Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

82°F

28°C

Humidity	72%
Wind Speed	Calm
Barometer	30.07 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	16 Aug 9:55 am CDT

More Information:

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

Extended Forecast for

2 Miles ESE Mendota IL

Heat Advisory August 16, 12:00pm until August 16, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 92 °F
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms
Sunday
High: 86 °F
Slight Chance
T-storms
Sunday Night
Low: 71 °F
Slight Chance
T-storms
Monday
High: 92 °F
Slight Chance
T-storms
Monday Night
Low: 72 °F
Chance
T-storms
Tuesday
High: 88 °F
Slight Chance
T-storms
Tuesday Night
Low: 64 °F
Mostly Cloudy
Wednesday
High: 78 °F
Partly Sunny

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 103. South southwest wind 5 to 10 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 4am. Partly cloudy, with a low around 72. Southwest wind around 5 mph.

Sunday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. East wind 5 to 10 mph. Chance of precipitation is 20%.

Sunday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East wind around 5 mph.

Monday

A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Tuesday Night

Mostly cloudy, with a low around 64.

Wednesday

Partly sunny, with a high near 78.

Wednesday Night

Mostly clear, with a low around 61.

Thursday

Sunny, with a high near 81.