| NWS Forecast for: Grimes County Issued by: National Weather Service Houston, TX Last Update: 1108 PM CDT Mon Jun 8 2026 | |
| Overnight: Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph. Wednesday: Mostly sunny. Humid with highs in the lower 90s. South winds 10 to 15 mph. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph. Thursday: Mostly sunny. Highs in the lower 90s. Heat index values up to 105. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Friday: Mostly sunny. Highs in the lower 90s. Heat index values up to 105. Friday Night: Partly cloudy. Lows in the mid 70s. Saturday: Mostly sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon. Saturday Night: Mostly clear. Lows in the upper 70s. Sunday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105 in the afternoon. Sunday Night: Partly cloudy. Lows in the mid 70s. Monday: Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. | |
| Zone Forecast: Grimes County | |
Visit your local NWS office at: https://www.weather.gov/hgx |