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.

Overcast

50°F

10°C

Humidity 55%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 1 May 5:55 pm CDT
Extended Forecast for

Forreston IL

Frost Advisory May 2, 01:00am until May 2, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 32. Northeast wind around 5 mph.

    Low: 32 °F

    Slight Chance
    Showers then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 56. Light north northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 56 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 67. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 67 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 1pm. Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 32. Northeast wind around 5 mph.
Saturday
Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 56. Light north northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 41. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 67. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 45. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Tuesday
A chance of showers after 1pm. Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Forreston IL
 42.12°N 89.6°W
Last Update:
2:41 pm CDT May 1, 2026
Forecast Valid:
6pm CDT May 1, 2026-6pm CDT May 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation