Weather World
Barnesville Reservoir Number Three, OH Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Barnesville Reservoir Number Three Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | |  |  |  | | |  |  |  |  |
| Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Clear | Mostly Sunny | Clear | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C |
| POP: 50% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 452 AM EDT Sun Aug 30 2026 
Barnesville Reservoir Number Three Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Barnesville Reservoir Number Three Weather Map
Barnesville Reservoir Number Three Quick Facts
Barnesville Reservoir Number Three Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 200 AM EDT Sun Aug 30 2026
Key Messages
1) Increasing heat and humidity through mid week
2) Periodic shower and thunderstorm chances north of Pittsburgh tonight and continuing early this week, expanding across the entire area by mid week. Severe storms are also possible by mid week.
Discussion
... KEY MESSAGE 1... Model ensembles indicate a ridge will build slowly eastward from the Central CONUS through mid week. The increasing 500mb heights, and srly flow, will begin the increase in heat and humidity later today. The continu...