Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. 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	89%
Wind Speed	S 9 mph
Barometer	29.91 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	29 Jun 11:04 pm CDT

More Information:

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

Extended Forecast for

Princeton IL

Extreme Heat Warning June 29, 11:20pm until July 1, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning June 29, 11:20pm until July 1, 10:00pm
NOW until 10:00pm Wed
Extreme Heat Warning
Tonight
Low: 77 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 75 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny
Wednesday Night
Low: 77 °F
Mostly Clear
Thursday
High: 94 °F
Mostly Sunny
Thursday Night
Low: 75 °F
Partly Cloudy
then Chance
T-storms
Friday
High: 90 °F
Showers
Likely

Detailed Forecast

Tonight

Mostly clear, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 94. Heat index values as high as 101. South wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 77.

Thursday

Mostly sunny, with a high near 94.

Thursday Night

A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Independence Day

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Saturday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Sunday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

Sunday Night

A 40 percent chance of showers. Partly cloudy, with a low around 68.

Monday

Mostly sunny, with a high near 85.