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

62°F

17°C

Humidity	41%
Wind Speed	SW 6 mph
Barometer	29.66 in (996.5 mb)
Dewpoint	38°F (3°C)
Visibility	10.00 mi
Last update	13 May 2:53 am MDT

More Information:

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

Extended Forecast for

6 Miles NNW Keystone SD

Overnight
Low: 61 °F
Mostly Clear
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 49 °F
Showers
Likely
Wednesday
High: 69 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 42 °F
Showers
Likely
Thursday
High: 58 °F
Showers
Likely
Thursday Night
Low: 40 °F
Chance
Showers then
Mostly Cloudy
Friday
High: 61 °F
Slight Chance
Showers
Friday Night
Low: 38 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 61. Southwest wind around 7 mph, with gusts as high as 24 mph.

Tuesday

Mostly sunny, with a high near 79. Southwest wind around 7 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.

Tuesday Night

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 49. Northeast wind 5 to 7 mph becoming light and variable. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

Wednesday

A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. 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 42. Northwest wind 7 to 10 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

Thursday

Showers likely, mainly after noon. Partly sunny, with a high near 58. Northwest wind 10 to 15 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 8 to 14 mph, with gusts as high as 37 mph.

Friday

A slight chance of showers. Mostly sunny, with a high near 61. Northwest wind 8 to 10 mph, with gusts as high as 32 mph.

Friday Night

Partly cloudy, with a low around 38.

Saturday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 42.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 59.

Sunday Night

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