Weather WorldDelavan, IL Weather Forecast
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Delavan Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY |
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| Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1037 PM CDT Fri Oct 23 2026 
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Issued: 1204 AM CDT Sat Oct 24 2026
Key Messages
- Temperatures will average 10 to 15 degrees above seasonal normals through most of next week, with only modest cooling toward late week.
- Tranquil weather will continue for several more days, with the only meaningful chance of rain toward the middle of next week.
Discussion
... Issued at 112 PM CDT Fri Oct 23 2026
Omega block pattern remains in place over the CONUS late this week, with an upper level high pressure ridge across the central U.S. bookended by lows over southwest Montana and ...