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Annawan, IL Weather Forecast
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Annawan Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Partly Cloudy | Chance of Showers | Chance of T-Storm | Showers | Chance of T-Storm | Showers | Showers | Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C Lo: 69°FLo: 21°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C Lo: 61°FLo: 16°C |
| POP: 20% | POP: 50% | POP: 70% | POP: 90% | POP: 90% | POP: 70% | POP: 70% | POP: 40% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 811 PM CDT Sun Sep 13 2026 
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Issued: 611 PM CDT Sun Sep 13 2026
Key Messages
- Active pattern this week to bring numerous rounds of showers and storms with heavy rain possible.
- There is a Marginal Risk, Level 1 out of 5, for severe storms across the western outlook area Monday evening into the overnight hours. Primary hazards will be heavy rain and damaging winds.
- An elevated flash flood risk may develop mid-week with repeating rounds of storms. Rainfall totals over 2 inches are likely for parts of the area, with localized areas of 4+ inches possible, leading t...