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

73°F

23°C

Humidity	25%
Wind Speed	E 13 G 18 mph
Barometer	29.74 in
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Last update	21 Mar 1:55 pm 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, 02:08pm until March 21, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning March 21, 02:08pm until March 21, 09:00pm
NOW until 9:00pm Sat
Red Flag Warning
This Afternoon
High: 77 °F
Mostly Sunny
Tonight
Low: 31 °F
Chance
Showers then
Rain/Snow
Likely
Sunday
High: 50 °F
Chance
Rain/Snow
then Sunny
Sunday Night
Low: 30 °F
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 35 °F
Mostly Cloudy
Tuesday
High: 59 °F
Mostly Cloudy
Tuesday Night
Low: 40 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 77. Southwest wind around 10 mph, with gusts as high as 23 mph.

Tonight

Rain likely, possibly mixed with snow showers, becoming all snow after 5am. Mostly cloudy, with a low around 31. Northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday

A chance of snow showers, mixing with rain after 10am, then gradually ending. Cloudy through mid morning, then gradual clearing, with a high near 50. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 23 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 21 mph.

Monday

Mostly sunny, with a high near 58. Calm wind becoming west around 5 mph. Winds could gust as high as 15 mph.

Monday Night

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

Tuesday

Mostly cloudy, with a high near 59. Calm wind becoming northwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

Tuesday Night

Mostly cloudy, with a low around 40. North wind around 6 mph becoming south in the evening. Winds could gust as high as 18 mph.

Wednesday

Mostly sunny, with a high near 65.