10-Day Weather Forecast - Union, MO

Partly sunny. Much cooler with highs in the lower 40s. Northwest winds 15 to 20 mph. Gusts up to 45 mph decreasing to 35 mph in the afternoon.

Mostly cloudy. Much cooler with lows in the mid 20s. Northwest winds 5 to 10 mph.

Mostly cloudy. Highs in the lower 40s. South winds around 5 mph.

Mostly cloudy. Not as cool with lows in the mid 30s. South winds around 5 mph becoming southwest after midnight.

Mostly sunny. Highs in the mid 40s.

Mostly cloudy. Lows in the lower 20s. Highs in the mid 30s.

Mostly cloudy. Lows in the lower 20s. Highs in the mid 30s.

Mostly cloudy in the evening then becoming partly cloudy. Cooler with lows around 10 above.

Sunny cooler with highs in the mid 20s.

Partly cloudy. Lows around 15. Highs in the lower 40s.

Partly cloudy. Lows around 15. Highs in the lower 40s.

Mostly cloudy with a 20 percent chance of rain. Not as cool with lows in the mid 20s.

Partly sunny. Highs in the lower 40s.

Cloudy. Low temperature around 36F. Dew point will be around 32F with an average humidity of 85%. Winds will be 6 mph from the S.

Cloudy. High temperature around 50F. Dew point will be around 42F with an average humidity of 84%. Winds will be 6 mph from the SW.

Mostly cloudy. Low temperature around 37F. Dew point will be around 40F with an average humidity of 90%. Winds will be 3 mph from the SW.

Partly cloudy. High temperature around 49F. Dew point will be around 38F with an average humidity of 75%. Winds will be 5 mph from the W.

Mostly clear. Low temperature around 31F. Dew point will be around 30F with an average humidity of 75%. Winds will be 2 mph from the W.