Illinois – A sharp chill settles over central Illinois, and the air turns biting as temperatures drop toward 30°F, threatening plants and outdoor plumbing. Residents in Champaign and Urbana should expect frost forming on lawns and vehicles by early Tuesday, with sensitive vegetation at risk.
According to the National Weather Service in Lincoln, a Freeze Watch remains in effect through Tuesday morning, with sub-freezing temperatures as low as 30°F expected across central, east central, and west central Illinois . Cities including Champaign, Bloomington, Peoria, and Danville could see frost damage if precautions are not taken.
Conditions stay calm but cool heading into the evening, allowing temperatures to fall quickly after sunset. Winds ease slightly, creating ideal conditions for frost to develop on exposed surfaces, especially in rural and low-lying areas.
By Tuesday afternoon, sunshine returns with highs near the upper 40s, helping thaw frost but leaving the air brisk. Any early moisture could briefly refreeze on shaded roads, so drivers should stay alert during the morning commute, particularly on bridges along I-57 and I-74.
A rapid warmup begins Wednesday, with highs climbing to the upper 60s under partly sunny skies. That spring rebound continues into Thursday, when temperatures approach 70°F and scattered showers develop later in the day.
Protect sensitive plants by covering them or bringing them indoors. Disconnect hoses and check outdoor pipes to prevent damage.
The freeze threat fades after Tuesday morning, but additional spring swings remain likely this week. How cold did it feel in your neighborhood this morning?
Five Day Outlook For Champaign, IL:
Tuesday: Partly sunny, high 47°F
Wednesday: Partly sunny, high 67°F
Thursday: Chance of showers, high 69°F
Friday: Chance of showers, high 67°F
Saturday: Partly sunny, high 73°F



