| NWS Forecast for: Grimes County Issued by: National Weather Service Houston, TX Last Update: 1053 PM CST Sun Jan 18 2026 | |
| Overnight: Clear, cold with lows in the lower 30s. South winds around 5 mph. Martin Luther King Jr Day: Sunny. Highs in the mid 60s. South winds around 5 mph. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. East winds 5 to 10 mph. Tuesday: Partly sunny. Highs in the lower 60s. East winds 5 to 10 mph. Tuesday Night: Cloudy. A chance of showers after midnight. Not as cool with lows in the lower 50s. Southeast winds 5 to 10 mph. Chance of rain 30 percent. Wednesday: Showers. Highs in the lower 60s. Chance of rain 80 percent. Wednesday Night: Cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 40 percent. Thursday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s. Thursday Night: Mostly cloudy. Lows in the lower 50s. Friday: Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. Friday Night: Cloudy with a 50 percent chance of showers. Cooler with lows around 40. Saturday: Mostly cloudy with a 50 percent chance of showers. Much cooler with highs in the mid 40s. Temperature falling into the lower 40s in the afternoon. Saturday Night: Mostly cloudy. A chance of rain showers in the evening. Colder with lows in the mid 20s. Chance of rain 30 percent. Wind chill values as low as 15. Sunday: Mostly cloudy in the morning, then becoming partly sunny. Highs around 40. Wind chill values as low as 15 in the morning. | |
| Zone Forecast: Grimes County | |
Visit your local NWS office at: https://www.weather.gov/hgx |