Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

68°F

20°C

Humidity	28%
Wind Speed	NW 9 G 16 mph
Barometer	29.68 in
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	12 Apr 3:15 pm MDT

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Tonight
Low: 41 °F
Chance
Showers then
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 34 °F
Partly Cloudy
Tuesday
High: 53 °F
Mostly Sunny
then Slight
Chance
Showers
Tuesday Night
Low: 36 °F
Partly Cloudy
Wednesday
High: 59 °F
Mostly Sunny
Wednesday Night
Low: 42 °F
Partly Cloudy
Thursday
High: 56 °F
Mostly Sunny
then Chance
Rain/Snow
Thursday Night
Low: 20 °F
Rain/Snow
then Snow
Showers
Likely

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. West wind 6 to 10 mph becoming south in the evening. Winds could gust as high as 21 mph.

Monday

Mostly sunny, with a high near 58. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

Monday Night

Partly cloudy, with a low around 34. Southwest wind 6 to 15 mph, with gusts as high as 24 mph.

Tuesday

A 20 percent chance of showers after noon. Mostly sunny, with a high near 53. West wind around 7 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

Tuesday Night

Partly cloudy, with a low around 36. North wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 16 mph.

Wednesday

Mostly sunny, with a high near 59. West wind 6 to 8 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 42. Southwest wind 9 to 15 mph, with gusts as high as 29 mph.

Thursday

A chance of rain showers after noon, mixing with snow after 3pm. Mostly sunny, with a high near 56. Southwest wind 13 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

Thursday Night

Rain and snow showers, becoming all snow after 9pm. Mostly cloudy, with a low around 20.

Friday

Snow showers likely. Mostly cloudy, with a high near 29.

Friday Night

A chance of snow showers. Mostly cloudy, with a low around 17.

Saturday

A chance of snow showers. Mostly sunny, with a high near 38.

Saturday Night

A slight chance of snow showers. Partly cloudy, with a low around 24.

Sunday

Sunny, with a high near 50.