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Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

30°F

-1°C

Humidity 96%
Wind Speed NE 3 mph
Barometer 30.22 in (1025.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 22 Mar 9:53 pm MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Light south wind.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Light and variable wind. Winds could gust as high as 17 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. West wind 3 to 6 mph. Winds could gust as high as 23 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. West wind around 7 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 50. North wind 7 to 10 mph, with gusts as high as 30 mph.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Light south wind.
Monday
Partly sunny, with a high near 62. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Partly cloudy, with a low around 37. Light and variable wind. Winds could gust as high as 17 mph.
Tuesday
Partly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Light and variable wind. Winds could gust as high as 16 mph.
Wednesday
Mostly sunny, with a high near 79. West wind 3 to 6 mph. Winds could gust as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 36. West wind around 7 mph becoming north after midnight. Winds could gust as high as 22 mph.
Thursday
Partly sunny, with a high near 50. North wind 7 to 10 mph, with gusts as high as 30 mph.
Thursday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
Last Update:
9:42 pm MDT Mar 22, 2026
Forecast Valid:
10pm MDT Mar 22, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation