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

76°F

24°C

Humidity 95%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 4 Sep 4:15 am CDT
Extended Forecast for

Freeport IL

Heat Advisory September 4, 04:18am until September 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 04:18am until September 4, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms between 10pm and 4am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. East wind around 5 mph.

    Low: 64 °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 61.

    Low: 61 °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 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.
Tonight
A chance of showers and thunderstorms between 10pm and 4am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 61.
Labor Day
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 72.
Wednesday
Partly sunny, with a high near 87.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 66.
Thursday
Partly sunny, with a high near 82.
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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:
4:01 am CDT Sep 4, 2026
Forecast Valid:
4am 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