Weather WorldDeer Grove, IL Weather Forecast
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Deer Grove Weather Forecast
| REST OF TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  | |  |  |  |  | | | | | |
| Mostly Sunny | Mostly Clear | Sunny | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Mostly Sunny | Mostly Clear | Mostly Clear | Clear |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C | Hi: 59°FHi: 15°C Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C Lo: 35°FLo: 2°C | Lo: 39°FLo: 4°C |
| POP: 90% | POP: 50% | POP: 50% | POP: 90% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 836 AM CDT Mon Oct 12 2026 
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Issued: 624 AM CDT Mon Oct 12 2026
Key Messages
- Unseasonably warm conditions through Tuesday may challenge records. Refer to the climate section for specific numbers. The warm temperatures will also result in an elevated risk for agricultural field fires.
- Two rounds of rain will be seen this week; one Tuesday night into Wednesday and the second Wednesday night into Thursday. Some isolated severe storms are possible Tuesday night, mainly south of Highway 30.
- A significant cool down will be seen by the end of the week. The risk of f...