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Village of Streamwood, ILStreamwood, IL Weather Forecast
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Streamwood Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Mostly Cloudy | 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 Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 71°FHi: 22°C | Lo: 69°FLo: 21°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 70% | POP: 80% | POP: 40% | POP: 60% | POP: 60% | POP: 60% | POP: 30% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 PM CDT Mon Sep 14 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 129 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...