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20 °F

Clear

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Observed:

Updated — 12:15 AM CST on February 12, 2012

• Alton
  20 °F - Clear
• St. Charles
  21 °F - Clear
• St. Louis
  21 °F - Clear
• Cahokia
  22 °F - Clear

Sunday

Sunny. High in the lower 30s. West wind around 10 mph.

Sunday Night

Partly cloudy in the evening then becoming mostly cloudy. Low around 20. Light wind in the evening becoming south around 10 mph after midnight.

Monday

Cloudy. Chance of snow in the morning...then snow in the afternoon. Light snow accumulation possible. High in the lower 30s. South wind 10 to 15 mph. Chance of snow 90 percent.

Monday Night

Snow in the evening...then chance of snow after midnight. Light snow accumulation possible. Low in the upper 20s. South wind 10 to 15 mph. Chance of snow near 100 percent.

Tuesday

Mostly cloudy in the morning then becoming partly sunny. High around 40.

Tuesday Night

Partly cloudy. Low in the upper 20s.

Wednesday

Partly sunny. High in the upper 40s.

Wednesday Night

Rain likely. Low in the upper 30s. Chance of rain 60 percent.

Thursday

Mostly cloudy with a 40 percent chance of rain. High in the upper 40s.

Thursday Night and Friday

Partly cloudy. Low in the lower 30s. High in the upper 40s.