Weather conditions near Dekalb, IL

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7 day weather forecast

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• Current condition: Fair 54°F 2026-10-06T08:55:00-05:00
• Today 2026-10-06, Sunny. Detail...
• Tonight 2026-10-06, Partly Cloudy. Detail...
• Wednesday 2026-10-07, Sunny. Detail...
• Wednesday Night 2026-10-07, Gradual Clearing. Detail...
• Thursday 2026-10-08, Mostly Sunny. Detail...
• Thursday Night 2026-10-08, Mostly Clear. Detail...
• Friday 2026-10-09, Sunny. Detail...
• Friday Night 2026-10-09, Mostly Clear. Detail...
• Saturday 2026-10-10, Sunny. Detail...
• Saturday Night 2026-10-10, Partly Cloudy. Detail...
• Sunday 2026-10-11, Mostly Sunny. Detail...
• Sunday Night 2026-10-11, Mostly Clear. Detail...
• Columbus Day 2026-10-12, Mostly Sunny. Detail...