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

Albertus Airport (KFEP)

Lat: 42.25°NLon: 89.58°WElev: 837ft.

Partly Cloudy

79°F

26°C

Humidity 56%
Wind Speed NW 9 mph
Barometer 30.08 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 12:15 pm CDT
Extended Forecast for

Freeport IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Northwest wind around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west around 5 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 79.

    High: 79 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 57. Calm wind.
Friday
Sunny, with a high near 82. Calm wind becoming west around 5 mph.
Friday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.
Saturday
Mostly cloudy, with a high near 79.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 87.
Sunday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Monday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Freeport IL
 42.3°N 89.65°W (Elev. 850 ft)
Last Update:
9:31 am CDT Aug 27, 2026
Forecast Valid:
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 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