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 >

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

64°F

18°C

Humidity	30%
Wind Speed	W 9 mph
Barometer	30.01 in
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	10 Apr 3:55 pm MDT

More Information:

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

Extended Forecast for

3 Miles S Whitewood SD

Tonight
Low: 48 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Saturday
High: 76 °F
Mostly Sunny
Saturday Night
Low: 53 °F
Slight Chance
T-storms then
Slight Chance
Showers and
Breezy
Sunday
High: 68 °F
Sunny and
Breezy then
Mostly Sunny
Sunday Night
Low: 47 °F
Partly Cloudy
Monday
High: 66 °F
Mostly Sunny
then Slight
Chance
Showers
Monday Night
Low: 42 °F
Chance
Showers
Tuesday
High: 55 °F
Showers
Likely
Tuesday Night
Low: 41 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly cloudy, with a low around 48. Breezy, with a south wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.

Saturday

Mostly sunny, with a high near 76. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53. Breezy, with a southwest wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

Sunday

Sunny, with a high near 68. Breezy, with a west wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.

Sunday Night

Partly cloudy, with a low around 47. Northwest wind 7 to 11 mph becoming south in the evening. Winds could gust as high as 18 mph.

Monday

A 20 percent chance of showers after noon. Mostly sunny, with a high near 66. West wind 13 to 16 mph, with gusts as high as 28 mph.

Monday Night

A 40 percent chance of showers. Partly cloudy, with a low around 42. West wind 7 to 11 mph, with gusts as high as 23 mph.

Tuesday

Showers likely, mainly after noon. Partly sunny, with a high near 55. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.

Tuesday Night

A chance of showers, mainly before midnight. Partly cloudy, with a low around 41.