Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

81°F

27°C

Humidity	80%
Wind Speed	S 9 mph
Barometer	30.06 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	8 Aug 9:35 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Tiskilwa IL

Heat Advisory August 8, 12:00pm until August 8, 07:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 92 °F
Mostly Sunny
Tonight
Low: 75 °F
Mostly Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 73 °F
Heavy Rain
Sunday
High: 86 °F
Chance
T-storms
Sunday Night
Low: 71 °F
Chance
T-storms
Monday
High: 85 °F
Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 87 °F
Chance
T-storms

Detailed Forecast

Today

Mostly sunny, with a high near 92. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

Mostly clear, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.

Saturday

Sunny, with a high near 92. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday Night

A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. South wind around 10 mph. New rainfall amounts between 2 and 3 inches possible.

Sunday

A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. New rainfall amounts between a half and three quarters of an inch possible.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.

Tuesday Night

Partly cloudy, with a low around 68.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Wednesday Night

Partly cloudy, with a low around 68.