Winn-Caldwell-
Including the cities of Winnfield, Clarks, Grayson, and Columbia
627 PM CDT Sat Aug 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT MONDAY...

.TONIGHT...Mostly clear. Lows in the upper 70s. Southwest winds
around 5 mph.
.SUNDAY...Mostly sunny. Hot with highs around 100. West winds
around 5 mph. Heat index values up to 107 in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest
winds around 5 mph.
.MONDAY...Mostly sunny. Hot with highs around 101. West winds
around 5 mph. Heat index values up to 108 in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest
winds around 5 mph.
.TUESDAY...Mostly sunny. Hot with highs around 100. Heat index
values up to 110 in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 70s.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Hot with highs in the upper 90s.
Chance of rain 20 percent. Heat index values up to 105 in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Hot with highs in the upper 90s.
Chance of rain 20 percent. Heat index values up to 105 in the
afternoon.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 70s. Chance of rain
20 percent.
.FRIDAY...Partly cloudy with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Hot with highs in the
upper 90s. Chance of rain 20 percent.
.FRIDAY NIGHT...A slight chance of thunderstorms in the evening.
Mostly clear with a slight chance of showers. Lows in the mid
70s. Chance of rain 20 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Hot with highs
in the upper 90s. Chance of rain 20 percent.