Weather World
Waterloo High School, WI 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Waterloo High School, WI Weather Forecast
Waterloo High School, WI Weather Forecast Date: 430 PM CDT Tue Aug 11 2026
The area/counties/county of: Jefferson, including the cities of: Watertown, Fort Atkinson, and Jefferson.or toggle through each period.
Late This Afternoon... Partly sunny with a 20% chance of light showers and thunderstorms. Southeast winds up to 5 mph.
Tonight... Partly cloudy with a 20% chance of light showers until early morning, then mostly cloudy early in the morning. Areas of fog after midnight. Lows in the mid 60s. Southeast winds up to 5 mph through around midnight becoming calm.
Wednesday... Partly sunny. Areas of fog in the morning. Patchy smoke late in the afternoon. Slight chance of thunderstorms late in the morning. Slight chance of light showers in the late morning and afternoon. Slight chance of thunderstorms late in the afternoon. Highs in the lower 80s. South winds up to 5 mph. Chance of precipitation 20%.
Wednesday Night... Patchy smoke in the evening. Partly cloudy until early morning, then cloudy with a 40% chance of light showers early in the morning. Lows in the lower 60s. Southeast winds up to 5 mph.
Thursday... Mostly cloudy. Chance of light showers in the morning, then chance of light showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds up to 5 mph. Chance of precipitation 50%.
Thursday Night... Partly cloudy. Lows around 60. Northeast winds 5 to 10 mph.
Friday... Partly sunny. Highs in the upper 70s.
Friday Night... Partly cloudy. Chance of light showers and slight chance of thunderstorms through around midnight, then showers likely and chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 60%.
Saturday... Cloudy. Showers and chance of thunderstorms in the morning, then chance of light showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 80%.
Saturday Night... Mostly cloudy. Light showers likely and chance of thunderstorms through around midnight, then chance of light showers and thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 70%.
Sunday... Mostly cloudy with chance of light showers and slight chance of thunderstorms. Highs in the lower 80s. Chance of precipitation 30%.
Sunday Night... Partly cloudy. Lows in the lower 60s.
Monday... Partly sunny. Highs in the upper 70s.
Monday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
Waterloo High School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...