10-Day Weather Forecast - Mount Vernon, SD

Patchy fog in the morning. Mostly cloudy. Highs in the mid 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy in the evening then clearing. Lows in the lower 30s. South winds 10 to 15 mph becoming west after midnight.

Mostly sunny. Highs in the upper 40s. West winds 5 to 10 mph becoming south in the afternoon.

Mostly cloudy. Lows in the upper 30s.

Mostly sunny. Highs in the lower 50s. Temperature falling into the mid 40s in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Breezy and much colder with lows around 10 above.

Sunny windy and much cooler with highs around 20.

Mostly clear in the evening then becoming partly cloudy. Cold with lows around 5 above.

Sunny. Highs in the lower 20s.

Partly cloudy and cold. Near steady temperature around 20. Temperature rising to around 20 after midnight.

Partly sunny. Not as cool with highs around 40.

Clear. Low temperature around 26F. Dew point will be around 18F with an average humidity of 69%. Winds will be 8 mph from the NW.

Mostly sunny. High temperature around 38F. Dew point will be around 21F with an average humidity of 64%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 26F. Dew point will be around 21F with an average humidity of 74%. Winds will be 2 mph from the S.

Partly cloudy. High temperature around 34F. Dew point will be around 22F with an average humidity of 69%. Winds will be 1 mph from the E.

Partly cloudy. Low temperature around 28F. Dew point will be around 23F with an average humidity of 77%. Winds will be 3 mph from the SE.

Cloudy. High temperature around 32F. Dew point will be around 23F with an average humidity of 72%. Winds will be 5 mph from the NW.

Partly cloudy. Low temperature around 22F. Dew point will be around 20F with an average humidity of 81%. Winds will be 5 mph from the N.