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

Hazardous Weather Conditions

Current conditions at

Albertus Airport (KFEP)

Lat: 42.25°NLon: 89.58°WElev: 837ft.

Fair

88°F

31°C

Humidity 72%
Wind Speed SE 14 mph
Barometer 29.97 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 4 Sep 1:35 pm CDT
Extended Forecast for

Freeport IL

Heat Advisory September 4, 01:53pm until September 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 01:53pm until September 4, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between midnight and 3am. Patchy fog after 5am. Otherwise, mostly clear, with a low around 71. West wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. Light north wind becoming northeast 5 to 10 mph in the morning.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Northeast wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 2pm. Sunny, with a high near 92. Heat index values as high as 103. Southwest wind around 10 mph.
Tonight
A slight chance of showers and thunderstorms between midnight and 3am. Patchy fog after 5am. Otherwise, mostly clear, with a low around 71. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. Light north wind becoming northeast 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 61. Northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 58.
Labor Day
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 88.
Tuesday Night
A 50 percent chance of showers after 1am. Partly cloudy, with a low around 71.
Wednesday
Partly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Freeport IL
 42.3°N 89.62°W (Elev. 761 ft)
Last Update:
1:25 pm CDT Sep 4, 2026
Forecast Valid:
1pm CDT Sep 4, 2026-6pm CDT Sep 10, 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