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Gainesville, MO Weather Forecast
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Gainesville Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  | | | | | | | | |
| Sunny | Clear | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Chance of T-Storm |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 71°FLo: 22°C | Hi: 100°FHi: 38°C | Hi: 95°FHi: 35°C Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 69°FLo: 21°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 PM CDT Fri Sep 04 2026 
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Issued: 318 PM CDT Fri Sep 4 2026
Key Messages
- An Extreme Heat Warning is in effect through Sunday due to several consecutive days of Heat Index values 105 degrees or greater for much of the area. Widespread heat impacts are expected to continue through the holiday weekend.
- Hot and dry conditions are worsening drought and increasing fire danger. Though scattered precipitation chances have increased Saturday evening, they remain below 20%, and most will stay completely dry.
Aviation
/18Z TAFS THROUGH 18Z SATURDAY/... Issued at 1224 ...