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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

67°F

19°C

Humidity 81%
Wind Speed NE 8 mph
Barometer 30.12 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jul 10:35 pm CDT
Extended Forecast for

3 Miles SE Manlius IL

  • Overnight

    Overnight: Partly cloudy, with a low around 59. East wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Northeast wind around 5 mph becoming south in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    T-storms
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. East wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 80. Northeast wind around 5 mph becoming south in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 68. Southeast wind around 5 mph.
Saturday
Showers likely and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Manlius IL
 41.42°N 89.63°W (Elev. 699 ft)
Last Update:
10:16 pm CDT Jul 17, 2025
Forecast Valid:
12am CDT Jul 18, 2025-6pm CDT Jul 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation