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      Elev 452 ft, 37.178 °N 89.148 °W

      Olmsted, IL

      Updated: 8:05 PM CDT on September 10, 2026 (GMT -5)
      5 minutes ago
      88°
      71°
      77
      Feels Like 77
      Mostly Cloudy
      N
      5
      Lower temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Fri 09/11
        Low 70°f
        100% Precip. / 2.47 in
        Thunderstorms likely. Rainfall will be locally heavy at times. Low near 70F. Winds light and variable. Chance of rain 100%. 2 to 3 inches of rain expected.
        Tomorrow
        Sat 09/12
        High 82°f
        38% Precip. / 0.03 in
        A few showers early with overcast skies later in the day. High 82F. Winds light and variable. Chance of rain 40%.
        Tomorrow night
        Sat 09/12
        Low 70°f
        35% Precip. / 0.06 in
        Cloudy in the evening, then off and on rain showers after midnight. Low around 70F. Winds light and variable. Chance of rain 40%.
        Hourly Forecast
        Now
        77°
        9PM
        75°
        10PM
        54%
        74°
        11PM
        100%
        74°
        12AM
        100%
        73°
        1AM
        100%
        72°
        2AM
        55%
        72°
        3AM
        33%
        72°
        4AM
        48%
        72°
        5AM
        45%
        71°
        6AM
        43%
        71°
        6:35AM
        Sunrise
        7AM
        38%
        71°
        8AM
        30%
        72°
        9AM
        30%
        73°
        10AM
        30%
        74°
        11AM
        76°
        12PM
        77°
        1PM
        78°
        2PM
        79°
        3PM
        80°
        4PM
        80°
        5PM
        81°
        6PM
        80°
        7PM
        78°
        7:09PM
        Sunset
        8PM
        77°
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point75°F
        5. Humidity 95%
        6. Rainfall 0.04 in
        7. Snow Depth 0 in
        KCIR Station History
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 83°F 99°F 1983
        4. Low 71°F 61°F 45°F 1917
        5. Rain/Snow Depth
        6. Precipitation 2.47 in - in -
        7. Snow 0 in - in -
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 83°F 95°F
        4. Low 71°F 61°F 48°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:35 AM 7:09 PM
        3. Civil Twilight 6:09 AM 7:36 PM
        4. Nautical Twilight 5:38 AM 8:06PM
        5. Astronomical Twilight 5:06 AM 8:38 PM
        1. Length of Visible Light 13h 27m
        2. Length of Day 12h 34m
        3. Tomorrow will be 2 minutes 20 seconds shorter
        1. Moon 7:05 AM 7:20 PM
        2. Waxing Crescent0% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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        Weather Alerts
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