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Alberto will pose a variety of Hazards for the South over the Memorial Day Weekend

Subtropical Storm Alberto is slowly moving through the northwestern Caribbean Sea. Tropical Storm-force winds and storm surge possible along the north-central Gulf Coast later this weekend. Regardless of the track, heavy rainfall and flooding is possible in the Southeast over the weekend and into next week. Swells from Alberto will create dangerous surf and rip currents along the Gulf Coast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

55°F

13°C

Humidity 83%
Wind Speed NW 5 mph
Barometer 30.03 in (1010.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 25 May 11:53 pm MDT
Extended Forecast for

Keystone SD

  • Overnight

    Overnight: Clear, with a low around 59. Southwest wind 3 to 5 mph.

    Clear

    Low: 59 °F

  • Saturday

    Saturday: Sunny, with a high near 87. Southwest wind 5 to 7 mph becoming southeast in the afternoon.

    Sunny

    High: 87 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 61. Southeast wind 5 to 9 mph becoming northwest after midnight.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 61 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 81. North wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    Partly Sunny
    then Chance
    T-storms

    High: 81 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 56. East wind 6 to 9 mph becoming northwest in the evening.

    Chance
    T-storms

    Low: 56 °F

  • Memorial
    Day

    Memorial Day: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 73. North wind 6 to 8 mph becoming east in the morning.

    Chance
    T-storms

    High: 73 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 54.

    Chance
    T-storms

    Low: 54 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 71.

    Showers
    Likely

    High: 71 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 53.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 53 °F

Detailed Forecast

Overnight
Clear, with a low around 59. Southwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 87. Southwest wind 5 to 7 mph becoming southeast in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. Southeast wind 5 to 9 mph becoming northwest after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. North wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East wind 6 to 9 mph becoming northwest in the evening.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. North wind 6 to 8 mph becoming east in the morning.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 54.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Keystone SD
 43.89°N 103.43°W (Elev. 4541 ft)
10:32 pm MDT May 25, 2018
12am MDT May 26, 2018-6pm MDT May 31, 2018
 
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