7-Day Zone Forecast for Jefferson County (Text-Only)
NWS Forecast for: Jefferson County
Issued by: National Weather Service Louisville, KY
Last Update: 410 PM EST Wed Jan 21 2026




Tonight: Mostly cloudy until early morning then clearing. Lows in the upper 20s. Southwest winds 5 to 15 mph.

Thursday: Mostly sunny. Highs in the upper 30s. Northwest winds up to 10 mph.

Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows around 20. Northwest winds up to 5 mph.

Friday: Colder. Mostly cloudy. Near steady temperature in the lower 20s. North winds 5 to 15 mph.

Friday Night: Colder. Mostly cloudy. Lows around 10. Northeast winds 10 to 15 mph.

Saturday: Cloudy. Chance of snow in the morning, then snow likely in the afternoon. Light snow accumulations. Highs around 17. Chance of snow 60 percent.

Saturday Night: Snow. Snow may be heavy at times. Heavy snow accumulations. Near steady temperature around 15. Chance of snow 80 percent.

Sunday: Cloudy with a 50 percent chance of snow. Highs in the lower 20s.

Sunday Night: Colder. Mostly cloudy. A 20 percent chance of snow showers in the evening. Lows around 4.

Monday: Partly sunny. Highs around 17.

Monday Night: Mostly clear. Lows near zero.

Tuesday: Sunny. Highs in the mid 20s.

Tuesday Night: Not as cold. Mostly cloudy. Lows around 13.

Wednesday: Partly sunny. Highs in the upper 20s.







Zone Forecast: Jefferson County

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