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

Flash Flood Threats in the Northeast and Southeast; Excessive Heat in the Southwest

Heavy rain will contribute to flash and small stream flooding threats in southern New England Thursday and across portions of coastal North Carolina, Virginia and the Florida Gulf Coast through Friday. Excessive heat will continue to impact the southern California mountains and deserts into Arizona and Nevada Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

64°F

18°C

Humidity 96%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 5 Aug 4:15 am CDT
Extended Forecast for

3 Miles W Lostant IL

  • Today

    Today: Mostly sunny, with a high near 82. Light south wind becoming south southwest 5 to 10 mph in the morning.

    Mostly Sunny

    High: 82 °F

  • Tonight

    Tonight: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 40%.

    Mostly Cloudy
    then Chance
    T-storms

    Low: 66 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    High: 82 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 66. South southwest wind 5 to 10 mph.

    Chance
    T-storms

    Low: 66 °F

  • Saturday

    Saturday: Sunny, with a high near 86. South southwest wind 5 to 10 mph.

    Sunny

    High: 86 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 70 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    Chance
    T-storms

    High: 88 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

  • Monday

    Monday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.

    Slight Chance
    T-storms

    High: 89 °F

Detailed Forecast

Today
Mostly sunny, with a high near 82. Light south wind becoming south southwest 5 to 10 mph in the morning.
Tonight
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 40%.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 66. South southwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 86. South southwest wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
3 Miles W Lostant IL
 41.14°N 89.13°W
Last Update:
3:15 am CDT Aug 5, 2021
Forecast Valid:
4am CDT Aug 5, 2021-6pm CDT Aug 11, 2021
 
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Additional Resources

Radar & Satellite Image

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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