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Middlegrove, IL Weather Forecast
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Middlegrove Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Sunny |
| Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C |
| POP: 100% | POP: 50% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 452 AM CDT Sun Sep 20 2026 
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Issued: 546 AM CDT Sun Sep 20 2026
Key Messages
- A Marginal Risk (level 1 of 5) of severe weather exists south of the I-72 corridor today. The primary risk will be isolated strong wind gusts during the afternoon and early evening.
- Much cooler weather will be on tap this week as high temperatures drop into the 60s everywhere north of I-70 Monday through Wednesday.
Discussion
... Issued at 322 AM CDT Sun Sep 20 2026
A 25-30kt 850mb jet streak oriented from the Texas panhandle northeastward to Iowa continues to provide the necessary fuel...