Weather forecast for: Allen KY
Last Update: 6:06 pm EDT Sep 18, 2026
Tonight: A 50 percent chance of showers and thunderstorms, mainly before 9pm. Areas of dense fog before 1am, then areas of dense fog after 5am. Otherwise, mostly cloudy, with a low around 68. Calm wind. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday: Areas of dense fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind.
Saturday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after 10pm. Otherwise, mostly clear, with a low around 64. Calm wind. Chance of precipitation is 30%.
Sunday: A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 2pm. Areas of fog before 9am. Otherwise, increasing clouds and hot, with a high near 90. Heat index values as high as 97. Light and variable wind. Chance of precipitation is 30%.
Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Monday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 20%.
Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Tuesday: Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Thursday: A 20 percent chance of showers. Partly sunny, with a high near 73.
Thursday Night: Partly cloudy, with a low around 58.
Friday: Partly sunny, with a high near 73.
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