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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

61°F

16°C

Humidity 67%
Wind Speed SE 6 mph
Barometer 30.38 in (1024.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Aug 11:53 am MDT
Extended Forecast for

Edgemont SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. Southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 9pm. Partly cloudy, with a low around 56. East wind around 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 78. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 79. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. East wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 9pm. Partly cloudy, with a low around 56. East wind around 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 78. East wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 54. East wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 79. East wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 53. East wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 82. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 57. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 84.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.29°N 103.83°W (Elev. 3589 ft)
Last Update:
9:29 am MDT Aug 23, 2025
Forecast Valid:
12pm MDT Aug 23, 2025-6pm MDT Aug 29, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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