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Weather Conditions for Olin, Illinois : Peoria County
Issued: 6:36 am CDT Sep 16, 2026 Latitude: 40.7528149 Longitude: -89.7684373 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
70% chance of thunderstorms on Today 50% chance of thunderstorms on Tonight 50% chance of thunderstorms on Thursday 40% chance of rain on Friday 40% chance of  on Saturday 50% chance of thunderstorms on Sunday 20% chance of rain on Monday Mostly Sunny on Tuesday
High: 82°F Low: 68°F High: 84°F High: 85°F High: 88°F High: 79°F High: 77°F High: 76°F
Low: 67°F Low: 69°F Low: 67°F Low: 63°F Low: 60°F  
Thunderstorms Thunderstorms Thunderstorms Rain Partly Sunny Thunderstorms Rain Mostly Sunny
Current Conditions at
PEORIA - (KPIA)
75°
Partly Cloudy
as of 7:54 PM CDST
Rel. Humidity: 88%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
7 MPH
050° Northeast
Cloud Level(s): Scattered at 9500ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
72°
Mostly Cloudy
as of 8:35 PM CDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
6 MPH
080° East
Cloud Level(s): Broken at 10000ft
Current Conditions at
GALESBURG - (KGBG)
72°
Mostly Cloudy
as of 8:35 PM CDST
Rel. Humidity: 100%
Dew Point: 72°F
Visibility: 7 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
5 MPH
050° Northeast
Cloud Level(s): Broken at 11000ft
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
79°
Mostly Cloudy
as of 8:35 PM CDST
Rel. Humidity: 94%
Dew Point: 77°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
3 MPH
020° North
Cloud Level(s): Broken at 8000ft
70% chance of thunderstorms Today Today... Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 82. Northeast wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

50% chance of thunderstorms Tonight Tonight... A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 68. Light northeast wind.

50% chance of thunderstorms Thursday Thursday... A 50 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy, with a high near 84. Light and variable wind.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 67. North wind around 5 mph becoming light and variable.

40% chance of rain Friday Friday... A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 85. East wind 5 to 7 mph.

30% chance of thunderstorms Friday Night Friday Night... A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. East southeast wind 7 to 9 mph, with gusts as high as 17 mph.

40% chance of  Saturday Saturday... A 40 percent chance of showers. Partly sunny, with a high near 88. South wind around 9 mph, with gusts as high as 17 mph.

70% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

50% chance of thunderstorms Sunday Sunday... A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

50% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

20% chance of rain Monday Monday... A chance of showers. Mostly cloudy, with a high near 77.

20% chance of rain Monday Night Monday Night... A chance of showers. Partly cloudy, with a low around 60.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 76.

Illinois' Warnings, Watches, and AdvisoriesIllinois' Watches, Warnings, and Advisories

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Sun Almanac for Olin, Illinois
Astronomical Sunrise 05:08 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 05:41 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 06:14 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 06:41 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 12 Hours 26 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 7:07 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 7:34 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 8:06 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 8:39 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 13 Hours 20 Minutes
Nautical Rise to Set: 14 Hours 25 Minutes
Astro Rise to Set: 15 Hours 31 Minutes

Click for yearly Sun Almanac for Olin
Moon Almanac for Olin, Illinois
Moon Phase: Waxing Crescent
Moon Illumination: 33%
Moon Age: 5.79 Days
Moon is currently above the horizon
Distance from Moon to Earth: 250,590 miles
Upcoming Lunar Events for
Olin:
Next EventEvent TimeIllum

Moonset:09:42 pm Wed33.2%
Moonrise:01:43 pm Thu39.4%
High Moon:06:05 pm Thu41.1%
Moonset:10:25 pm Thu42.8%
New Moon: Thu Sep 10
First Quarter: Fri Sep 18
Full Moon: Sat Sep 26
Last Quarter: Sat Oct 3
New Moon: Sat Oct 10
Click for Monthly Moon Almanac