Columbus Junct 1 N Realtime Data

× Extreme Heat Watch
Until 2026-07-24T09:45:00-05:00 • National Weather Service
* WHAT...Dangerously hot conditions with heat index values up to 106 possible. Little relief will be seen Sunday night with low temperatures of 75 to 80. * WHERE...Portions of northwest and west central Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.