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

63°F

17°C

Humidity	37%
Wind Speed	W 20 G 26 mph
Barometer	29.71 in
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Last update	12 Apr 9:55 am MDT

More Information:

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

Extended Forecast for

2 Miles SW Lead SD

Today
High: 64 °F
Sunny
Tonight
Low: 42 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 61 °F
Sunny then
Chance
Showers
Monday Night
Low: 36 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 56 °F
Chance
Showers
Tuesday Night
Low: 37 °F
Chance
Showers then
Mostly Clear
Wednesday
High: 62 °F
Chance
Showers
Wednesday Night
Low: 42 °F
Slight Chance
Showers then
Mostly Clear
Thursday
High: 57 °F
Slight Chance
Showers then
Rain/Snow
Likely

Detailed Forecast

Today

Sunny, with a high near 64. West wind 6 to 11 mph, with gusts as high as 26 mph.

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. West wind 5 to 8 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 61. Southwest wind 9 to 11 mph, with gusts as high as 30 mph.

Monday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. West wind 5 to 9 mph, with gusts as high as 24 mph.

Tuesday

A 30 percent chance of showers. Partly sunny, with a high near 56. West wind around 6 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

A 30 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. East wind around 6 mph becoming southwest in the evening. Winds could gust as high as 16 mph.

Wednesday

A 30 percent chance of showers, mainly after noon. Sunny, with a high near 62. Southwest wind around 7 mph, with gusts as high as 22 mph.

Wednesday Night

A slight chance of showers before midnight. Partly cloudy, with a low around 42. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.

Thursday

A slight chance of rain showers before noon, then rain and snow showers likely. Mostly sunny, with a high near 57.

Thursday Night

Rain and snow showers, becoming all snow after 9pm. Mostly cloudy, with a low around 23.

Friday

Snow showers likely. Mostly cloudy, with a high near 35.

Friday Night

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