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

78°F

26°C

Humidity 38%
Wind Speed E 7 mph
Barometer 30.06 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 May 12:15 pm CDT
Extended Forecast for

Armstrong IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 82. East southeast wind around 6 mph.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Partly sunny, with a high near 83. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Calm wind becoming north 5 to 7 mph after midnight.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Northeast wind around 10 mph, with gusts as high as 16 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. East northeast wind 5 to 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. East wind around 6 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 82. East southeast wind around 6 mph.
Tonight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 62. Light and variable wind.
Wednesday
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Partly sunny, with a high near 83. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 59. Calm wind becoming north 5 to 7 mph after midnight.
Thursday
Mostly sunny, with a high near 81. Northeast wind around 10 mph, with gusts as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 55. East northeast wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 79. East wind around 6 mph.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Armstrong IL
 40.31°N 87.87°W (Elev. 712 ft)
Last Update:
11:31 am CDT May 26, 2026
Forecast Valid:
12pm CDT May 26, 2026-6pm CDT Jun 1, 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