Weather WorldInterstate State Park, WI 7-Day Weather Forecast
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Interstate State Park Weather Forecast
Interstate State Park, WI Weather Forecast Date: 341 PM CDT Wed Sep 09 2026
Weather forecast for Interstate State Park, WI
Tonight Lo: 49°F Lo: 9°C |
Tonight... Clear. Lows in the upper 40s. Northwest winds up to 10 mph in the evening becoming light. |
Thu Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Thursday... Sunny. Highs in the upper 70s. Southwest winds up to 5 mph. |
| Fri Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Friday... Mostly sunny. Highs in the lower 80s. South winds 10 to 20 mph. |
| Sat Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Saturday... Mostly sunny. Highs in the lower 70s. |
Sun Hi: 65°FHi: 18°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy. Chance of rain showers in the afternoon. Highs in the mid 60s. Chance of showers 50%. |
Mon Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Monday... Rain showers in the morning, then rain showers likely in the afternoon. Highs in the lower 70s. Chance of showers 90%. |
Tue Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Tuesday... Partly sunny. Highs in the upper 60s. |
Interstate State Park Radar Loop
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