Weather WorldHelena, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Helena Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
 |  | | | | |  | |  |  | | |
| Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Chance of Showers | Showers | Mostly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C |
| POP: 30% | POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 PM CDT Wed Oct 07 2026 
Helena Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Helena Weather Map
Helena Quick Facts
Helena 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...