Weather WorldProgress Park, IL Weather Forecast
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Progress Park Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  |  |  | | | | | |
| Partly Cloudy | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Clear | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 65°FLo: 18°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C |
| POP: 20% | POP: 90% | POP: 90% | POP: 50% | POP: 20% | POP: 50% | POP: 50% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 927 PM CDT Mon Sep 07 2026 
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Issued: 1057 PM CDT Mon Sep 7 2026
Key Messages
- Hot conditions resume tomorrow and peak in some areas Wednesday as humidity increases, but a cold front may limit how much of the area sees truly impactful heat and humidity.
- Confidence is growing in a round of widespread showers and thunderstorms from late Wednesday afternoon through early Thursday morning. Locally heavy rain and occasional strong downburst winds are the most likely hazards.
Aviation
/00Z TAFS THROUGH 06Z WEDNESDAY/... Issued at 1046 PM CDT Mon Sep 7 2026
Dry VFR condi...