Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

50°F

10°C

Humidity	88%
Wind Speed	SW 6 mph
Barometer	30.27 in
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	17 Sep 7:15 am MDT

More Information:

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

Extended Forecast for

5 Miles SSW Lead SD

Today
High: 67 °F
Slight Chance
Showers then
Showers
Tonight
Low: 46 °F
Showers then
Chance
Showers
Friday
High: 71 °F
Mostly Cloudy
Friday Night
Low: 45 °F
Slight Chance
T-storms then
Showers
Likely
Saturday
High: 65 °F
Showers
Saturday Night
Low: 43 °F
Showers
Sunday
High: 56 °F
Showers
Sunday Night
Low: 40 °F
Showers
Monday
High: 65 °F
Showers
Likely

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 67. Southeast wind 3 to 6 mph. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

Tonight

Showers, mainly before midnight. Low around 46. Southeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

Friday

Mostly cloudy, with a high near 71. Calm wind becoming northeast around 5 mph. Winds could gust as high as 15 mph.

Friday Night

A slight chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 70%.

Saturday

Showers, with thunderstorms also possible after noon. High near 65. Light and variable wind. Winds could gust as high as 15 mph. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm. Low around 43. Light southeast wind. Winds could gust as high as 16 mph. Chance of precipitation is 90%.

Sunday

Showers and possibly a thunderstorm. High near 56. Chance of precipitation is 90%.

Sunday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 40.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65.

Monday Night

A slight chance of showers before midnight. Partly cloudy, with a low around 41.

Tuesday

A slight chance of showers. Sunny, with a high near 73.