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Thornburg, IA Weather Forecast
Thornburg, IA Weather Forecast Date: 146 PM CDT Sun Aug 02 2026
The area/counties/county of: Keokuk, including the city of Sigourney.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the lower 80s. Northeast winds 5 to 10 mph.
Tonight... Mostly clear. Humid with lows in the upper 50s. East winds around 5 mph.
Monday... Sunny with highs in the lower 80s. Southeast winds 5 to 10 mph.
Monday Night... Mostly clear. Humid with lows in the lower 60s. Southeast winds 5 to 10 mph.
Tuesday... Sunny with highs in the upper 80s. South winds around 5 mph.
Tuesday Night... Showers likely with a chance of thunderstorms. Lows in the lower 60s. Highs in the upper 70s. Chance of rain 70%.
Wednesday... Showers likely with a chance of thunderstorms. Lows in the lower 60s. Highs in the upper 70s. Chance of rain 70%.
Thursday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Friday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Friday Night... Mostly clear. Lows in the mid 60s. Highs in the upper 80s.
POP = Probability of Precipitation
Thornburg Radar Loop
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