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Slack, TX Weather Forecast
Slack, TX Weather Forecast Date: 122 AM CDT Mon Sep 21 2026
The area/counties/county of: Chambers, Winfree.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the upper 70s. Light and variable winds.
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Northeast winds around 5 mph, becoming southeast in the afternoon. Chance of rain 20%. Heat index values up to 105.
Monday Night... Mostly clear. Humid with lows in the upper 70s. South winds around 5 mph in the evening, becoming light and variable.
Tuesday... Sunny, hot with highs in the mid 90s. North winds around 5 mph. Heat index values up to 108.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Heat index values up to 105 early in the evening.
Wednesday... Sunny. Highs in the mid 90s. Heat index values up to 105.
Wednesday Night... Partly cloudy. Lows in the upper 70s.
Thursday... Mostly sunny. Highs in the lower 90s.
Thursday Night... Partly cloudy. Lows in the lower 70s.
Friday... Mostly sunny. Highs around 90.
Friday Night... Partly cloudy. Lows in the lower 70s.
Saturday... Mostly sunny. Highs around 90.
Saturday Night... Partly cloudy. Lows in the mid 70s.
POP = Probability of Precipitation
Slack Radar Loop
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