Byars Lake, OK 7-Day Night Weather Forecast
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Byars Lake, OK Weather Forecast


Byars Lake, OK Weather Forecast Date: 153 PM CDT Sat Aug 22 2026
The area/counties/county of: Mcclain, including the cities of: Purcell, Newcastle, and Blanchard.or toggle through each period.
This Afternoon... Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs around 101. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Tonight... Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 20%.
Sunday... Mostly sunny. Hot with highs around 104. Southeast winds 5 to 10 mph.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 107 early in the evening.
Monday... Mostly sunny. Hot with highs around 107. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Monday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
Tuesday... Sunny, hot with highs 100 to 105.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20%. Heat index values up to 105 early in the evening.
Wednesday... Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 90s. Chance of rain 20%.
Wednesday Night... Mostly clear with a slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20%.
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 20%.
Thursday Night... Mostly clear. Lows around 70.
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