Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

53°F

12°C

Humidity 41%
Wind Speed Vrbl 6 mph
Barometer 30.06 in (1017.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 23 Mar 11:53 am MDT
Extended Forecast for

6 Miles NNW Keystone SD

Fire Weather Watch March 25, 11:00am until March 25, 10:00pm
Click here for hazard details and duration
Fire Weather Watch
  • This Afternoon

    This Afternoon: Partly sunny, with a high near 62. Northeast wind around 6 mph, with gusts as high as 17 mph.

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Calm wind becoming west around 6 mph. Winds could gust as high as 18 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 16 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79. West wind 3 to 6 mph. Winds could gust as high as 22 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. West wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain between noon and 4pm, then a slight chance of snow after 4pm.  Increasing clouds, with a high near 49. North wind 6 to 10 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before midnight.  Mostly cloudy, with a low around 25. North wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 31 mph.

    Low: 25 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 62. Northeast wind around 6 mph, with gusts as high as 17 mph.
Tonight
Partly cloudy, with a low around 34. Light and variable wind. Winds could gust as high as 16 mph.
Tuesday
Mostly sunny, with a high near 67. Calm wind becoming west around 6 mph. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 45. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 16 mph.
Wednesday
Sunny, with a high near 79. West wind 3 to 6 mph. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 35. West wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.
Thursday
A slight chance of rain between noon and 4pm, then a slight chance of snow after 4pm. Increasing clouds, with a high near 49. North wind 6 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 25. North wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 31 mph.
Friday
Sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
12:33 pm MDT Mar 23, 2026
12pm MDT Mar 23, 2026-6pm MDT Mar 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database