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Kp2.7
Solar wind348 km/s
X-rayB9.4
StormG0 (Quiet)
Source: NOAA SWPC

Astronomy & Aurora Tonight in Lemont, IL

2026-10-07 · times in America/Chicago · 41.67°N, 88.00°W

Sunrise, Sunset & Twilight

EventTime
Sunrise6:55 AM
Sunset6:23 PM
Day length11 h 28 min
End of civil twilight6:51 PM
End of nautical twilight7:23 PM
End of astronomical twilight7:55 PM
Night length (sunset to sunrise)12 h 33 min
Fully dark sky tonight9 h 29 min
Astronomical twilight starts (morning)5:24 AM

Moon

Moonrise3:32 AM
Moonset4:56 PM
Illumination9.2%
PhaseWaning Crescent
Sublunar point (Moon overhead)7.22°N, 145.16°W
Sublunar point ground speed1,603 km/h

Moon values are for the moment this page was generated (19:17 UTC). A moonrise or moonset can be missing on a given date.

Planets Tonight

PlanetRiseSetMeridianVisibility
Mercury (mag -0.1)9:08 AM7:10 PM2:09 PMNot visible tonight: below the horizon (or too low) while the sky is dark.
Venus (mag -4.6)9:17 AM6:40 PM1:58 PMNot visible tonight: below the horizon (or too low) while the sky is dark.
Mars (mag 1.1)1:00 AM3:38 PM8:19 AMVisible about 5 h after dark, highest 57° toward the SE.
Jupiter (mag -1.9)2:22 AM4:18 PM9:20 AMVisible about 3.8 h after dark, highest 44° toward the E.
Saturn (mag 0.2)6:20 PM6:42 AM12:33 AMVisible about 11.5 h after dark, highest 50° toward the S.

Aurora Tonight

Aurora possible

Lemont is far enough from the equator for aurora. Planetary Kp is 2.7. Seeing it still needs a dark, clear sky.

NOAA OVATION aurora forecast map

NOAA SWPC OVATION model. Full aurora forecast

Nearby Locations

All cities in Illinois · All regions in United States · Astronomy hub