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Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fair

53°F

12°C

Humidity 82%
Wind Speed SE 5 mph
Barometer 30.12 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 10 Oct 6:55 am CDT
Extended Forecast for

Bismarck IL

  • Today

    Today: Mostly cloudy, with a high near 80. Southeast wind 5 to 8 mph.

    High: 80 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. East southeast wind 3 to 6 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind.

    High: 79 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 89. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. South southwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. West southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 80. Southeast wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 58. East southeast wind 3 to 6 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind.
Sunday Night
Mostly clear, with a low around 57. Light and variable wind.
Columbus Day
Mostly sunny, with a high near 89. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Monday Night
Mostly clear, with a low around 68. South southwest wind around 7 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 83. West southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
A 50 percent chance of showers. Mostly sunny, with a high near 74.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
Showers likely. Mostly cloudy, with a high near 74.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck IL
 40.25°N 87.62°W (Elev. 656 ft)
Last Update:
6:36 am CDT Oct 10, 2026
Forecast Valid:
7am CDT Oct 10, 2026-6pm CDT Oct 16, 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