Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Thunderstorm

77°F

25°C

Humidity	74%
Wind Speed	S 6 mph
Barometer	30.00 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	15 Aug 6:35 pm MDT

More Information:

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

Extended Forecast for

9 Miles NNE Fruitdale SD

Tonight
Low: 64 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 83 °F
Mostly Cloudy
then Severe
Thunderstorms
Saturday Night
Low: 64 °F
Chance
T-storms
Sunday
High: 86 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 61 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 60 °F
Slight Chance
T-storms then
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 64. East wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Some of the storms could be severe. Mostly cloudy, with a high near 83. East wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Night

A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 64. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, then gradually becoming sunny, with a high near 86. East wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. East wind 5 to 15 mph, with gusts as high as 20 mph.

Monday

Mostly sunny, with a high near 86. East wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 60. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 90. East wind 5 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 64.

Wednesday

Sunny, with a high near 94.

Wednesday Night

Mostly clear, with a low around 64.

Thursday

Sunny, with a high near 90.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 62.