Find the Best Places in the United States

Compare Cost of Living, Education, Income, Population, and More.

Current Weather Conditions for Jefferson, IL

Mostly sunny, with a high near 86. South southeast wind 5 to 10 mph.
85°F

Conditions

Wind: 5 mph S
Humidity: 26%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM
85° 86° 86° 85° 82° 78° 76° 74° 73° 72° 71° 70° 68°

Upcoming Week

Day Forecast High Low
This Afternoon
Mostly Sunny
Mostly sunny, with a high near 86. South southeast wind 5 to 10 mph.
86°F 70°F
Tonight
Partly Cloudy
Partly cloudy, with a low around 65. Southeast wind around 5 mph.
86°F 70°F
Thursday
Mostly Sunny
Mostly sunny. High near 84, with temperatures falling to around 82 in the afternoon. East wind 5 to 10 mph.
86°F 70°F
Thursday Night
Mostly Cloudy
Mostly cloudy, with a low around 67. East northeast wind around 10 mph.
86°F 70°F
Friday
Mostly Cloudy
Mostly cloudy, with a high near 80. East wind 5 to 10 mph.
86°F 70°F
Friday Night
Mostly Cloudy
Mostly cloudy, with a low around 67.
86°F 70°F
Saturday
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 20%.
86°F 70°F
Saturday Night
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 68.
86°F 70°F
Sunday
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 81.
86°F 70°F
Sunday Night
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 67.
86°F 70°F
Monday
Chance Rain Showers
A chance of rain showers. Mostly sunny, with a high near 81.
86°F 70°F
Monday Night
Slight Chance Rain Showers
A slight chance of rain showers before 1am. Partly cloudy, with a low around 66.
86°F 70°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 82.
86°F 70°F
Tuesday Night
Partly Cloudy
Partly cloudy, with a low around 66.
86°F 70°F
Data provided by weather.gov