Kentucky – Frost coats rooftops and car windows as cold air settles deep into the Ohio Valley, giving Louisville a true winter start to the first full week of 2026. Breath hangs in the air early, but a noticeable shift is already lining up.
According to the National Weather Service in Louisville, temperatures begin the morning in the low 20s, cold enough for icy patches on untreated roads and sidewalks. Calm winds allow the chill to linger, especially along bridges and shaded stretches of I-64, I-65, and I-71.
Sunshine helps later today, lifting highs into the low 40s. Pavement warms and frost melts, but moisture left behind can refreeze after dark. Drivers should stay alert this evening as black ice remains possible in low spots and residential areas.
The pattern flips quickly on Monday. Clear skies and southerly flow push highs into the mid-50s, a sharp rebound from the morning freeze. Snow stays out of the picture, yet the warm-to-cold cycle continues to create slick conditions after sunset where water pools.
By Tuesday, temperatures climb near 60 under mostly cloudy skies. Wednesday stays mild in the upper 50s, making it feel more like early spring than January. Jackets feel optional during the afternoon, though mornings remain cool.
Changes arrive midweek. Clouds thicken Wednesday night, and rain chances increase Thursday. Wet roads could slow travel during commute hours, though winter precipitation is not expected. Keep headlights on and allow extra braking distance on slick pavement.
Looking ahead, meteorologists continue tracking a more active winter pattern later this month across the Great Lakes and Upper Midwest, where heavier snow becomes more likely between January 17 and 30. Kentucky, for now, remains on the milder side of that divide.
Daylight steadily improves too. By late January, Louisville gains nearly 40 extra minutes of sunlight.
Heading out early today or later this week? How slick did roads feel near you?
Five-Day Outlook for Louisville, Kentucky
- Today: Mostly sunny, high near 41°F
- Monday: Sunny, high near 55°F
- Tuesday: Mostly cloudy, high near 60°F
- Wednesday: Partly sunny, high near 58°F
- Thursday: Chance of showers, high near 62°F
