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Harmon Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Clear | Sunny | Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of Showers |
| Lo: 75°FLo: 24°C | Hi: 101°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C |
| POP: 40% | POP: 70% | POP: 50% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 535 PM CDT Mon Sep 07 2026 
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Issued: 635 PM CDT Mon Sep 7 2026
Key Messages
Updated at 632 PM CDT Mon Sep 7 2026- Ongoing heatwave continues through at least midweek with triple digit heat indices and lows well above normal.
- Very low chances for rain/storms across southeast Oklahoma on Monday.
- Possible pattern shift by late week with less dangerous heating and increasing rain chances late Wednesday into Thursday.
Aviation
... (00Z TAFS) Issued at 635 PM CDT Mon Sep 7 2026
VFR conditions will continue through the TAF period. Cumulus clouds should dissipate around...