Hamburg, IL Weather Forecast
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Hamburg Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Patchy Fog | Mostly Clear | Mostly Cloudy | Mostly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Hi: 91°FHi: 33°C Lo: 59°FLo: 15°C | Hi: 91°FHi: 33°C Lo: 59°FLo: 15°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Hi: 80°FHi: 27°C Lo: 61°FLo: 16°C |
| POP: 20% | POP: 20% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 503 AM CDT Fri Oct 09 2026 

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Issued: 329 AM CDT Fri Oct 9 2026
Key Messages
- Near-record temperatures are forecast this afternoon and Monday.
- The remnants of Tropical Cyclone Isaias will bring slightly "cooler" temperatures over the weekend due to clouds, as well as chances of light rain in southeast Missouri and southwest Illinois on Saturday and Saturday night.
Aviation
/00Z TAFS THROUGH 06Z SATURDAY/... Issued at 1019 PM CDT Thu Oct 8 2026
Steam fog is expected to develop this morning, mostly in river valleys and in south-central Illinois. Decreased flight co...
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