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Effingham Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY |
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| Partly Cloudy | Mostly Sunny | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Lo: 75°FLo: 24°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C |
| POP: 20% | POP: 90% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 157 AM CDT Fri Sep 18 2026 
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Meteorlogic Glosserator
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Issued: 238 AM CDT Fri Sep 18 2026
Key Messages
- Quiet, Hot Weather Conditions Today
- Showers/Storms on Saturday
- Cold Front Sunday Leads to Cooler Temperatures Through Next Week
Discussion
... Issued at 237 AM CDT Fri Sep 18 2026
594dam H5 heights spread across much of the central CONUS and Gulf Region this morning with a developing trough over the western CONUS. At the surface, high pressure currently sits over the Upper Midwest while a surface cyclone is developing across the Front Range. The dCVA with this western CONUS trough will ...