What time is sunset in Mason City today?

Sunset in Mason City is at 6:43 PM local time (America/Chicago) on 2026-10-07.

What phase is the Moon tonight in Mason City?

The Moon is a Waning Crescent and about 9% illuminated.

Astronomical twilight ends at 8:17 PM local time, so the sky is fully dark from then until 5:43 AM.

Moonrise in Mason City is at 3:52 AM and moonset is at 5:18 PM local time.

The aurora is possible from Mason City if the sky is dark and clear; planetary Kp is 2.7.

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Kp2.7

Solar wind346 km/s

X-rayB9.1

StormG0 (Quiet)

Source: NOAA SWPC

2026-10-07 · times in America/Chicago · 43.15°N, 93.20°W

Event	Time
Sunrise	7:17 AM
Sunset	6:43 PM
Day length	11 h 26 min
End of civil twilight	7:11 PM
End of nautical twilight	7:44 PM
End of astronomical twilight	8:17 PM
Night length (sunset to sunrise)	12 h 35 min
Fully dark sky tonight	9 h 26 min
Astronomical twilight starts (morning)	5:43 AM

Moonrise	3:52 AM
Moonset	5:18 PM
Illumination	9.2%
Phase	Waning Crescent
Sublunar point (Moon overhead)	7.18°N, 147.33°W
Sublunar point ground speed	1,603 km/h

Moon values are for the moment this page was generated (19:26 UTC). A moonrise or moonset can be missing on a given date.

Planet	Rise	Set	Meridian	Visibility
Mercury (mag -0.1)	9:33 AM	7:27 PM	2:30 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Venus (mag -4.6)	9:42 AM	6:56 PM	2:19 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Mars (mag 1.1)	1:17 AM	4:03 PM	8:40 AM	Visible about 5 h after dark, highest 56° toward the SE.
Jupiter (mag -1.9)	2:39 AM	4:42 PM	9:41 AM	Visible about 3.8 h after dark, highest 43° toward the SE.
Saturn (mag 0.2)	6:40 PM	7:03 AM	12:54 AM	Visible about 11.5 h after dark, highest 49° toward the S.

Aurora possible

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

NOAA SWPC OVATION model. Full aurora forecast