Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

69°F

21°C

Humidity	44%
Wind Speed	Calm
Barometer	30.16 in (1014.3 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	15 Jun 7:53 am MDT

More Information:

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

Extended Forecast for

Keystone SD

Today
High: 84 °F
Sunny then
Severe
Thunderstorms
Tonight
Low: 63 °F
Severe
Thunderstorms
then Partly
Cloudy
Monday
High: 78 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 58 °F
Severe
Thunderstorms
then Showers
Tuesday
High: 68 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 53 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 57 °F
Clear
Juneteenth
High: 86 °F
Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 20 mph.

Tonight

Showers and thunderstorms likely before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

Monday

A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 78. Northwest wind around 5 mph becoming northeast in the morning. Winds could gust as high as 20 mph.

Monday Night

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 58. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

Tuesday

Showers and possibly a thunderstorm. High near 68. Calm wind becoming northeast around 5 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 90%.

Tuesday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 74. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

Wednesday Night

Clear, with a low around 57. Northeast wind around 5 mph becoming calm.

Juneteenth

Sunny, with a high near 86.

Thursday Night

Mostly clear, with a low around 65.

Friday

Sunny, with a high near 90.

Friday Night

Mostly clear, with a low around 63.