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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

45°F

7°C

Humidity 49%
Wind Speed Calm
Barometer 29.97 in (1011.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Mar 12:53 am MDT
Extended Forecast for

4 Miles E Custer SD

  • Overnight

    Overnight: Partly cloudy, with a low around 39. Northwest wind 6 to 9 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. West wind 6 to 15 mph, with gusts as high as 32 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 28 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Light northwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 26 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. West wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. West wind 5 to 8 mph, with gusts as high as 24 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 15 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. West wind 6 to 10 mph, with gusts as high as 28 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. Northwest wind 6 to 9 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 69. West wind 6 to 15 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 41. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 28 mph.
Thursday
Mostly sunny, with a high near 72. Light northwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 47. West wind 3 to 7 mph. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 73. West wind 5 to 8 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 48. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 76. West wind 6 to 10 mph, with gusts as high as 28 mph.
Saturday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 34.
Sunday
A slight chance of snow before noon. Mostly cloudy, with a high near 51.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
Last Update:
12:32 am MDT Mar 18, 2026
Forecast Valid:
1am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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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