Fog and drizzle greeted commuters Monday morning as rivers and streams rise near flood stage because of the melting snow and weekend rain.
An urban and small stream flood advisory was in effect until 1 a.m. today for northern Illinois and a dense fog advisory was issued for
Visibility dropped to a quarter of a mile or less in some areas and to only a few hundred yards in some low lying areas, the weather service said. Patchy fog was still being reported this morning.
Colder air will return this week, with daytime temperatures 6-10 degrees below normal, the weather service said. The high today will be in the lower 40s, then drop into the 30s on Tuesday with a chance of snow showers.
Sunday, .87 inches of rain fell in Chicago -- a record for March 10, according to the weather service. The previous record was .84 inches, set in 1922.