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      Frost Advisory
      until 8:00 AM CDT
      Elev 499 ft, 38.360 °N 88.974 °W

      Mount Vernon, IL

      Mount Vernon Station50°
      Mon, Oct 19, 2026
      Monday
      Mon 10/19
      High 74°f
      5% Precip. / 0 in
      Mainly sunny. High 74F. Winds light and variable.
      Monday night
      Mon 10/19
      Low 39°f
      5% Precip. / 0 in
      A mostly clear sky. Low 39F. Winds light and variable.
      Sunrise 7:08 AM
      Sunset 6:12 PM
      Moonrise 2:56 PM
      Moonset 12:08 AM
      Waxing Gibbous, 61% visible
      Hourly Forecast
      7:07AM
      Sunrise
      6:13PM
      Sunset
      12AM
      44°
      1AM
      43°
      2AM
      42°
      3AM
      41°
      4AM
      40°
      5AM
      39°
      6AM
      38°
      7AM
      39°
      8AM
      43°
      9AM
      51°
      10AM
      58°
      11AM
      63°
      12PM
      67°
      1PM
      70°
      2PM
      72°
      3PM
      72°
      4PM
      72°
      5PM
      70°
      6PM
      66°
      7PM
      59°
      8PM
      54°
      9PM
      51°
      10PM
      50°
      11PM
      49°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Clear
      		 44°F 44°F 2% 0in 12% 38°F 79% 1 mph SE 30.4in
      1:00 am
      Clear
      		 43°F 43°F 2% 0in 9% 38°F 82% 1 mph SE 30.39in
      2:00 am
      Clear
      		 42°F 42°F 3% 0in 4% 38°F 84% 1 mph SE 30.39in
      3:00 am
      Clear
      		 41°F 41°F 4% 0in 2% 37°F 87% 0 mph SE 30.39in
      4:00 am
      Clear
      		 40°F 40°F 4% 0in 4% 37°F 89% 0 mph SE 30.4in
      5:00 am
      Clear
      		 39°F 39°F 5% 0in 4% 37°F 91% 0 mph SE 30.4in
      6:00 am
      Clear
      		 38°F 38°F 5% 0in 17% 37°F 94% 0 mph ESE 30.41in
      7:00 am
      Clear
      		 39°F 39°F 5% 0in 7% 37°F 94% 0 mph ESE 30.41in
      8:00 am
      Sunny
      		 43°F 43°F 4% 0in 18% 39°F 87% 0 mph ESE 30.42in
      9:00 am
      Mostly Sunny
      		 51°F 51°F 1% 0in 24% 40°F 68% 1 mph SE 30.42in
      10:00 am
      Mostly Sunny
      		 58°F 58°F 0% 0in 21% 40°F 51% 2 mph SSE 30.42in
      11:00 am
      Sunny
      		 63°F 63°F 0% 0in 15% 39°F 40% 3 mph S 30.41in
      12:00 pm
      Sunny
      		 67°F 67°F 0% 0in 19% 38°F 34% 3 mph S 30.39in
      1:00 pm
      Sunny
      		 70°F 70°F 0% 0in 12% 38°F 30% 3 mph S 30.37in
      2:00 pm
      Sunny
      		 72°F 72°F 0% 0in 15% 38°F 29% 3 mph S 30.34in
      3:00 pm
      Sunny
      		 72°F 72°F 0% 0in 14% 38°F 29% 3 mph S 30.32in
      4:00 pm
      Sunny
      		 72°F 72°F 0% 0in 19% 38°F 29% 4 mph SSE 30.31in
      5:00 pm
      Sunny
      		 70°F 70°F 0% 0in 14% 38°F 30% 3 mph S 30.3in
      6:00 pm
      Sunny
      		 66°F 66°F 0% 0in 16% 39°F 37% 3 mph SSE 30.3in
      7:00 pm
      Clear
      		 59°F 59°F 0% 0in 9% 40°F 50% 1 mph ESE 30.3in
      8:00 pm
      Clear
      		 54°F 54°F 0% 0in 12% 41°F 61% 0 mph E 30.31in
      9:00 pm
      Clear
      		 51°F 51°F 1% 0in 17% 41°F 69% 0 mph E 30.31in
      10:00 pm
      Clear
      		 50°F 50°F 1% 0in 17% 41°F 74% 1 mph E 30.32in
      11:00 pm
      Clear
      		 49°F 49°F 2% 0in 16% 41°F 74% 1 mph E 30.32in
      Additional Conditions
      1. Pressure 30.39 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point44°F
      5. Humidity 81%
      6. Rainfall 0.01 in
      7. Snow Depth 0 in
       KMVN Station History
      Almanac for October 17, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 69°F 67°F 90°F 1938
      4. Low 48°F 44°F 27°F 1991
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.7 in -
      7. Snow 0 in 0 in -
      Almanac for October 18, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 61°F 67°F 90°F
      4. Low 38°F 44°F 20°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:06 AM 6:14 PM
      3. Civil Twilight 6:40 AM 6:41 PM
      4. Nautical Twilight 6:09 AM 7:12PM
      5. Astronomical Twilight 5:38 AM 7:42 PM
      1. Length of Visible Light 12h 1m
      2. Length of Day 11h 8m
      3. Tomorrow will be 2 minutes 22 seconds shorter
      1. Moon 1:48 PM 11:06 PM
      2. Waxing Crescent41% of the Moon is Illuminated
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
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