Blackhawk, IL Weather Forecast
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Blackhawk Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers | Showers Likely | Chance of T-Storm | Chance of T-Storm | Showers | Showers |
| Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C |
| POP: 40% | POP: 40% | POP: 50% | POP: 60% | POP: 70% | POP: 80% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 221 PM CDT Fri Sep 11 2026 

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Issued: 152 PM CDT Fri Sep 11 2026
Key Messages
- Low chances (10-25%) for showers and storms early Saturday morning, with additional storms possible Saturday afternoon. Isolated strong storms may be possible in northeast Missouri during the afternoon.
- An active pattern with daily chances for showers and storms is in store for the upcoming week. Severe potential is highest for storms on Monday. Due to this, SPC has issued a Slight, level 2 of 5, risk for severe storms on Monday.&&
.SHORT TERM /THROUGH SATURDAY NIGHT/... Issued at 152...
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