National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fair

61°F

16°C

Humidity 60%
Wind Speed NE 8 mph
Barometer 30.07 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 27 Sep 8:35 pm CDT
Extended Forecast for

Saint Joseph IL

  • Tonight

    Tonight: Partly cloudy, with a low around 49. North northeast wind 3 to 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Light northeast wind.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Light northeast wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming south around 5 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. South southeast wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. South wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. South southeast wind around 7 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. North northeast wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 77. Light northeast wind.
Monday Night
Mostly clear, with a low around 51. Light northeast wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming south around 5 mph.
Tuesday Night
Partly cloudy, with a low around 61. South southeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 82. South wind 6 to 8 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 67. South southeast wind around 7 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 68.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A chance of showers. Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Joseph IL
 40.14°N 88.06°W (Elev. 676 ft)
Last Update:
6:31 pm CDT Sep 27, 2026
Forecast Valid:
8pm CDT Sep 27, 2026-6pm CDT Oct 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation