7-Day Zone Forecast for Grimes County (Text-Only)
NWS Forecast for: Grimes County
Issued by: National Weather Service Houston, TX
Last Update: 1037 PM CDT Fri Jul 24 2026
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Overnight: Mostly clear late this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph.

Saturday: Patchy fog in the morning. Mostly sunny. Hot with highs in the mid 90s. South winds 5 to 10 mph.

Saturday Night: Partly cloudy. Patchy fog after midnight. Lows in the mid 70s. South winds 5 to 10 mph.

Sunday: Patchy fog in the morning. Sunny, hot with highs in the mid 90s. South winds around 5 mph. Heat index values up to 106.

Sunday Night: Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.

Monday: Sunny, hot with highs in the upper 90s. Heat index values up to 110.

Monday Night: Mostly clear. Lows in the mid 70s.

Tuesday: Sunny, hot with highs in the upper 90s. Heat index values up to 110.

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. Heat index values up to 110.

Wednesday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.

Thursday: Mostly sunny. Hot with highs around 100. Heat index values up to 110.

Thursday Night: Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.

Friday: Mostly sunny. Hot with highs around 100. Heat index values up to 110.







Zone Forecast: Grimes County

Visit your local NWS office at: https://www.weather.gov/hgx