



Lake-Effect Snow Downwind of Lake Ontario; Cold Temperatures in the Across the Northern High Plains
Lake effect snow will continue downwind of Lake Ontario through Monday, potentially dropping up to a foot of snow. A few inches of snow is possible downwind of Lake Erie. Arctic high pressure will usher in well below normal temperatures across the northern High Plains today through Monday. Temperatures are expected to be 20-30 degrees below normal before moderating Tuesday. Read More >
Hazardous Weather Conditions

Current conditions at
Rapid City, Rapid City Regional Airport (KRAP)
Lat: 44.05° N Lon: 103.05° W Elev: 3202 ft.
Light Snow
11°F
-12°C
Humidity | 77% |
Wind Speed | Calm |
Barometer | 30.30 in (1031.2 mb) |
Dewpoint | 5°F (-15°C) |
Visibility | 2.50 mi |
Last update | 10 Feb 3:52 am MST |
Detailed forecast for
Pennington Co Plains
Early This Morning
Mostly cloudy with a 40 percent chance of snow. Near steady temperature 5 to 10 above. Northeast winds around 5 mph.
Today
Cloudy with a 50 percent chance of snow. Snow accumulation around an inch possible. Cooler with highs around 10. Northeast winds 10 to 15 mph with gusts up to 30 mph. Wind chill values around 10 below in the morning.
Tonight
Mostly cloudy with a 20 percent chance of snow. Cold with lows around 5 below. North winds 10 to 15 mph with gusts up to 30 mph, becoming northeast around 5 mph with gusts up to 20 mph after midnight. Wind chill values around 15 below.
Tuesday
Mostly cloudy with a 40 percent chance of snow. Highs 5 to 10 above. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Tuesday Night
Partly cloudy. Cold with lows around 5 below. East winds around 5 mph, becoming northwest after midnight.
Wednesday
Partly cloudy. Highs 10 to 15. Northwest winds 5 to 10 mph with gusts up to 20 mph. Wind chill values around 20 below in the morning.
Wednesday Night
Partly cloudy in the evening, then clearing. Cold with lows around 5 below.
Thursday
Sunny. Highs in the upper 20s.
Thursday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 10.
Friday
Mostly cloudy with a 40 percent chance of snow. Highs in the mid 20s.
Friday Night
Mostly cloudy with a 40 percent chance of snow. Cold with lows near zero.
Saturday
Mostly cloudy. A chance of snow in the morning, then a slight chance of snow in the afternoon. Highs 10 to 15. Chance of snow 40 percent.
Saturday Night
Partly cloudy. A slight chance of snow in the evening. Cold with lows around 5 below. Chance of snow 20 percent.
Sunday
Partly cloudy. Highs in the lower 20s.
Additional Forecasts and Information
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