Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Ellsworth Air Force Base (KRCA)

Lat: 44.15°NLon: 103.1°WElev: 3278ft.

Partly Cloudy

49°F

9°C

Humidity	76%
Wind Speed	N 16 mph
Barometer	29.83 in (1009.3 mb)
Dewpoint	42°F (6°C)
Visibility	10.00 mi
Wind Chill	43°F (6°C)
Last update	11 Oct 7:55 am MDT

More Information:

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

Extended Forecast for

Box Elder SD

Today
High: 64 °F
Mostly Cloudy
Tonight
Low: 46 °F
Chance
Showers
Columbus Day
High: 59 °F
Mostly Cloudy
then Mostly
Sunny and
Breezy
Monday Night
Low: 40 °F
Chance Rain
and Breezy
Tuesday
High: 57 °F
Chance Rain
Tuesday Night
Low: 41 °F
Chance Rain
Wednesday
High: 57 °F
Chance Rain
Wednesday Night
Low: 42 °F
Rain Likely
Thursday
High: 59 °F
Breezy.
Chance Rain
then Mostly
Sunny

Detailed Forecast

Today

Mostly cloudy, with a high near 64. North wind 9 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 24 mph.

Tonight

A 40 percent chance of showers. Mostly cloudy, with a low around 46. Northeast wind 6 to 9 mph becoming southeast after midnight. Winds could gust as high as 18 mph.

Columbus Day

Cloudy, then gradually becoming mostly sunny, with a high near 59. Breezy, with a southeast wind 6 to 11 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph.

Monday Night

A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 40. Breezy, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 37 mph.

Tuesday

A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 57. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.

Tuesday Night

A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 41. East wind around 5 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.

Wednesday

A 50 percent chance of rain. Mostly cloudy, with a high near 57.

Wednesday Night

Rain likely, mainly before midnight. Mostly cloudy, with a low around 42.

Thursday

A chance of rain before noon. Partly sunny, with a high near 59. Breezy.

Thursday Night

A slight chance of rain before midnight. Partly cloudy, with a low around 37. Breezy.

Friday

Sunny, with a high near 57.

Friday Night

Mostly clear, with a low around 36.