 pm MDT Mar 27, 2015
Forecast Valid: 12am MDT Mar 28, 2015-6pm MDT Apr 3, 2015
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