Olson, IL Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Olson, IL Weather Forecast

Current Conditions

Settings
Olson IL weather  - Mostly Cloudy - 56°F
Mostly Cloudy
56°F
Updated 9:20 pm
Feels Like 57°F
Humidity 77%
Wind N 0 mph
Barometer  30.34 in
Dew Point 49°F
Olson IL weather  - Mostly Cloudy - 13°C
Mostly Cloudy
13°C
Updated 9:20 pm
Feels Like 14°C
Humidity 77%
Wind N 0 km/h
Barometer  102.7 kPa
Dew Point 9°C

Olson Weather Forecast

TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Olson, IL Weather - Tonight Patchy Fog Olson, IL Weather - Monday Patchy Fog Olson, IL Weather - Monday Night Mostly Cloudy Olson, IL Weather - Tuesday Mostly Cloudy Olson, IL Weather - Tuesday Night Mostly Cloudy Olson, IL Weather - Wednesday Partly Cloudy Olson, IL Weather - Wednesday Night Chance Of T-Storm Olson, IL Weather - Thursday Chance Of T-Storm Olson, IL Weather - Thursday Night Chance Of Showers Olson, IL Weather - Friday Chance Of Showers Olson, IL Weather - Friday Night Chance Of Showers Olson, IL Weather - Saturday Chance Of Showers
Patchy Fog Patchy Fog Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers Chance of Showers
Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C Hi: 70°FHi: 21°C
POP: 40% POP: 30% POP: 30% POP: 40% POP: 40% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 551 PM CDT Sun Oct 25 2026 Olson, IL Weather - WeatherWorld.com

Trending Headlines

Olson Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Olson Quick Facts

National Two Day Weather Forecast


E-mail the Olson Weather Forecast

Voice your opinion or tell us about page issues...

Olson Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 655 PM CDT Sun Oct 25 2026

Key Messages

  • A cold front will move across the area tonight leading to low clouds and cooler temperatures tomorrow, especially north of Interstate 80.
  • The relative cool down will be short-lived as high temperatures rebound to the low to mid 70s by the middle of the week.
  • A pattern change toward more opportunities for regular rainfall is set to occur toward the end of the week and into the first week of November.

Discussion

... Issued at 1229 PM CDT Sun Oct 25 2026

The upper-level pattern remains ben...