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

83°F

28°C

Humidity 48%
Wind Speed SE 14 G 18 mph
Barometer 30.03 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 13 Sep 12:55 pm CDT
Extended Forecast for

Armstrong IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 86. South wind around 9 mph, with gusts as high as 15 mph.

    High: 86 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 64. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 90. Southeast wind 3 to 5 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Light east southeast wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Light east southeast wind.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 86. South wind around 9 mph, with gusts as high as 15 mph.
Tonight
A slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 64. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 90. Southeast wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 91. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. Light east southeast wind.
Tuesday
Sunny, with a high near 92. Light east southeast wind.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62.
Friday
A chance of showers. Partly sunny, with a high near 82.
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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:
12:40 pm CDT Sep 13, 2025
Forecast Valid:
1pm CDT Sep 13, 2025-6pm CDT Sep 19, 2025
 
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