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

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Overcast

50°F

10°C

Humidity 70%
Wind Speed NW 13 G 23 mph
Barometer 30.12 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 16 Oct 9:55 am CDT
Extended Forecast for

Princeton IL

Frost Advisory October 17, 01:00am until October 17, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: A 30 percent chance of showers, mainly before 3pm. Cloudy, with a high near 54. Breezy, with a north wind 20 to 25 mph, with gusts as high as 30 mph.

    High: 54 °F

    Breezy.
    Cloudy then
    Chance
    Showers

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 33. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 33 °F

    Decreasing
    Clouds then
    Areas Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 57 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 3pm. Cloudy, with a high near 54. Breezy, with a north wind 20 to 25 mph, with gusts as high as 30 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 33. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 37. South wind around 5 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
Last Update:
6:16 am CDT Oct 16, 2026
Forecast Valid:
10am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation