National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Sky Obscured with Haze

35°F

2°C

Humidity 67%
Wind Speed NE 7 mph
Barometer 29.81 in (1011.7 mb)
Dewpoint 25°F (-4°C)
Visibility 0.50 mi
Wind Chill29°F (-2°C)
Last update 13 Mar 4:53 pm MDT
Extended Forecast for

3 Miles NNE Keystone SD

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 34. East wind around 7 mph, with gusts as high as 15 mph.

    High: 34 °F

    Slight Chance
    Snow and
    Areas Fog

  • Tonight

    Tonight: A slight chance of snow between 9pm and midnight. Areas of fog before midnight. Otherwise, mostly cloudy, with a low around 24. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow and
    Areas Fog
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 3pm. Partly sunny, with a high near 50. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Snow likely. Cloudy, with a low around 12. Wind chill values as low as zero. Northeast wind 9 to 18 mph becoming northwest in the evening. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 12 °F

    Snow Likely

  • Sunday

    Sunday: Snow likely before noon. Partly sunny, with a high near 24. North wind 10 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Snow Likely
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. North wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.

    Low: 7 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34. Calm wind becoming southeast around 5 mph. Winds could gust as high as 15 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow before midnight, then a slight chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 24. Light and variable wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 22 mph.

    Low: 24 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of rain after noon. Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 34. East wind around 7 mph, with gusts as high as 15 mph.
Tonight
A slight chance of snow between 9pm and midnight. Areas of fog before midnight. Otherwise, mostly cloudy, with a low around 24. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
A 20 percent chance of rain after 3pm. Partly sunny, with a high near 50. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
Snow likely. Cloudy, with a low around 12. Wind chill values as low as zero. Northeast wind 9 to 18 mph becoming northwest in the evening. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow likely before noon. Partly sunny, with a high near 24. North wind 10 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 7. North wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.
Monday
Partly sunny, with a high near 34. Calm wind becoming southeast around 5 mph. Winds could gust as high as 15 mph.
Monday Night
A chance of snow before midnight, then a slight chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 24. Light and variable wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 22 mph.
Tuesday
A slight chance of rain after noon. Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Keystone SD
 43.92°N 103.41°W (Elev. 4708 ft)
Last Update:
4:56 pm MDT Mar 13, 2026
Forecast Valid:
5pm MDT Mar 13, 2026-6pm MDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation