| NWS Forecast for: Grimes County Issued by: National Weather Service Houston, TX Last Update: 954 AM CDT Wed Jul 15 2026 | |
| Rest Of Today: Mostly sunny late this morning, then becoming mostly cloudy. A chance of showers with isolated thunderstorms. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Tonight: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Thursday: Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Thursday Night: Partly cloudy. Lows in the mid 70s. Southeast winds around 5 mph. Friday: Partly sunny. Humid with highs in the lower 90s. South winds 5 to 10 mph. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 70s. Saturday: Mostly sunny. Highs in the lower 90s. Heat index values up to 105. Saturday Night: Mostly clear. Lows in the mid 70s. Sunday: Sunny. Highs in the lower 90s. Heat index values up to 105. Sunday Night: Mostly clear. Lows in the mid 70s. Monday: Sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon. Monday Night: Mostly clear. Lows in the mid 70s. Tuesday: Sunny. Highs in the mid 90s. Heat index values up to 105 in the afternoon. | |
| Zone Forecast: Grimes County | |
Visit your local NWS office at: https://www.weather.gov/hgx |