Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Freeze Warning in effect from May 19, 12:00 AM MDT until May 19, 09:00 AM MDT

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Rain

37°F

3°C

Humidity	100%
Wind Speed	W 7 mph
Barometer	30.14 in
Dewpoint	37°F (3°C)
Visibility	9.00 mi
Wind Chill	32°F (0°C)
Last update	18 May 9:15 pm MDT

More Information:

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

Extended Forecast for

Spearfish SD

Freeze Warning May 19, 12:00am until May 19, 09:00am

Click here for hazard details and duration

Freeze Warning

Tonight
Low: 31 °F
Slight Chance
Showers then
Frost
Tuesday
High: 57 °F
Frost then
Sunny
Tuesday Night
Low: 38 °F
Mostly Clear
Wednesday
High: 67 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 64 °F
Partly Sunny
then Showers
Likely
Thursday Night
Low: 43 °F
Showers
Likely
Friday
High: 62 °F
Chance
Showers
Friday Night
Low: 44 °F
Chance
Showers then
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers before 11pm. Widespread frost, mainly after 2am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 31. West wind 5 to 9 mph, with gusts as high as 16 mph.

Tuesday

Widespread frost before 8am. Otherwise, sunny, with a high near 57. Northwest wind 5 to 7 mph, with gusts as high as 17 mph.

Tuesday Night

Mostly clear, with a low around 38. Calm wind becoming south 5 to 7 mph in the evening. Winds could gust as high as 16 mph.

Wednesday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 67. South wind 5 to 7 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

Wednesday Night

Partly cloudy, with a low around 43. Southeast wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 15 mph.

Thursday

Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 64. Light and variable wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

Friday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 62.

Friday Night

A chance of showers before midnight. Partly cloudy, with a low around 44.

Saturday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 73.

Saturday Night

Mostly clear, with a low around 50.

Sunday

Sunny, with a high near 82.

Sunday Night

Mostly clear, with a low around 55.