Illinois River Valley - Weather & Temperatures

Average high and low temperatures in degrees Fahrenheit are listed below for Illinois River Valley. Dress accordingly during your houseboat vacation. If you need additional assistance, please contact us toll-free at 888-454-8825 or click here to submit a request for more guidance. Our friendly and knowledgeable Houseboat Rental Agents are always happy to help.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 30 35 47 60 72 81 85 82 76 64 48 35
Low 13 19 28 37 48 58 63 61 53 41 31 20

 

Current Weather

56.6°F (13.7°C) Mostly Cloudy Feels like 56.6 F (13.7 C) Wind From the NNE at 3.0 MPH Gusting to 5.0 MPH 0.00 in (0 mm) precipitation
Fri Sep 30
67°/58°F (19°/14°C) Chance of a Thunderstorm
Sat Oct 1
69°/54°F (21°/12°C) Chance of Rain
Sun Oct 2
74°/55°F (23°/13°C) Mostly Cloudy