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      Elev 669 ft, 40.117 °N 88.038 °W

      St. Joseph, IL

      St. Joseph Station74°
      Updated: 1:09 AM CDT on September 16, 2026 (GMT -5)
      1 minute ago
      66°
      63°
      74
      Feels Like 75
      Partly Cloudy
      N
      6
      Lower temperature is expected today
      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
        Wed 09/16
        Low 69°f
         97% Precip. / 0.67 in
        Thunderstorms with locally heavy downpours. Low 69F. Winds NE at 5 to 10 mph. Chance of rain 100%. Locally heavy rainfall possible.
        Tomorrow
        Wed 09/16
        High 85°f
         65% Precip. / 0.13 in
        Thunderstorms likely in the morning. Then a chance of scattered thunderstorms in the afternoon. High around 85F. Winds light and variable. Chance of rain 70%.
        Tomorrow night
        Wed 09/16
        Low 70°f
         32% Precip. / 0.04 in
        Widely scattered showers or a thunderstorm early. Then partly cloudy. Low around 70F. Winds light and variable. Chance of rain 30%.
        Hourly Forecast
        Now
        74°
        2AM
        73°
        3AM
        48%
        73°
        4AM
        54%
        72°
        5AM
        83%
        71°
        6AM
        59%
        71°
        6:34AM
        Sunrise
        7AM
        70°
        8AM
        72°
        9AM
        34%
        74°
        10AM
        36%
        76°
        11AM
        39%
        78°
        12PM
        80°
        1PM
        82°
        2PM
        83°
        3PM
        84°
        4PM
        84°
        5PM
        46%
        83°
        6PM
        48%
        81°
        6:59PM
        Sunset
        7PM
        33%
        79°
        8PM
        33%
        76°
        9PM
        74°
        10PM
        73°
        11PM
        72°
        12AM
        72°
        1AM
        72°
        Precipitation
        83%
        Thunderstorms possible after 3 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        53
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.13 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point71°F
        5. Humidity 93%
        6. Rainfall 0.39 in
        7. Snow Depth 0 in
         KCMI Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 79°F 98°F 1939
        4. Low 63°F 56°F 32°F 1916
        5. Rain/Snow Depth
        6. Precipitation 0.67 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 96°F 79°F 93°F
        4. Low 63°F 55°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:34 AM 6:59 PM
        3. Civil Twilight 6:06 AM 7:26 PM
        4. Nautical Twilight 5:34 AM 7:58PM
        5. Astronomical Twilight 5:02 AM 8:30 PM
        1. Length of Visible Light 13h 19m
        2. Length of Day 12h 24m
        3. Tomorrow will be 2 minutes 37 seconds shorter
        1. Moon 12:32 PM 9:37 PM
        2. Waxing Crescent30% 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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