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Thornburg, IA Weather Forecast
Thornburg, IA Weather Forecast Date: 1026 AM CDT Sun Aug 02 2026
The area/counties/county of: Keokuk, including the city of Sigourney.or toggle through each period.
Rest of Today... Sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 60s. Northeast winds around 5 mph.
Monday... Sunny. 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 mid 80s. South winds around 5 mph.
Tuesday Night... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the upper 70s. Chance of rain 70%.
Wednesday... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the upper 70s. Chance of rain 70%.
Wednesday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows around 60. Chance of rain 50%.
Thursday... Partly sunny. Highs in the lower 80s.
Thursday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Friday... Partly cloudy. Highs in the mid 80s. Lows in the mid 60s.
POP = Probability of Precipitation
Thornburg Radar Loop
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