Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

60°F

16°C

Humidity	86%
Wind Speed	N 5 mph
Barometer	30.34 in (1020.4 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	22 Aug 1:53 am MDT

More Information:

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

Extended Forecast for

Keystone SD

Overnight
Low: 60 °F
Mostly Cloudy
Saturday
High: 80 °F
Partly Sunny
Saturday Night
Low: 63 °F
Chance
T-storms
Sunday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 65 °F
Chance
T-storms then
Mostly Clear
Monday
High: 87 °F
Sunny then
Chance
T-storms
Monday Night
Low: 62 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 81 °F
Slight Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 59 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 60. Calm wind.

Saturday

Partly sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph.

Saturday Night

A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Southeast wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 17 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 65. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 15 mph.

Monday

A 40 percent chance of showers and thunderstorms after noon. Sunny, with a high near 87. West wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 17 mph.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.

Tuesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

Wednesday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 81.

Wednesday Night

Partly cloudy, with a low around 60.

Thursday

Mostly sunny, with a high near 86.

Thursday Night

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