| NWS Forecast for: Grimes County Issued by: National Weather Service Houston, TX Last Update: 538 AM CDT Thu Oct 1 2026 | |
| Today: Partly sunny with a chance of showers and thunderstorms this morning, then mostly cloudy with showers and thunderstorms likely this afternoon. Highs in the lower 90s. South winds 10 to 15 mph. Chance of rain 70 percent. Heat index values up to 107. Tonight: Showers and thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 70 percent. Friday: Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. East winds around 5 mph, becoming northeast in the afternoon. Chance of rain 70 percent. Friday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. Lows around 70. North winds 5 to 10 mph. Chance of rain 70 percent. Saturday: Mostly cloudy. A chance of showers in the morning, then showers in the afternoon. Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 80 percent. Saturday Night: Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent. Sunday: Mostly cloudy with a chance of showers. Highs in the lower 80s. Chance of rain 50 percent. Sunday Night: Mostly cloudy. Lows in the upper 60s. Monday: Mostly sunny. Highs in the lower 80s. Monday Night: Partly cloudy in the evening, then clearing. Lows in the mid 60s. Tuesday: Sunny. Highs in the mid 80s. Tuesday Night: Mostly clear. Lows in the lower 60s. Wednesday: Sunny. Highs in the mid 80s. | |
| Zone Forecast: Grimes County | |
Visit your local NWS office at: https://www.weather.gov/hgx |