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

Hazardous Weather Conditions

Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fair

77°F

25°C

Humidity 97%
Wind Speed SW 7 mph
Barometer 29.97 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Aug 2:15 am CDT
Extended Forecast for

Saint Joseph IL

  • Overnight

    Overnight: Mostly clear, with a low around 73. South southwest wind around 8 mph, with gusts as high as 16 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 10am. Increasing clouds, with a high near 87. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 69. West southwest wind 5 to 7 mph becoming east northeast after midnight. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. South southeast wind 5 to 9 mph becoming northwest in the morning. Winds could gust as high as 16 mph.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 84. Northeast wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 73. South southwest wind around 8 mph, with gusts as high as 16 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 10am. Increasing clouds, with a high near 87. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 69. West southwest wind 5 to 7 mph becoming east northeast after midnight. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. South southeast wind 5 to 9 mph becoming northwest in the morning. Winds could gust as high as 16 mph.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 84. Northeast wind 3 to 6 mph. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 81.
Friday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 81.
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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:
1:26 am CDT Aug 11, 2026
Forecast Valid:
2am CDT Aug 11, 2026-6pm CDT Aug 17, 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