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Harmon Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | | | |  |  |  |  | | | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C |
| POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 633 AM CDT Fri Sep 18 2026 
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Issued: 430 AM CDT Fri Sep 18 2026
Key Messages
Issued at 1135 PM CDT Thu Sep 17 2026- Near record temperatures continue Friday and Saturday.
- Fire weather concerns will continue during periods of stronger winds, especially on Saturday across eastern Oklahoma.
- Shower and thunderstorm chances return Saturday night and increase Sunday through Sunday night as a slow moving cold front passes.
- Noticeably cooler temperatures arrive next week.
Aviation
... (12Z TAFS) Issued at 430 AM CDT Fri Sep 18 2026
VFR conditions will prevail through the...