Weather WorldThornburg, IA 7-Day Weather Forecast
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Thornburg Weather Forecast
Thornburg, IA Weather Forecast Date: 911 PM CDT Wed Aug 26 2026
Weather forecast for Thornburg, IA
Tonight Lo: 61°F Lo: 16°C |
Tonight... Mostly clear. Lows in the lower 60s. Northwest winds 5 to 10 mph. |
Thu Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Thursday... Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph. |
| Fri Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Friday... Sunny. Highs in the mid 80s. Light and variable winds, becoming south around 5 mph in the afternoon. |
Sat Hi: 89°FHi: 32°C Lo: 70°F Lo: 21°C |
Saturday... Partly sunny. Highs in the upper 80s. |
Sun Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Sunday... Partly cloudy. Hot. Lows around 70. Highs in the upper 90s. Heat index values up to 105. |
| Mon Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Monday... Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 100 in the afternoon. |
| Tue Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Tuesday... Mostly sunny. Hot with highs in the lower 90s. |
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