10-Day Weather Forecast - Lyons, SD

Mostly cloudy with a 40 percent chance of snow. Little or no snow accumulation. Very windy and much cooler with highs in the upper 20s. Northwest winds 30 to 40 mph with gusts up to 60 mph. Wind chill values as low as 15 below in the afternoon.

Clear in the evening then becoming partly cloudy. Windy and much colder. Near steady temperature around 7 above. Northwest winds 20 to 30 mph with gusts up to 40 mph diminishing to 5 to 10 mph after midnight. Wind chill values as low as 14 below.

Partly sunny. Highs in the lower 30s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy and not as cool. Near steady temperature in the upper 20s. South winds 10 to 15 mph becoming northwest after midnight.

Mostly sunny. Highs in the lower 30s.

Mostly clear. Colder with lows 10 to 15.

Mostly sunny. Highs in the mid 30s.

Mostly cloudy and not as cool. Near steady temperature in the upper 20s.

Mostly sunny. Highs in the lower 40s.

Partly cloudy. Lows in the upper 20s.

Partly sunny. Highs in the upper 30s.

Mostly cloudy. Lows in the mid 20s.

Partly sunny. Highs in the upper 30s.

Partly cloudy. Low temperature around 30F. Dew point will be around 29F with an average humidity of 93%. Winds will be 4 mph from the S.

Partly cloudy. High temperature around 37F. Dew point will be around 31F with an average humidity of 87%. Winds will be 2 mph from the SE.

Partly cloudy. Low temperature around 29F. Dew point will be around 29F with an average humidity of 92%. Winds will be 2 mph from the SE.

Partly cloudy. High temperature around 33F. Dew point will be around 26F with an average humidity of 81%. Winds will be 5 mph from the N.

Cloudy. Low temperature around 22F. Dew point will be around 20F with an average humidity of 83%. Winds will be 3 mph from the NW.