Weather World
Line Park, MO Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Line Park Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | | | |  |  |  |  | | | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 99°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C |
| POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1207 PM CDT Fri Sep 18 2026 
Line Park Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Line Park Weather Map
Line Park Quick Facts
Line Park Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1237 PM CDT Fri Sep 18 2026
Key Messages
- A Heat Advisory continues today through Sunday, with high temperatures 15 to 20 degrees above normal in the middle 90s to near 100 degrees.
- There is a 20-30% chance of showers and storms late this afternoon into this evening across mainly southwest Indiana, northwest Kentucky into the Pennyrile region, and portions of southern Illinois along anD north of Route 13.
- A cooling trend will finally begin early next week with the passage of a cold front, with temperatures by mid week near t...