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

83°F

28°C

Humidity	15%
Wind Speed	SW 7 mph
Barometer	29.60 in (1000.3 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	11 Apr 2:52 pm MDT

More Information:

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

Extended Forecast for

8 Miles SW Blackhawk SD

Red Flag Warning April 11, 03:23pm until April 12, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning April 11, 03:23pm until April 12, 09:00pm
NOW until 9:00pm Sun
Red Flag Warning
Tonight
Low: 45 °F
Isolated
T-storms then
Mostly Clear
Sunday
High: 73 °F
Sunny
Sunday Night
Low: 44 °F
Partly Cloudy
Monday
High: 71 °F
Mostly Sunny
Monday Night
Low: 37 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 60 °F
Chance
Rain/Snow
then Chance
Showers
Tuesday Night
Low: 36 °F
Chance
Showers then
Partly Cloudy
Wednesday
High: 67 °F
Mostly Sunny
then Slight
Chance
Showers

Detailed Forecast

Tonight

Isolated showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West wind around 7 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Sunday

Sunny, with a high near 73. West wind 5 to 10 mph, with gusts as high as 28 mph.

Sunday Night

Partly cloudy, with a low around 44. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 22 mph.

Monday

Mostly sunny, with a high near 71. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 30 mph.

Monday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph.

Tuesday

A chance of rain and snow showers before 7am, then a chance of rain showers. Mostly cloudy, with a high near 60. Calm wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tuesday Night

A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 36. North wind around 5 mph becoming calm. Winds could gust as high as 15 mph.

Wednesday

A slight chance of showers after noon. Mostly sunny, with a high near 67. West wind 5 to 8 mph, with gusts as high as 24 mph.

Wednesday Night

Partly cloudy, with a low around 38.

Thursday

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

Thursday Night

Rain and snow showers likely. Mostly cloudy, with a low around 24.

Friday

A chance of snow showers. Partly sunny, with a high near 42.

Friday Night

A slight chance of snow showers. Partly cloudy, with a low around 20.