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Interstate Park Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
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| Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 241 AM CDT Sun Oct 04 2026 
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Issued: 216 AM CDT Sun Oct 4 2026
Key Messages
- Areas of frost for portions of north-central and central WI tonight and Monday morning.
- Minimal precipitation chances throughout much of the week.
- Near to slightly above normal temperatures are expected throughout the week with highs in the 60s and 70s.
Discussion
... Issued at 213 AM CDT Sun Oct 4 2026
Today - Monday: Frost Tonight & Monday Morning in North-Central WI
Upper-level northwesterly flow with surface high pressure building into the region will be the main show for Sunday allo...