Weather World
Neponset, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Neponset Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  | |  | | |  | | | | |
| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Showers | Showers | Chance of Showers | Chance of Showers | Chance of Showers | Showers | Chance of Showers |
| Hi: 75°FHi: 24°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 81°FHi: 27°C Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 69°FLo: 21°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 70% | POP: 70% | POP: 90% | POP: 90% | POP: 70% | POP: 70% | POP: 40% | POP: 50% | POP: 50% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 221 AM CDT Mon Sep 14 2026 
Neponset Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Neponset Weather Map
Neponset Quick Facts
Neponset Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 145 AM CDT Mon Sep 14 2026
Key Messages
- Active pattern this week with numerous rounds of showers and storms with heavy rain.
- There is a Marginal Risk, Level 1 out of 5, for severe storms this evening into tonight for the western portions of the outlook area. Primary hazards will be heavy rain and isolated damaging winds.
- An elevated flash flood risk may develop mid-week with repeating rounds of storms. There is a moderate chance (50-70%) for parts of the area to see over 2 inches of rainfall with localized areas of 4+ inch...