Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

57°F

14°C

Humidity	31%
Wind Speed	W 9 mph
Barometer	29.89 in
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Last update	21 Mar 3:15 am MDT

More Information:

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

Extended Forecast for

4 Miles SSW Lead SD

Red Flag Warning March 21, 03:20am until March 21, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning March 21, 03:20am until March 21, 09:00pm
NOW until 9:00pm Sat
Red Flag Warning
Overnight
Low: 44 °F
Mostly Clear
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 33 °F
Slight Chance
Rain then
Chance
Rain/Snow
Sunday
High: 50 °F
Chance
Rain/Snow
then Slight
Chance
Rain/Snow
Sunday Night
Low: 30 °F
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 35 °F
Mostly Cloudy
Tuesday
High: 58 °F
Partly Sunny

Detailed Forecast

Overnight

Mostly clear, with a low around 44. Southwest wind around 5 mph, with gusts as high as 18 mph.

Saturday

Sunny, with a high near 77. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph.

Saturday Night

A chance of rain before 2am, then a chance of rain and snow between 2am and 4am, then a chance of snow after 4am. Increasing clouds, with a low around 33. East wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Sunday

A chance of rain and snow before noon, then a slight chance of rain between noon and 5pm, then a slight chance of rain and snow after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Sunday Night

Partly cloudy, with a low around 30. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.

Monday

Mostly sunny, with a high near 58. Calm wind becoming northwest around 5 mph. Winds could gust as high as 16 mph.

Monday Night

Mostly cloudy, with a low around 35. Light and variable wind.

Tuesday

Partly sunny, with a high near 58. Calm wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 22 mph.

Tuesday Night

Mostly cloudy, with a low around 40.

Wednesday

Mostly sunny, with a high near 65.