Weather forecast for: Herrin IL
Last Update: 2:05 pm CDT Oct 23, 2026
This Afternoon: Sunny, with a high near 77. East wind 3 to 5 mph.
Tonight: Mostly clear, with a low around 45. Light east southeast wind.
Saturday: Mostly sunny, with a high near 78. Light east southeast wind.
Saturday Night: Mostly clear, with a low around 48. Calm wind.
Sunday: Mostly sunny, with a high near 79. Light and variable wind.
Sunday Night: Mostly cloudy, with a low around 50. Calm wind.
Monday: Partly sunny, with a high near 78. Light and variable wind.
Monday Night: Partly cloudy, with a low around 49. Calm wind.
Tuesday: Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night: Mostly cloudy, with a low around 51. Calm wind.
Wednesday: Mostly sunny, with a high near 78. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night: Mostly clear, with a low around 51. Light south wind.
Thursday: Mostly sunny, with a high near 78. South southwest wind 3 to 8 mph.