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

Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

Fair

75°F

24°C

Humidity 66%
Wind Speed S 9 mph
Barometer 30.16 in (1020.9 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 29 Aug 10:52 am CDT
Extended Forecast for

Somonauk IL

  • This Afternoon

    This Afternoon: A slight chance of sprinkles after 5pm. Mostly cloudy, with a high near 80. South wind around 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Slight Chance
    Sprinkles

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South southeast wind 5 to 10 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 9am. Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. South wind 5 to 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of sprinkles after 5pm. Mostly cloudy, with a high near 80. South wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 67. South southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 69. South wind 5 to 10 mph.
Monday
Partly sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A chance of showers. Partly cloudy, with a low around 69.
Friday
Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somonauk IL
 41.61°N 88.66°W
Last Update:
10:34 am CDT Aug 29, 2026
Forecast Valid:
12pm CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation