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Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Sep 21

      95° /67°F
      Mostly sunny, hot and humid
      • Excellent
      • for stargazing
      • Cloud Cover: 4%
      • Precip: 3%
      • Hours of Precip: 0
    • Fri

      Sep 22

      93° /66°
      Mostly sunny, warm and muggy
      • Excellent
      • for stargazing
      • Cloud Cover: 6%
      • Precip: 2%
      • Hours of Precip: 0
      More
    • Sat

      Sep 23

      92° /65°
      Sunshine, warm and muggy
      • Excellent
      • for stargazing
      • Cloud Cover: 1%
      • Precip: 5%
      • Hours of Precip: 0
      More
    • Sun

      Sep 24

      90° /64°
      Mostly sunny, warm and muggy
      • Excellent
      • for stargazing
      • Cloud Cover: 7%
      • Precip: 13%
      • Hours of Precip: 0
      More
    • Mon

      Sep 25

      89° /63°
      Mostly sunny, warm and muggy
      • Excellent
      • for stargazing
      • Cloud Cover: 21%
      • Precip: 10%
      • Hours of Precip: 0
      More
    Thursday
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    Forecast Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Clear
    Temp (°F) 89° 92° 94° 95° 94° 93° 89° 85°
    RealFeel® 106° 107° 105° 106° 101° 99° 96° 90°
    Wind (mph) 5 NNE 6 NE 7 ENE 8 ESE 8 SE 8 SSE 7 SSE 6 SSE
    precip
    12pm
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    Rain
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
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    0%
    Ice
    0%
    0%
    0%
    0%
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    0%
    0%
    SKY
    12pm
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    7pm
    UV Index 11 13 11 8 4 3 1 0
    Cloud Cover 41% 25% 24% 22% 19% 15% 12% 10%
    Humidity 58% 50% 45% 45% 45% 50% 58% 63%
    Dew Point 72° 71° 70° 71° 70° 71° 73° 72°
    Temp °F
    12pm
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    100° 95° 90° 85°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/21/2016
    High 95° 81° N/A 89°
    Low 67° 54° N/A 64°

    Sunrise/Sunset

    • Sunrise: 6:46 AM
    • Sunset: 6:59 PM
    • Duration: 12:13 hr

    Moonrise/Moonset

    • Moonrise: 8:05 AM
    • Moonset: 8:06 PM
    • Duration: 12:01 hr
    Astronomy

    Solunar Information for O'Fallon, IL

    Thu, Sep 28
    First
    Thu, Oct 5
    Full
    Thu, Oct 12
    Last
    Thu, Oct 19
    New

    Thu. Stargazing