Weather forecast for: Jefferson IA
Last Update: 4:36 am CDT Sep 25, 2026
Today: Showers, mainly before 3pm. High near 63. Southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Steady temperature around 61. East southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 64. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Cloudy, with a low around 58. Southeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday: Mostly cloudy, with a high near 68. Light east southeast wind.
Sunday Night: Mostly cloudy, with a low around 59.
Monday: Mostly cloudy, with a high near 70.
Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.
Tuesday: Showers, with thunderstorms also possible after 1pm. High near 68. Chance of precipitation is 80%.
Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 68.
Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday: A 40 percent chance of showers. Partly sunny, with a high near 68.