Weather World
Lmc, TX 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Lmc, TX Weather Forecast
Lmc, TX Weather Forecast Date: 609 AM CDT Sun Sep 06 2026
The area/counties/county of: Collin, including the cities of: Plano, Mckinney, Allen, and Frisco.or toggle through each period.
Today... Sunny. A less than 20% chance of showers and thunderstorms this afternoon. Hot with highs around 100. Southeast winds 5 to 10 mph. Heat index values up to 105.
Tonight... Clear. A slight chance of showers in the evening. Lows in the upper 70s. South winds around 5 mph. Chance of rain less than 20%.
Labor Day... Sunny, hot with highs around 100. Southeast winds 5 to 10 mph. Heat index values up to 106.
Monday Night... Mostly clear. Lows in the upper 70s. Southeast winds 5 to 10 mph.
Tuesday... Sunny, hot with highs around 100. South winds 5 to 10 mph. Heat index values up to 109 in the afternoon.
Tuesday Night... Mostly clear. Lows in the upper 70s.
Wednesday... Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon.
Wednesday Night... Mostly clear. Lows in the upper 70s.
Thursday... Sunny, hot with highs in the upper 90s. Heat index values up to 105.
Thursday Night... Partly cloudy. A 20% chance of showers and thunderstorms in the evening. Lows in the upper 70s.
Friday... Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 105.
Friday Night... Partly cloudy in the evening, then clearing. Lows in the mid 70s.
POP = Probability of Precipitation
Lmc Radar Loop
Use the map search tool if you want to place a location marker on the radar map...