Saturday Jan. 18
Significant afternoon temp drop expected as low pressure passes to the north. Gloomy, but mild to start day. Light rain/drizzle much of morning. Some freezing rain north early. Front passes mid-late morning. Temps peak mid 30s north to around 40 S. Becoming windy and turning much colder in the afternoon, with sporadic flurries. Winds turn W 20-30 mph with higher gusts. Temps drop to the teens and low 20s by evening. Blustery and much colder overnight. Lows dip to the single digits.
Sunday Jan. 19
Blustery and very cold. Variably cloudy with a few flurries. Temps peak near 15 degrees, but W-NW winds 20-30 mph keep wind chills below zero. Snow showers possible along the lake overnight.
Monday Jan. 20
Snow showers likely, mainly along the lake and in NW Indiana. Quite cold. Temps again peak in the mid teens. NW winds 10-20 mph. Clearing IL portion at night. Lows 0 west, to 10 above NW Indiana.
Tuesday Jan. 21
Polar high pressure passes across the area bringing abundant sun. Another cold day before temps moderate. Daytime temps climb to near 20. W winds 10 mph turn SW. Not as cold overnight.
Wednesday Jan. 22
Sunny much of the day, then clouds arrive late. Becoming windy as temps moderate to near freezing by mid afternoon. SW winds increase to 20-30 mph. Cloudy, milder at night. Lows hold in the 20s.
Thursday Jan. 23
Extensive mid level clouds signal the approach of milder air. S winds 15-20 mph help raise temps to near 40. Developing Plains storm brings an influx of moisture. Rain/freezing rain possible overnight.
Friday Jan. 24
Rain overspreads the area as a storm system approaches from the SW. Windy and raw. Temps hover in the mid-upper 30s much of the day. SE winds 20-30 mph. Turning colder late at night.