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Fosdick, IL Weather Forecast
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Fosdick Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 70% | POP: 60% | POP: 60% | POP: 40% | POP: 50% | POP: 20% | POP: 20% | POP: 30% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 705 PM CDT Mon Sep 14 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 659 PM CDT Mon Sep 14 2026
Key Messages
- Waves of showers and storms are expected in the general region tonight through much of the week.
- While some areas may not see much rain at all, others may experience repeated downpours with a threat for localized flooding.
- The next few days will also be marked by high humidity.
- A gradual pattern change toward cooler, less humid, and drier conditions is favored by next week.
Discussion
... Issued at 129 PM CDT Mon Sep 14 2026
A 1024mb surface high pressure system continues to move throug...