I-26 weather conditions near Johnson City, Tennessee
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 90°F 2025-07-26T19:15:00-04:00
Tonight 2025-07-26, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind.
Sunday 2025-07-27, Patchy Fog then Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night 2025-07-27, Chance T-storms then Slight Chance Showers and Patchy Fog. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. West wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday 2025-07-28, Slight Chance T-storms and Patchy Fog then T-storms Likely. A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Patchy fog before 7am. Otherwise, partly sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night 2025-07-28, T-storms Likely then Slight Chance T-storms and Patchy Fog. Showers and thunderstorms likely, mainly before 8pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Tuesday 2025-07-29, Dense Fog then Chance T-storms. A 30 percent chance of showers and thunderstorms after 2pm. Widespread dense fog, mainly before 7am. Otherwise, mostly sunny and hot, with a high near 94. Calm wind becoming north around 5 mph.
Tuesday Night 2025-07-29, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind.
Wednesday 2025-07-30, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 93.
Wednesday Night 2025-07-30, Chance T-storms. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday 2025-07-31, Chance Showers then Showers. A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.
Thursday Night 2025-07-31, Showers. Showers and thunderstorms. Low around 69. Chance of precipitation is 80%.
Friday 2025-08-01, Showers Likely. Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Friday Night 2025-08-01, Showers Likely. Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday 2025-08-02, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.