| NWS Forecast for: Columbia County Issued by: National Weather Service Milwaukee, WI Last Update: 1030 PM CDT Sat Aug 8 2026 |  |
| Tonight: Clear until early morning, then partly cloudy with a 20 percent chance of light showers and thunderstorms early in the morning. Lows in the lower 60s. Southwest winds up to 5 mph. Sunday: Cloudy until late afternoon then becoming partly sunny. Showers likely and chance of thunderstorms in the morning, then chance of light showers and thunderstorms in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph. Chance of precipitation 70 percent. Sunday Night: Partly cloudy with chance of light showers and slight chance of thunderstorms in the evening, then mostly cloudy with chance of light showers in the late evening and early morning. Mostly cloudy early in the morning. Patchy fog after midnight. Lows in the mid 60s. Southeast winds up to 5 mph through around midnight becoming calm. Chance of precipitation 50 percent. Monday: Partly sunny. Patchy fog in the morning. Chance of light showers in the morning, then chance of light showers and thunderstorms in the afternoon. Highs in the lower 80s. East winds up to 5 mph. Chance of precipitation 50 percent. Monday Night: Partly cloudy through around midnight then becoming mostly cloudy. A 40 percent chance of light showers and thunderstorms. Lows in the lower 60s. East winds up to 5 mph. Tuesday: Partly sunny with a 50 percent chance of light showers and thunderstorms. Highs in the lower 80s. Tuesday Night: Partly cloudy with chance of light showers and slight chance of thunderstorms. Lows in the lower 60s. Chance of precipitation 30 percent. Wednesday: Partly sunny with a 30 percent chance of light showers and thunderstorms. Highs around 80. Wednesday Night: Partly cloudy. Slight chance of light rain showers and thunderstorms through around midnight, then slight chance of light rain showers after midnight. Lows around 60. Chance of precipitation 20 percent. Thursday: Partly sunny. Highs in the mid 70s. Thursday Night: Partly cloudy. Lows in the mid 50s. Friday: Partly sunny. A 20 percent chance of light rain showers and thunderstorms in the afternoon. Highs in the lower 70s. Friday Night: Partly cloudy with a 30 percent chance of light rain showers. Lows in the mid 50s. Saturday: Partly sunny. A 20 percent chance of light rain showers and thunderstorms in the morning. Highs in the lower 70s. | |
| Zone Forecast: Columbia County | |
Visit your local NWS office at: https://www.weather.gov/mkx |