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

54°F

12°C

Humidity	67%
Wind Speed	SW 7 mph
Barometer	30.29 in
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Wind Chill	52°F (11°C)
Last update	17 Sep 12:35 am MDT

More Information:

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

Extended Forecast for

9 Miles SSW Lead SD

Overnight
Low: 46 °F
Mostly Cloudy
Thursday
High: 66 °F
Slight Chance
Showers then
Showers
Likely
Thursday Night
Low: 47 °F
Showers then
Chance
Showers
Friday
High: 71 °F
Decreasing
Clouds
Friday Night
Low: 46 °F
Slight Chance
T-storms then
Showers
Likely
Saturday
High: 64 °F
Showers
Saturday Night
Low: 43 °F
Showers
Sunday
High: 55 °F
Showers
Sunday Night
Low: 41 °F
Showers
Likely

Detailed Forecast

Overnight

Mostly cloudy, with a low around 46. Calm wind.

Thursday

A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 66. Calm wind becoming southeast around 6 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

Thursday Night

Showers, mainly before midnight. Low around 47. Southeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

Friday

Cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind.

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 46. Calm wind. Chance of precipitation is 70%.

Saturday

Showers, with thunderstorms also possible after noon. High near 64. Light and variable wind. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 90%.

Sunday

Showers and possibly a thunderstorm. Mostly cloudy, with a high near 55.

Sunday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 41.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 64.

Monday Night

A slight chance of showers. Partly cloudy, with a low around 42.