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

57°F

14°C

Humidity	41%
Wind Speed	SW 20 G 29 mph
Barometer	29.60 in
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	12 Apr 12:55 am MDT

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Overnight
Low: 42 °F
Mostly Clear
Sunday
High: 62 °F
Sunny then
Slight Chance
Showers
Sunday Night
Low: 41 °F
Slight Chance
Showers
Monday
High: 57 °F
Chance
Showers
Monday Night
Low: 34 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 53 °F
Chance
Rain/Snow
then Chance
Showers
Tuesday Night
Low: 36 °F
Chance
Showers then
Mostly Clear
Wednesday
High: 58 °F
Chance
Showers
Wednesday Night
Low: 41 °F
Slight Chance
Showers then
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 42. West wind around 18 mph, with gusts as high as 37 mph.

Sunday

A 20 percent chance of showers after noon. Sunny, with a high near 62. West wind 6 to 15 mph, with gusts as high as 30 mph.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 41. Southwest wind 6 to 11 mph becoming southeast in the evening. Winds could gust as high as 23 mph.

Monday

A 40 percent chance of showers, mainly after noon. Sunny, with a high near 57. Southwest wind 11 to 15 mph, with gusts as high as 30 mph.

Monday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 34. West wind 6 to 11 mph, with gusts as high as 24 mph.

Tuesday

A chance of rain and snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 53. West wind around 7 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

Tuesday Night

A 30 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. East wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

Wednesday

A chance of showers, mainly after noon. Sunny, with a high near 58. West wind 7 to 9 mph, with gusts as high as 22 mph.

Wednesday Night

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

Thursday

A slight chance of rain showers before 9am, then rain and snow showers likely. Mostly sunny, with a high near 54.

Thursday Night

Rain and snow showers. Mostly cloudy, with a low around 22.

Friday

Snow showers likely. Mostly cloudy, with a high near 31.

Friday Night

A chance of snow showers. Mostly cloudy, with a low around 19.