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Harper County, OK Weather Forecast

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Harper County, OK Weather Forecast

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Harper County OK weather - Clear - 65°F
Clear
65°F
Updated 1:54 am
Feels Like 60°F
Humidity 85%
Wind ENE 10 mph
Barometer  30.08 in
Dew Point 61°F
Harper County OK weather - Clear - 18°C
Clear
18°C
Updated 1:54 am
Feels Like 16°C
Humidity 85%
Wind ENE 16 km/h
Barometer  101.8 kPa
Dew Point 16°C
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Harper County Weather Forecast

TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Harper County, OK Weather - Tonight Partly Cloudy Harper County, OK Weather - Monday Chance Of Showers Harper County, OK Weather - Monday Night Partly Cloudy Harper County, OK Weather - Tuesday Partly Sunny Harper County, OK Weather - Tuesday Night Partly Cloudy Harper County, OK Weather - Wednesday Chance Of T-Storm Harper County, OK Weather - Wednesday Night Chance Of T-Storm Harper County, OK Weather - Thursday Chance Of T-Storm Harper County, OK Weather - Thursday Night Chance Of T-Storm Harper County, OK Weather - Friday Chance Of Showers Harper County, OK Weather - Friday Night Chance Of Showers Harper County, OK Weather - Saturday Chance Of Showers
Partly Cloudy Chance of Showers Partly Cloudy Partly Sunny Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers
Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 59°FLo: 15°C Hi: 81°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 80°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
POP: 40% POP: 20% POP: 70% POP: 70% POP: 80% POP: 50% POP: 50% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 535 PM CDT Sun Sep 20 2026 Harper County, OK Weather - WeatherWorld.com

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Issued: 1101 PM CDT Sun Sep 20 2026

Key Messages

Updated at 1053 PM CDT Sun Sep 20 2026
  • Cold front moving through the area today and tonight bringing rain chances and relief from the heat.
  • Strong to isolated severe thunderstorms possible Sunday.

Aviation

... (06Z TAFS) Issued at 1053 PM CDT Sun Sep 20 2026

Low cloud cover is just now starting to develop across portions of northern Oklahoma. Ceilings will remain between 1,000 and 2,500 feet within that stratus deck - mostly MVFR, though can`t rule out brief forays into IFR conditions n...