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

74°F

23°C

Humidity 98%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 15 Jul 11:35 pm CDT
Extended Forecast for

Armstrong IL

  • Tonight

    Tonight: Isolated showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind 6 to 8 mph.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 83. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62. North northeast wind 3 to 7 mph.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81. Light east northeast wind.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Isolated showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind 6 to 8 mph.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 83. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 62. North northeast wind 3 to 7 mph.
Friday
Partly sunny, with a high near 81. Light east northeast wind.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Calm wind.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Armstrong IL
 40.31°N 87.87°W (Elev. 712 ft)
Last Update:
5:56 pm CDT Jul 15, 2025
Forecast Valid:
11pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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