Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

54°F

12°C

Humidity	42%
Wind Speed	W 10 mph
Barometer	29.56 in (998.7 mb)
Dewpoint	31°F (-1°C)
Visibility	10.00 mi
Wind Chill	51°F (11°C)
Last update	12 Apr 2:52 am MDT

More Information:

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

Extended Forecast for

Ellsworth Air Force Base SD

Red Flag Warning April 12, 03:26am until April 12, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning April 12, 03:26am until April 12, 09:00pm
NOW until 9:00pm Sun
Red Flag Warning
Overnight
Low: 50 °F
Mostly Clear
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 44 °F
Slight Chance
Showers then
Mostly Cloudy
Monday
High: 72 °F
Mostly Sunny
then Chance
Showers and
Breezy
Monday Night
Low: 39 °F
Partly Cloudy
Tuesday
High: 66 °F
Chance
Showers
Tuesday Night
Low: 40 °F
Slight Chance
Showers then
Partly Cloudy
Wednesday
High: 72 °F
Sunny then
Slight Chance
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 50. West wind around 15 mph, with gusts as high as 28 mph.

Sunday

Sunny, with a high near 77. West wind 9 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

Sunday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. North wind 5 to 9 mph becoming south in the evening. Winds could gust as high as 16 mph.

Monday

A 30 percent chance of showers after noon. Sunny, with a high near 72. Breezy, with a southwest wind 7 to 12 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

Monday Night

Partly cloudy, with a low around 39. West wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.

Tuesday

A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 66. West wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

Tuesday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 40. East wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

Wednesday

A slight chance of showers after noon. Mostly sunny, with a high near 72. Southwest wind 6 to 11 mph becoming south in the morning. Winds could gust as high as 23 mph.

Wednesday Night

Partly cloudy, with a low around 45.

Thursday

A chance of showers after noon. Partly sunny, with a high near 68. Breezy.

Thursday Night

Rain and snow showers likely. Mostly cloudy, with a low around 30. Blustery.

Friday

A chance of snow showers. Mostly cloudy, with a high near 45. Breezy.

Friday Night

A chance of snow showers. Mostly cloudy, with a low around 26. Blustery.

Saturday

A chance of rain and snow showers. Partly sunny, with a high near 51.