66429 Weather (Grantville, KS)

Weather forecast for: Grantville KS

Last Update: 5:46 pm CDT Sep 18, 2026

Tonight: Mostly clear, with a low around 73. South wind 5 to 10 mph.

Saturday: A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 96. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

Sunday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North wind 5 to 10 mph. Chance of precipitation is 50%.

Monday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 72. North wind 5 to 10 mph.

Monday Night: Mostly cloudy, with a low around 55. Northeast wind 5 to 10 mph.

Tuesday: Partly sunny, with a high near 69. Northeast wind 5 to 10 mph.

Tuesday Night: Partly cloudy, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.

Wednesday: Partly sunny, with a high near 72.

Wednesday Night: Partly cloudy, with a low around 55.

Thursday: A 20 percent chance of showers. Partly sunny, with a high near 74.

Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 57.

Friday: A 20 percent chance of showers. Partly sunny, with a high near 74.