Weather forecast for: Fennimore WI
Last Update: 6:21 pm CDT Sep 17, 2026
Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 59. Northeast wind 6 to 8 mph.
Friday: Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 68. East wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Some of the storms could produce heavy rainfall. Low around 61. East wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. High near 73. Southeast wind around 9 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between 1 and 2 inches possible.
Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 64. Northeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northeast wind 11 to 15 mph, with gusts as high as 23 mph.
Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 61. Northeast wind around 14 mph, with gusts as high as 23 mph.
Monday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 50. Breezy, with a northeast wind 8 to 16 mph.
Tuesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. East wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night: Partly cloudy, with a low around 48. East wind 3 to 7 mph.
Wednesday: Partly sunny, with a high near 66. East wind 5 to 8 mph.
Wednesday Night: Partly cloudy, with a low around 52. Light east wind.
Thursday: Mostly sunny, with a high near 68. Calm wind becoming southeast 5 to 7 mph in the morning.