, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Jul 22

      101° /75°F
      Mostly sunny and very hot
      • Very Good
      • for stargazing
      • Cloud Cover: 20%
      • Precip: 25%
      • Hours of Precip: 0
    • Sun

      Jul 23

      96° /70°
      Mostly cloudy, a t-storm; hot
      • Poor
      • for stargazing
      • Cloud Cover: 76%
      • Precip: 25%
      • Hours of Precip: 1.5
      More
    • Mon

      Jul 24

      93° /67°
      Partly sunny and humid
      • Fair
      • for stargazing
      • Cloud Cover: 27%
      • Precip: 4%
      • Hours of Precip: 0
      More
    • Tue

      Jul 25

      91° /69°
      Periods of clouds and sun
      • Excellent
      • for stargazing
      • Cloud Cover: 12%
      • Precip: 5%
      • Hours of Precip: 0
      More
    • Wed

      Jul 26

      95° /72°
      Partly sunny, a shower; hot
      • Very Good
      • for stargazing
      • Cloud Cover: 58%
      • Precip: 21%
      • Hours of Precip: 1
      More

    Day

    101°Hi RealFeel® 110° Precipitation 6%
    Sunny to partly cloudy and very hot
    • Winds from the
    • SW 10 mph
    • Gusts: 18 mph
    • Max UV Index: 8 (Very High)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    75°Lo RealFeel® 83° Precipitation 25%
    Mainly clear, warm and muggy
    • Winds from the
    • WSW 6 mph
    • Gusts: 14 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 7/22/2016
    High 101° 86° 112° (1901) 88°
    Low 75° 67° 48° (1947) 72°

    Sunrise/Sunset

    • Sunrise: 5:49 AM
    • Sunset: 8:14 PM
    • Duration: 14:25 hr

    Moonrise/Moonset

    • Moonrise: 4:59 AM
    • Moonset: 7:39 PM
    • Duration: 14:40 hr
    Astronomy

    Solunar Information for Mount Vernon, IL

    Sun, Jul 23
    New
    Sun, Jul 30
    First
    Mon, Aug 7
    Full
    Tue, Aug 15
    Last

    Sat. Stargazing