Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Custer, Custer County Airport (KCUT)

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

A Few Clouds

76°F

24°C

Humidity	36%
Wind Speed	E 8 mph
Barometer	30.16 in (1015.0 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	12 Aug 5:53 pm MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles ESE Keystone SD

Tonight
Low: 63 °F
Mostly Clear
then Slight
Chance
T-storms
Wednesday
High: 90 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 65 °F
Slight Chance
T-storms then
Mostly Clear
Thursday
High: 92 °F
Sunny
Thursday Night
Low: 64 °F
Partly Cloudy
Friday
High: 83 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 64 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 83 °F
Partly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 63 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 63. East wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. Southwest wind around 5 mph becoming east in the morning. Winds could gust as high as 15 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. West wind around 5 mph.

Thursday

Sunny, with a high near 92. West wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 20 mph.

Thursday Night

Partly cloudy, with a low around 64. North wind around 5 mph, with gusts as high as 15 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Northwest wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

Friday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64. East wind around 5 mph becoming west in the evening. Winds could gust as high as 15 mph.

Saturday

A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

Saturday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.

Sunday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Monday

A slight chance of showers and thunderstorms. Sunny, with a high near 85.

Monday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 64.

Tuesday

A slight chance of showers and thunderstorms. Sunny, with a high near 86.