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Weather Conditions for Round Grove, Illinois : Whiteside County
Issued: 2:26 pm CDT Oct 7, 2026 Latitude: 41.7850296 Longitude: -89.8720589 View on Google Maps

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This Afternoon Tonight Thursday Friday Saturday Sunday Columbus Day Tuesday
Sunny on This Afternoon Mostly Clear on Tonight Sunny on Thursday 30% chance of rain on Friday Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Columbus Day Partly Sunny on Tuesday
High: 77°F Low: 49°F High: 73°F High: 76°F High: 83°F High: 78°F High: 78°F High: 64°F
Low: 51°F Low: 61°F Low: 57°F Low: 57°F Low: 50°F  
Sunny Mostly Clear Sunny Rain Sunny Mostly Sunny Mostly Sunny Partly Sunny

Hourly forecast

Round Grove, il · Next 24 hours · Eastern time (EST/EDT)

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Current Conditions at
STERLING ROCK - (KSQI)
79°
Clear
as of 3:56 PM CDST
Rel. Humidity: 34%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
10 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
SAVANNA - (KSFY)
77°
Clear
as of 3:55 PM CDST
Rel. Humidity: 33%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 16 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
79°
Clear
as of 3:56 PM CDST
Rel. Humidity: 31%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
10 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
ALBERTUS AIRPORT - (KFEP)
77°
Clear
as of 3:55 PM CDST
Rel. Humidity: 27%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 23 MPH
320° Northwest
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a steady temperature around 77. Northwest wind around 10 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 49. Northwest wind around 5 mph.

Sunny on Thursday Thursday... Sunny, with a high near 73. West wind around 5 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 51. North wind around 5 mph becoming calm.

30% chance of rain Friday Friday... A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 76.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 61.

Sunny on Saturday Saturday... Sunny, with a high near 83.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 57.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 78.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 57.

Mostly Sunny on Columbus Day Columbus Day... Mostly sunny, with a high near 78.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 50.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 64.

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

Sun Almanac for Round Grove, Illinois
Astronomical Sunrise 05:31 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 06:03 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 06:35 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 07:03 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: 11 Hours 28 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 6:31 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 6:59 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 7:31 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 8:04 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: 12 Hours 24 Minutes
Nautical Rise to Set: 13 Hours 28 Minutes
Astro Rise to Set: 14 Hours 33 Minutes

Click for yearly Sun Almanac for Round Grove
Moon Almanac for Round Grove, Illinois
Moon Phase: Waning Crescent
Moon Illumination: 9%
Moon Age: 26.7 Days
Moon is currently above the horizon
Distance from Moon to Earth: 233,494 miles
Upcoming Lunar Events for
Round Grove:
Next EventEvent TimeIllum

Moonset:05:04 pm Wed8.7%
Moonrise:04:51 am Thu5.9%
High Moon:11:15 am Thu4.6%
Moonset:05:26 pm Thu3.5%
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