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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

62°F

17°C

Humidity 73%
Wind Speed NW 3 mph
Barometer 30.28 in (1017.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 12 Jul 5:53 am MDT
Extended Forecast for

21 Miles NNW Edgemont SD

Heat Advisory July 12, 06:32am until July 14, 08:00pm
Red Flag Warning July 12, 10:00am until July 12, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  •  
    Heat Advisory July 12, 06:32am until July 14, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Today

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. Southeast wind 10 to 18 mph, with gusts as high as 29 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Southeast wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Southeast wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Southeast wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Southeast wind 8 to 18 mph, with gusts as high as 28 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 102. Light and variable wind becoming southeast 12 to 17 mph in the morning. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 73. Southeast wind 10 to 18 mph, with gusts as high as 29 mph.
Monday
Sunny and hot, with a high near 102. Southeast wind 10 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 73. Southeast wind 8 to 17 mph, with gusts as high as 28 mph.
Tuesday
Sunny and hot, with a high near 101. Southeast wind 8 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 73. Southeast wind 8 to 18 mph, with gusts as high as 28 mph.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 99.
Friday Night
Mostly clear, with a low around 70.
Saturday
Mostly sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Edgemont SD
 43.56°N 104.06°W (Elev. 3780 ft)
Last Update:
6:22 am MDT Jul 12, 2026
Forecast Valid:
6am MDT Jul 12, 2026-6pm MDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation