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Pittsburg, MO Weather Forecast
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Pittsburg Weather Forecast
| OVERNIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | |  |  | | | | |  | |
| Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm |
| Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C |
| POP: 50% | POP: 100% | POP: 100% | POP: 30% | POP: 60% | POP: 50% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 812 PM CDT Tue Sep 08 2026 
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Issued: 639 PM CDT Tue Sep 8 2026
Key Messages
- An Extreme Heat Warning is in effect through this evening for counties west of Highway 65. Maximum afternoon heat index values around 105 to 110. A Heat Advisory has been expanded for much of the area through Wednesday, with heat index values around 100 to 105.
- There is a 60-90% chance of showers and thunderstorms Wednesday afternoon into Thursday. There is a Marginal (1 of 5) risk for isolated strong to severe thunderstorms. Low confidence in the potential for localized heavy rainfa...