7-Day Zone Forecast for Custer County (Text-Only)
NWS Forecast for: Custer County
Issued by: National Weather Service Norman, OK
Last Update: 1143 PM CDT Mon May 18 2026
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Overnight: Mostly clear late this evening, then becoming partly cloudy. Thunderstorms likely with a chance of showers. Breezy with lows in the mid 50s. South winds 20 to 25 mph, becoming southwest 15 to 20 mph. Chance of rain 70 percent.

Tuesday: Partly sunny. Showers and thunderstorms likely in the morning. Much cooler. Less humid with highs around 70. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.

Tuesday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Wednesday: Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the lower 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Wednesday Night: Cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Chance of rain 70 percent.

Thursday: A chance of thunderstorms. Showers. Highs in the lower 70s. Chance of rain 80 percent.

Thursday Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 50s. Chance of rain 50 percent.

Friday: Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent.

Friday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 50 percent.

Saturday: Mostly cloudy in the morning, then becoming partly sunny. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

Saturday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 50 percent.

Sunday: Mostly cloudy in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

Sunday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent.

Memorial Day: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.







Zone Forecast: Custer County

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