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County Forecast for Frederick , OK
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122200-
Tillman-
Including the city of Frederick
909 AM CDT Sat Sep 12 2026

...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING...

Rest of today   Sunny, hot with highs around 106. South winds 10 to 15 mph.
Tonight   Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 early in the evening.
Sunday   Sunny, hot with highs around 104. South winds 10 to 15 mph with gusts up to 25 mph.
Sunday night   Clear. Lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph.
Monday   Sunny, hot with highs around 103. South winds 15 to 20 mph with gusts up to 30 mph.
Monday night   Clear. Lows in the upper 70s.
Tuesday   Sunny, hot with highs 100 to 105.
Tuesday night   Clear. Lows in the mid 70s. Heat index values up to 105 early in the evening.
Wednesday   Sunny, hot with highs around 100.
Wednesday night   Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent.
Thursday   Sunny. A slight chance of showers in the morning. Hot with highs around 100. Chance of rain 20 percent.
Thursday night   Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.
Friday   Sunny. A slight chance of showers in the morning. Highs in the mid 90s. Chance of rain 20 percent.
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Bryce Anderson – DTN Meteorologist
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Front Pushing Through Midwest This Weekend

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Posted at 12:14PM Fri Sep 11, 2026 CDT
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