Heat Wave Continues in the Northeastern Quarter of the U.S.; Excessive Rain May Bring Flooding in the North Central U.S.

The heat wave is expected to peak in the eastern Great Lakes and New England today, and the Ohio Valley and Mid-Atlantic Friday into the weekend. Widespread daily record high temperatures are likely. Heavy to excessive rainfall will be associated with thunderstorms forecast to move across parts of the northern Plains and Upper Midwest today into Friday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

66°F

19°C

Humidity	78%
Wind Speed	E 16 mph
Barometer	30.18 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	20 Jun 1:35 pm MDT

More Information:

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

Extended Forecast for

Nemo SD

This Afternoon
High: 61 °F
Chance
T-storms and
Patchy Fog
Tonight
Low: 49 °F
Chance
T-storms and
Fog
Friday
High: 69 °F
Chance
T-storms and
Fog
Friday Night
Low: 50 °F
T-storms
Likely then
Slight Chance
T-storms
Saturday
High: 78 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 50 °F
Mostly Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 60 °F
Mostly Clear
Monday
High: 91 °F
Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 61. East wind around 6 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before midnight. Widespread fog, mainly between 2am and 4am. Otherwise, cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.

Friday

A 50 percent chance of showers and thunderstorms, mainly after 9am. Widespread fog, mainly before 8am. Otherwise, mostly cloudy, with a high near 69. Calm wind becoming east around 5 mph.

Friday Night

Showers and thunderstorms likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 78. Calm wind becoming northeast around 6 mph.

Saturday Night

Mostly clear, with a low around 50. Light and variable wind.

Sunday

Sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 16 mph.

Sunday Night

Mostly clear, with a low around 60. Southeast wind around 6 mph becoming west after midnight. Winds could gust as high as 16 mph.

Monday

Sunny, with a high near 91.

Monday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 54.