Weather WorldHeller Lake, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Heller Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
 |  | |  | | | | | | |  | |
| Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 80°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 PM CDT Wed Oct 07 2026 
Heller Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Heller Lake Weather Map
Heller Lake Quick Facts
Heller Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 151 PM CDT Wed Oct 7 2026
Key Messages
- Dry fuels and low relative humidity will lead to an elevated risk for afternoon agricultural field fires through Saturday, especially south of the I-72.
- The next widespread chance for rain is late Saturday into Sunday, especially over east central and southeast IL. There is a 40 to 60 percent chance for more than a half inch of rain south of I-70 and a 20 percent chance as far northwest as Taylorville to Danville.
- There is a slight chance for showers late Thursday night into Friday m...