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

91°F

33°C

Humidity	69%
Wind Speed	S 6 mph
Barometer	30.04 in
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	108°F (42°C)
Last update	16 Aug 2:55 pm CDT

More Information:

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

Extended Forecast for

Lostant IL

Heat Advisory until August 16, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 16, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 93 °F
Chance
T-storms
Tonight
Low: 73 °F
Chance
T-storms
Sunday
High: 88 °F
Slight Chance
T-storms
Sunday Night
Low: 72 °F
Partly Cloudy
Monday
High: 92 °F
Slight Chance
T-storms
Monday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 90 °F
Chance
T-storms
Tuesday Night
Low: 66 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 93. Heat index values as high as 106. West southwest wind around 5 mph, with gusts as high as 10 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 9pm and 3am. Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph becoming east after midnight.

Sunday

A 20 percent chance of showers and thunderstorms after 10am. Partly sunny, with a high near 88. Heat index values as high as 98. South southwest wind around 5 mph becoming north northeast in the morning.

Sunday Night

Partly cloudy, with a low around 72. East wind 5 to 10 mph.

Monday

A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Sunny, with a high near 92. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

Tuesday Night

Mostly cloudy, with a low around 66.

Wednesday

Partly sunny, with a high near 79.

Wednesday Night

Partly cloudy, with a low around 62.

Thursday

Sunny, with a high near 81.