Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Partly Cloudy

88°F

31°C

Humidity 75%
Wind Speed SW 5 mph
Barometer 29.66 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 27 Jul 8:19 pm CDT
Extended Forecast for

3 Miles N Triumph IL

Extreme Heat Warning July 27, 08:35pm until July 27, 09:00pm
Click here for hazard details and duration
...
  •  
    Extreme Heat Warning July 27, 08:35pm until July 27, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • Tonight

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm  after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming north northeast around 5 mph. Winds could gust as high as 10 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 1pm.  Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 69. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 83. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 84. Calm wind becoming north northeast around 5 mph. Winds could gust as high as 10 mph.
Wednesday Night
Clear, with a low around 64. Calm wind.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A chance of showers after 1pm. Partly sunny, with a high near 82.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Triumph IL
 41.54°N 89.04°W
7:11 pm CDT Jul 27, 2026
8pm CDT Jul 27, 2026-6pm CDT Aug 3, 2026
 
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Additional Resources

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