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Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

69°F

21°C

Humidity 55%
Wind Speed NW 3 mph
Barometer 30.05 in (1010.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 Aug 7:53 am MDT
Extended Forecast for

Fairburn SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Sunny, with a high near 96. South wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 96 °F

    Sunny then
    Severe
    Thunderstorms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 64. North wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 64 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 97. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. North wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Sunny, with a high near 96. South wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 64. North wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 97. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. North wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly clear, with a low around 62.
Monday
Sunny, with a high near 90.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairburn SD
 43.69°N 103.21°W (Elev. 3399 ft)
Last Update:
6:49 am MDT Aug 13, 2025
Forecast Valid:
8am MDT Aug 13, 2025-6pm MDT Aug 19, 2025
 
Forecast Discussion
 
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Additional Resources

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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