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.

Fair

47°F

8°C

Humidity 46%
Wind Speed N 3 mph
Barometer 29.97 in (1011.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Mar 11:53 pm MDT
Extended Forecast for

4 Miles WNW Custer State Park SD

Red Flag Warning March 18, 10:00am until March 18, 07:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northwest wind 10 to 14 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. West wind 10 to 16 mph, with gusts as high as 32 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Northwest wind 7 to 14 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. West wind 7 to 9 mph, with gusts as high as 24 mph.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. West wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. West wind 7 to 9 mph, with gusts as high as 24 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. West wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. West wind 8 to 11 mph, with gusts as high as 26 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Northwest wind 10 to 14 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 68. West wind 10 to 16 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 42. Northwest wind 7 to 14 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 69. West wind 7 to 9 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 46. West wind 6 to 9 mph, with gusts as high as 16 mph.
Friday
Mostly sunny, with a high near 73. West wind 7 to 9 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 49. West wind 6 to 9 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 76. West wind 8 to 11 mph, with gusts as high as 26 mph.
Saturday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 50.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Custer State Park SD
 43.74°N 103.48°W (Elev. 5600 ft)
Last Update:
9:22 pm MDT Mar 17, 2026
Forecast Valid:
11pm MDT Mar 17, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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