Log In
    Favorites
        Member Settings
      Elev 680 ft, 39.829 °N 88.930 °W

      Decatur, IL

      Saint Mary's Station39°
      Sat, Nov 14, 2026
      Saturday
      Sat 11/14
      High 51°f
      5% Precip. / 0 in
      A mainly sunny sky. High 51F. Winds WNW at 5 to 10 mph.
      Saturday night
      Sat 11/14
      Low 32°f
      5% Precip. / 0 in
      Clear skies. Low 32F. Winds light and variable.
      Sunrise 6:39 AM
      Sunset 4:40 PM
      Moonrise 11:27 AM
      Moonset 8:52 PM
      Waxing Crescent, 24% visible
      Hourly Forecast
      12AM
      32°
      1AM
      32°
      2AM
      30°
      3AM
      30°
      4AM
      30°
      5AM
      29°
      6AM
      29°
      6:39AM
      Sunrise
      7AM
      30°
      8AM
      33°
      9AM
      38°
      10AM
      41°
      11AM
      44°
      12PM
      47°
      1PM
      49°
      2PM
      50°
      3PM
      50°
      4PM
      48°
      4:40PM
      Sunset
      5PM
      45°
      6PM
      41°
      7PM
      39°
      8PM
      38°
      9PM
      37°
      10PM
      36°
      11PM
      35°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Mostly Clear
      		 32°F 27°F 4% 0in 25% 28°F 83% 5 mph NNW 30.14in
      1:00 am
      Mostly Clear
      		 32°F 27°F 4% 0in 23% 27°F 84% 5 mph NNW 30.14in
      2:00 am
      Clear
      		 30°F 26°F 4% 0in 19% 27°F 86% 4 mph NNW 30.15in
      3:00 am
      Clear
      		 30°F 26°F 5% 0in 15% 26°F 85% 4 mph NW 30.16in
      4:00 am
      Clear
      		 30°F 25°F 5% 0in 15% 26°F 86% 4 mph NW 30.17in
      5:00 am
      Clear
      		 29°F 25°F 5% 0in 16% 26°F 87% 4 mph WNW 30.18in
      6:00 am
      Clear
      		 29°F 24°F 6% 0in 17% 26°F 89% 5 mph WNW 30.19in
      7:00 am
      Sunny
      		 30°F 24°F 5% 0in 17% 27°F 88% 5 mph WNW 30.2in
      8:00 am
      Sunny
      		 33°F 28°F 4% 0in 17% 28°F 82% 6 mph WNW 30.21in
      9:00 am
      Sunny
      		 38°F 32°F 2% 0in 16% 29°F 71% 7 mph WNW 30.22in
      10:00 am
      Sunny
      		 41°F 36°F 1% 0in 13% 29°F 61% 8 mph WNW 30.21in
      11:00 am
      Sunny
      		 44°F 39°F 0% 0in 10% 29°F 54% 8 mph WNW 30.21in
      12:00 pm
      Sunny
      		 47°F 43°F 0% 0in 9% 29°F 49% 9 mph WNW 30.2in
      1:00 pm
      Sunny
      		 49°F 45°F 0% 0in 10% 29°F 45% 8 mph WNW 30.19in
      2:00 pm
      Sunny
      		 50°F 46°F 0% 0in 9% 29°F 44% 9 mph WNW 30.19in
      3:00 pm
      Sunny
      		 50°F 46°F 0% 0in 9% 29°F 44% 8 mph W 30.19in
      4:00 pm
      Sunny
      		 48°F 44°F 0% 0in 9% 30°F 49% 7 mph WNW 30.19in
      5:00 pm
      Clear
      		 45°F 42°F 1% 0in 8% 30°F 54% 6 mph W 30.2in
      6:00 pm
      Clear
      		 41°F 38°F 1% 0in 8% 30°F 65% 6 mph WSW 30.21in
      7:00 pm
      Clear
      		 39°F 35°F 2% 0in 9% 30°F 70% 5 mph SW 30.22in
      8:00 pm
      Clear
      		 38°F 34°F 2% 0in 9% 30°F 74% 5 mph SW 30.23in
      9:00 pm
      Clear
      		 37°F 32°F 3% 0in 10% 30°F 78% 5 mph WSW 30.24in
      10:00 pm
      Clear
      		 36°F 32°F 3% 0in 10% 30°F 81% 4 mph SW 30.24in
      11:00 pm
      Clear
      		 35°F 31°F 4% 0in 10% 30°F 80% 4 mph SW 30.25in
      Additional Conditions
      1. Pressure 30.19 in
      2. Visibility 8 miles
      3. Clouds Clear
      4. Dew Point33°F
      5. Humidity 82%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KDEC Station History
      Almanac for November 7, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 54°F 54°F 82°F 1915
      4. Low 30°F 38°F 11°F 1993
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.6 in -
      7. Snow 0 in 0 in -
      Almanac for November 8, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 62°F 54°F 81°F
      4. Low 32°F 37°F 0°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:31 AM 4:46 PM
      3. Civil Twilight 6:03 AM 5:15 PM
      4. Nautical Twilight 5:30 AM 5:47PM
      5. Astronomical Twilight 4:59 AM 6:19 PM
      1. Length of Visible Light 11h 12m
      2. Length of Day 10h 15m
      3. Tomorrow will be 2 minutes 9 seconds shorter
      1. Moon 4:56 AM 3:36 PM
      2. Waning Crescent3% of the Moon is Illuminated
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nov 24
      Full Moon
      Dec 1
      Waning Half Last Qtr
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
      Loading nearby stations…
      Our AppsAbout UsContactCareers
      PWS NetworkWunderMap
      Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
      Level Access
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary