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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

41°F

5°C

Humidity	87%
Wind Speed	SE 5 mph
Barometer	29.74 in
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	38°F (3°C)
Last update	13 Apr 3:35 am MDT

More Information:

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

Extended Forecast for

8 Miles SSW Lead SD

Overnight
Low: 44 °F
Mostly Cloudy
Monday
High: 57 °F
Mostly Sunny
then Severe
Thunderstorms
Monday Night
Low: 32 °F
Mostly Clear
Tuesday
High: 53 °F
Partly Sunny
then Chance
Showers
Tuesday Night
Low: 33 °F
Slight Chance
Showers then
Mostly Clear
Wednesday
High: 59 °F
Sunny then
Slight Chance
Showers
Wednesday Night
Low: 41 °F
Mostly Clear
Thursday
High: 59 °F
Mostly Sunny
then Showers
Likely
Thursday Night
Low: 18 °F
Rain/Snow
then Snow
Showers
Likely

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 44. Light southwest wind. Winds could gust as high as 17 mph.

Monday

A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Some of the storms could be severe. Mostly sunny, with a high near 57. Southwest wind 5 to 14 mph, with gusts as high as 30 mph.

Monday Night

Mostly clear, with a low around 32. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 29 mph.

Tuesday

A 30 percent chance of showers after noon. Partly sunny, with a high near 53. Light and variable wind becoming west around 6 mph in the morning. Winds could gust as high as 17 mph.

Tuesday Night

A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Light and variable wind. Winds could gust as high as 15 mph.

Wednesday

A 20 percent chance of showers after noon. Sunny, with a high near 59. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 41. Southwest wind 5 to 9 mph, with gusts as high as 29 mph.

Thursday

Showers likely after noon. Mostly sunny, with a high near 59. Southwest wind 9 to 11 mph, with gusts as high as 34 mph.

Thursday Night

Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers likely after midnight. Mostly cloudy, with a low around 18.

Friday

Snow showers likely. Mostly cloudy, with a high near 30.

Friday Night

A chance of snow showers. Mostly cloudy, with a low around 16.

Saturday

A chance of snow showers. Mostly sunny, with a high near 39.

Saturday Night

Partly cloudy, with a low around 23.

Sunday

Sunny, with a high near 55.