Heavy to Excessive Rainfall in the Southeast; Critical Fire Weather in the Northern Plains/Upper Midwest and Southwest

A slow-moving storm system will continue to bring thunderstorms, heavy rain and flooding potential from Southeast Florida, into the Southern to Central Appalachians and the Mid-Atlantic regions today into Wednesday. Gusty winds and dry fuels will support widespread critical fire weather in the northern Plains into the Upper Midwest and the Southwest. 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

60°F

16°C

Humidity	42%
Wind Speed	Calm
Barometer	29.66 in (996.6 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	13 May 3:53 am MDT

More Information:

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

Extended Forecast for

4 Miles NW Keystone SD

Today
High: 74 °F
Mostly Sunny
Tonight
Low: 48 °F
Showers
Likely
Wednesday
High: 64 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 41 °F
Showers
Likely
Thursday
High: 54 °F
Showers
Likely
Thursday Night
Low: 40 °F
Chance
Showers then
Mostly Cloudy
Friday
High: 57 °F
Slight Chance
Showers
Friday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 61 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

Today

Mostly sunny, with a high near 74. Southwest wind around 8 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.

Tonight

A slight chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 48. Northeast wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

Wednesday

A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. West wind 6 to 8 mph, with gusts as high as 23 mph.

Wednesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Northwest wind 8 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Thursday

Showers likely, mainly after noon. Partly sunny, with a high near 54. Northwest wind around 18 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.

Thursday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40. Northwest wind 14 to 17 mph, with gusts as high as 37 mph.

Friday

A 20 percent chance of showers. Mostly sunny, with a high near 57. Northwest wind 11 to 14 mph, with gusts as high as 32 mph.

Friday Night

Partly cloudy, with a low around 38. Northwest wind 5 to 10 mph, with gusts as high as 24 mph.

Saturday

A chance of showers after noon. Mostly sunny, with a high near 61.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 41.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 55.

Sunday Night

Showers and possibly a thunderstorm. Mostly cloudy, with a low around 40.