Todays weather in Omaha Nebraska - Wednesday - 20 May 2026

(00:00:00) Todays weather in Omaha Nebraska - Wednesday - 20 May 2026 (00:00:29) Today's Mild Conditions (00:01:10) Severe Threat Has Passed (00:01:37) Weekend Outlook (00:01:59) Frost Protection Reminder After a week of tornado warnings and severe weather watches, Omaha gets a split forecast on Wednesday: a genuine frost advisory and a genuinely mild afternoon. A frost advisory is in effect from 1 AM through 8 AM Wednesday, with overnight lows dropping to the mid-thirties. Clearing skies and nearly calm winds mean heat escapes fast overnight — tender plants left uncovered are at real risk. Cover your garden tonight, not in the morning.The daytime picture is a welcome contrast. Wednesday's high reaches near 64°F under a mix of clouds and sun, with light east-northeast winds of 5 to 10 mph. No precipitation is expected, and the roads are clear. If your commute has been stressful all week, today is the easy one.Dress in layers. The gap between that mild afternoon high and the overnight frost-level low is significant — what you reach for on the way out the door this morning will feel very different from what you need heading home tonight.The storm system that drove the tornado and damaging wind threats earlier this week has moved east and out of the Omaha area. The pattern has genuinely shifted, and the weekend looks quiet and pleasant. A next system is on the horizon but its timing is not yet locked in. For now, the calm is real.Spring on the Great Plains does this — severe outbreak, then frost advisory, then mild weekend. Cover what matters in the garden tonight, layer up, and take the easy day when Omaha offers one.This episode includes AI-generated content.