Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

73°F

23°C

Humidity 74%
Wind Speed N 6 mph
Barometer 30.04 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 Aug 9:39 am CDT
Extended Forecast for

5 Miles WNW Serena IL

  • Today

    Today: Sunny, with a high near 81. North northwest wind around 5 mph, with gusts as high as 15 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 60. North northwest wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 82. Calm wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 81. North northwest wind around 5 mph, with gusts as high as 15 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 60. North northwest wind around 5 mph becoming calm.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind.
Friday Night
Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph.
Saturday
Partly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 88.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Serena IL
 41.51°N 88.84°W
9:31 am CDT Aug 27, 2026
9am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database