Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Thursday

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

54°F

12°C

Humidity	67%
Wind Speed	SW 9 mph
Barometer	29.70 in
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Wind Chill	51°F (11°C)
Last update	17 May 1:55 am MDT

More Information:

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

Extended Forecast for

5 Miles SSW Lead SD

Overnight
Low: 48 °F
Mostly Clear
Friday
High: 72 °F
Sunny then
Chance
T-storms
Friday Night
Low: 34 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 58 °F
Sunny
Saturday Night
Low: 42 °F
Mostly Clear
Sunday
High: 68 °F
Slight Chance
Showers then
Showers
Likely
Sunday Night
Low: 36 °F
Chance
T-storms
Monday
High: 52 °F
Showers
Likely
Monday Night
Low: 35 °F
Chance
Showers

Detailed Forecast

Overnight

Mostly clear, with a steady temperature around 48. Southwest wind around 5 mph.

Friday

A 50 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 72. Southwest wind 5 to 11 mph, with gusts as high as 29 mph.

Friday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.

Saturday

Sunny, with a high near 58. West wind 7 to 14 mph, with gusts as high as 33 mph.

Saturday Night

Mostly clear, with a low around 42. Southwest wind around 7 mph becoming southeast in the evening. Winds could gust as high as 22 mph.

Sunday

A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 68. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 36. Northwest wind 7 to 9 mph, with gusts as high as 24 mph.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 52. Northwest wind 7 to 9 mph, with gusts as high as 23 mph.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 35.

Tuesday

A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 54.

Tuesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 36.

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 62.

Wednesday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 40.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 58.