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Jefferson County, IA 7-Day Night Weather Forecast
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Jefferson County, IA Weather Forecast
Jefferson County, IA Weather Forecast Date: 216 AM CDT Wed Sep 16 2026
The area/counties/county of: Jefferson, including the city of Fairfield.or toggle through each period.
Today... Cloudy. A chance of showers with a slight chance of thunderstorms after midnight, then showers likely with a chance of thunderstorms this morning. A chance of showers this afternoon. Humid with highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of rain 70%.
Tonight... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds around 5 mph. Chance of rain 50%.
Thursday... Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 70s. North winds around 5 mph. Chance of rain 50%.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 30%.
Friday... A chance of showers in the morning. Mostly sunny. Humid with highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 50%.
Friday Night... Mostly clear in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50%.
Saturday... Showers likely with a chance of thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 70%.
Saturday Night... Showers likely with a chance of thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 70%.
Sunday... Showers likely. Highs in the mid 70s. Chance of rain 70%.
Sunday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50%.
Monday... Mostly cloudy with a 50% chance of showers. Highs in the lower 70s.
Monday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
Jefferson County Radar Loop
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