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Mount Pulaski, IL Weather Forecast
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Mount Pulaski Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
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| Chance of T-Storm | Chance of Showers | Mostly Cloudy | Partly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Lo: 60°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 112 AM CDT Mon Sep 21 2026 
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Issued: 301 AM CDT Mon Sep 21 2026
Key Messages
- Much cooler weather will prevail this week as high temperatures only reach the 60s and lower 70s everywhere north of I-70 today through Wednesday.
Discussion
... Issued at 301 AM CDT Mon Sep 21 2026
07z/2am surface analysis shows a slow-moving cold front extending from West Virginia to southern Missouri while a 1030mb high pressure is anchored over Ontario. An influx of cooler/drier air from the northeast has led to mostly dry conditions north of the I-72 corridor early this morning. Ho...