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Dowell Lake, IL Weather Forecast
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Dowell Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  | |  | | |  | | |  |
| Chance of T-Storm | Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Partly Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C Lo: 55°FLo: 13°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C |
| POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 931 PM CDT Mon Sep 21 2026 
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Issued: 658 PM CDT Mon Sep 21 2026
Key Messages
- An upper low over the northern plains will continue to roll through the area through Tuesday morning, with mostly light amounts of rain and drizzle. Then expected a precip break for Wednesday thru Friday.
- Pleasant early fall weather is expected for Wednesday through Friday.
Aviation
/00Z TAFS THROUGH 00Z WEDNESDAY/... Issued at 655 PM CDT Mon Sep 21 2026
Widespread low stratus will remain over eastern Iowa and northwest Illinois through tonight into Tuesday AM, leading to periods of MVF...