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Main Reservoir, TX Weather Forecast
Main Reservoir, TX Weather Forecast Date: 503 PM CDT Fri Aug 28 2026
The area/counties/county of: Inland Cameron, including the cities of: Brownsville and Harlingen.or toggle through each period.
Tonight... Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. Heat index values up to 105 early this evening.
Saturday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 20%. Heat index values up to 111.
Saturday Night... Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. Heat index values up to 105 early in the evening.
Sunday... Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 112.
Sunday Night... Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106 early in the evening.
Monday... Sunny. Highs in the upper 90s. Heat index values up to 110.
Monday Night... Mostly clear. Lows in the upper 70s.
Tuesday... Sunny. Highs in the upper 90s. Heat index values up to 110.
Tuesday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Wednesday... Sunny. Highs in the upper 90s. Heat index values up to 115.
Wednesday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Thursday... Sunny. Highs in the upper 90s. Heat index values up to 115.
Thursday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
POP = Probability of Precipitation
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