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      River Flood Warning
      until 10:00 PM CDT
      Elev 558 ft, 40.205 °N 89.679 °W

      Mason City, IL

      Mason City Station
      Updated: 2:22 PM CDT on August 25, 2026 (GMT -5)
      1 minute ago
      81°
      55°
      83
      Feels Like 85
      Sunny
      N
      5
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Wed 08/26
      High 81°f
      1% Precip. / 0 in
      Sunshine and clouds mixed. High 81F. Winds light and variable.
      Tonight
      Wed 08/26
      Low 66°f
      23% Precip. / 0 in
      A few clouds. Low 66F. Winds light and variable.
      Tomorrow
      Thu 08/27
      High 87°f62°f
      39% Precip. / 0.06 in
      Partly cloudy with afternoon showers or thunderstorms. A few storms may be severe. High 87F. Winds WSW at 10 to 15 mph. Chance of rain 40%.
      Hourly Forecast
      Now
      80°
      3PM
      80°
      4PM
      80°
      5PM
      80°
      6PM
      79°
      7PM
      77°
      7:40PM
      Sunset
      8PM
      74°
      9PM
      71°
      10PM
      70°
      11PM
      69°
      12AM
      68°
      1AM
      68°
      2AM
      68°
      3AM
      68°
      4AM
      68°
      5AM
      68°
      6AM
      67°
      6:21AM
      Sunrise
      7AM
      68°
      8AM
      71°
      9AM
      75°
      10AM
      79°
      11AM
      82°
      12PM
      84°
      1PM
      85°
      2PM
      36%
      85°
      Precipitation
      36%
      Pollen
      Grass Pollen
      Low
      Air Quality
      61
      Moderate
      UV Index
      7
      High
      Additional Conditions
      1. Pressure 30.04 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point61°F
      5. Humidity 53%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KAAA Station History
      Almanac for August 25, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 81°F 83°F 95°F 1983
      4. Low 55°F 61°F 52°F 1977
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.9 in -
      7. Snow 0 in 0 in -
      Almanac for August 26, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 87°F 83°F 95°F
      4. Low 55°F 61°F 51°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:19 AM 7:41 PM
      3. Civil Twilight 5:51 AM 8:09 PM
      4. Nautical Twilight 5:17 AM 8:43PM
      5. Astronomical Twilight 4:41 AM 9:18 PM
      1. Length of Visible Light 14h 17m
      2. Length of Day 13h 21m
      3. Tomorrow will be 2 minutes 28 seconds shorter
      1. Moon 6:37 PM 3:30 AM
      2. Waxing Gibbous95% of the Moon is Illuminated
      Aug 27
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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