Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon. Read More >

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Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

32°F

0°C

Humidity	47%
Wind Speed	NW 16 G 25 mph
Barometer	30.34 in
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Wind Chill	21°F (-6°C)
Last update	19 Apr 6:35 pm MDT

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Tonight

Mostly Clear
and Blustery
then Mostly
Clear
Low: 14 °F
Saturday

Sunny
High: 36 °F
Saturday
Night

Mostly Clear
Low: 22 °F
Sunday

Increasing
Clouds
High: 53 °F
Sunday
Night

Slight Chance
Showers and
Breezy
Low: 32 °F
Monday

Breezy.
Slight Chance
Rain/Snow
then Chance
Showers
High: 47 °F
Monday
Night

Chance
Rain/Snow and
Blustery
Low: 30 °F
Tuesday

Slight Chance
Snow Showers
and Breezy
then Mostly
Sunny
High: 47 °F
Tuesday
Night

Partly Cloudy
Low: 32 °F

Detailed Forecast

Tonight

Mostly clear, with a low around 14. Wind chill values as low as 1. Blustery, with a northwest wind 16 to 21 mph becoming west 8 to 13 mph after midnight. Winds could gust as high as 28 mph.

Saturday

Sunny, with a high near 36. Wind chill values as low as 6. West wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

Saturday Night

Mostly clear, with a low around 22. Wind chill values as low as 12. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 18 mph.

Sunday

Increasing clouds, with a high near 53. Wind chill values as low as 15 early. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

Sunday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 32. Breezy, with a southwest wind 14 to 19 mph becoming northwest 20 to 25 mph after midnight.

Monday

A slight chance of rain and snow showers before noon, then a chance of rain showers. Sunny, with a high near 47. Breezy, with a northwest wind 21 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Monday Night

A chance of rain and snow showers before midnight, then a slight chance of snow showers. Partly cloudy, with a low around 30. Blustery, with a west wind 18 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Tuesday

A slight chance of snow showers before noon. Mostly sunny, with a high near 47. Breezy, with a northwest wind 16 to 20 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

Tuesday Night

Partly cloudy, with a low around 32.

Wednesday

A slight chance of showers after noon. Mostly sunny, with a high near 58.

Wednesday Night

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

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 59.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41.

Friday

Showers likely. Partly sunny, with a high near 51.