Fri Feb 21 07:03:37 PM EST 2025 Jefferson- Including the cities of Watertown, Fort Atkinson, and Jefferson 601 PM CST Fri Feb 21 2025 .TONIGHT...Clear. Lows around 8. Southwest winds 5 to 10 mph. .SATURDAY...Mostly sunny. Highs in the upper 20s. Southwest winds 10 to 15 mph. .SATURDAY NIGHT...Partly cloudy until early morning then becoming mostly cloudy. Lows around 18. Southwest winds up to 10 mph. .SUNDAY...Partly sunny. Highs in the upper 30s. Southwest winds up to 10 mph. .SUNDAY NIGHT...Not as cold. Mostly cloudy. A 20 percent chance of light rain after midnight. Lows in the upper 20s. Southwest winds 5 to 10 mph. .MONDAY...Partly sunny. Highs in the mid 40s. .MONDAY NIGHT...Mostly cloudy with a 30 percent chance of light rain. Lows in the lower 30s. .TUESDAY...Partly sunny. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain after midnight. Lows around 30. .WEDNESDAY...Mostly cloudy with light rain likely. Highs in the mid 40s. Chance of rain 60 percent. .WEDNESDAY NIGHT...Mostly cloudy. Chance of light rain through around midnight, then slight chance of light rain and snow after midnight. Lows in the upper 20s. Chance of precipitation 30 percent. .THURSDAY...Partly sunny. Highs in the upper 30s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s. .FRIDAY...Partly sunny. Highs around 40.