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City of Weirton, West VirginiaWeirton, WV Weather Forecast
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Weirton Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | |  |  |  | |  | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Clear | Chance of Showers | Chance of T-Storm | Showers | Showers | Chance of T-Storm | Chance of T-Storm |
| Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C |
| POP: 70% | POP: 60% | POP: 70% | POP: 50% | POP: 30% | POP: 80% | POP: 80% | POP: 70% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 PM EDT Wed Sep 16 2026 
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Issued: 146 PM EDT Wed Sep 16 2026
Key Messages
1) A few waves of showers and thunderstorms this afternoon through Thursday offer risks for flash flooding alongside a nominal wind threat.
2) Unsettled weather returns late Saturday into next week.
Discussion
... KEY MESSAGE 1... As southerly to southwesterly surface flow continues to push area dewpoints into the upper 60s to lower 70s, moist westerly flow ahead of an incoming shortwave is helping to push area above 1.8" north of I-70 (as low as 1.5" south). This warm, moist airmass (w...