Denison, TX

Current conditions, hourly and 7-day forecast, and live radar for Denison, TX 75020. Right now: clear, 79°F. Data from the National Weather Service.

• Tonight: Clear. Low around 79, with temperatures rising to around 81 overnight. South wind around 5 mph.
• Thursday: A chance of showers and thunderstorms after 1pm. Sunny. High near 99, with temperatures falling to around 95 in the afternoon. Heat index values as high as 102. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
• Thursday Night: A chance of showers and thunderstorms. Mostly cloudy. Low around 77, with temperatures rising to around 79 overnight. Heat index values as high as 98. East northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
• Friday: A chance of showers and thunderstorms. Mostly sunny. High near 97, with temperatures falling to around 95 in the afternoon. Heat index values as high as 103. South southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
• Friday Night: A slight chance of showers and thunderstorms before 7pm. Clear. Low around 78, with temperatures rising to around 80 overnight. South southeast wind around 5 mph. Chance of precipitation is 20%.
• Saturday: Sunny. High near 100, with temperatures falling to around 98 in the afternoon. South wind 5 to 10 mph.