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Prophetstown State Park, IL 7-Day Weather Forecast
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Prophetstown State Park Weather Forecast
Prophetstown State Park, IL Weather Forecast Date: 901 AM CDT Tue Aug 04 2026
Weather forecast for Prophetstown State Park, IL
Today Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Rest of Today... Mostly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph. |
Wed Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Wednesday... Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Northeast winds around 5 mph, becoming west in the afternoon. Chance of rain 80%. |
| Thu Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Thursday... Mostly sunny. Humid with highs in the upper 70s. Northeast winds around 5 mph. |
| Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Mostly sunny. Highs in the lower 80s. |
| Sat Hi: 85°FHi: 29°C Lo: 70°F Lo: 21°C |
Saturday... Mostly sunny. Highs in the mid 80s. |
| Sun Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Sunday... Mostly sunny. Highs in the upper 80s. |
Mon Hi: 85°FHi: 29°C |
Monday... Partly sunny. Highs in the mid 80s. |
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