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

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Overcast

60°F

16°C

Humidity 80%
Wind Speed S 7 mph
Barometer 30.24 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 1 Nov 8:35 pm CST
Extended Forecast for

Bismarck IL

  • Tonight

    Tonight: Isolated showers before 1am, then patchy drizzle after 1am. Cloudy, with a low around 53. South southeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Patchy
    Drizzle

  • Monday

    Monday: Patchy drizzle before 1pm. Cloudy, with a high near 64. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 64 °F

    Patchy
    Drizzle

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60. South wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 75. South wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 75 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 58. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 68. South wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. Southwest wind 3 to 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers before 1am, then patchy drizzle after 1am. Cloudy, with a low around 53. South southeast wind around 7 mph. Chance of precipitation is 20%.
Monday
Patchy drizzle before 1pm. Cloudy, with a high near 64. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 60. South wind 11 to 15 mph, with gusts as high as 23 mph.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 75. South wind 15 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Rain. Low around 58. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 68. South wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 47. Southwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Mostly cloudy, with a high near 59.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck IL
 40.27°N 87.59°W (Elev. 692 ft)
Last Update:
5:11 pm CST Nov 1, 2026
Forecast Valid:
8pm CST Nov 1, 2026-6pm CST Nov 8, 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