Areas of Heavy to Excessive Rainfall Which May Bring Flooding

Monsoon moisture will continue to produce areas of heavy to excessive rainfall and potential flooding across the northern Intermountain West today. Debris flows will be possible over recent wildfire burn areas. Heavy to excessive rainfall and flash flooding will be possible across the central Rockies into the south-central Plains and lower Mississippi Valley through Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

75°F

24°C

Humidity	57%
Wind Speed	E 7 mph
Barometer	30.13 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	27 Aug 1:35 pm MDT

More Information:

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

Extended Forecast for

2 Miles S Lead SD

This Afternoon
High: 74 °F
Chance
T-storms
Tonight
Low: 53 °F
Chance
Showers
Thursday
High: 70 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 51 °F
Showers
Likely
Friday
High: 68 °F
Chance
Showers then
Showers
Friday Night
Low: 49 °F
Showers
Likely
Saturday
High: 66 °F
Showers
Likely
Saturday Night
Low: 48 °F
Chance
Showers then
Mostly Clear
Sunday
High: 71 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. Southeast wind around 5 mph, with gusts as high as 15 mph.

Tonight

A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 53. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Thursday

A chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 70. Calm wind becoming southeast around 5 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

Friday

A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 68. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%.

Friday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. North wind around 5 mph becoming west in the evening. Chance of precipitation is 60%.

Saturday

Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 66. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

Saturday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. North wind around 5 mph becoming calm.

Sunday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 71.

Sunday Night

Mostly clear, with a low around 49.

Labor Day

Sunny, with a high near 76.

Monday Night

Mostly clear, with a low around 52.

Tuesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.