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

Hazardous Weather Outlook

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Partly Cloudy

77°F

25°C

Humidity	95%
Wind Speed	Calm
Barometer	30.11 in
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	15 Aug 9:15 pm CDT

More Information:

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

Extended Forecast for

3 Miles WNW Blackstone IL

Tonight
Low: 72 °F
Chance
Showers then
Chance
T-storms
Saturday
High: 94 °F
Slight Chance
T-storms
Saturday Night
Low: 73 °F
Partly Cloudy
Sunday
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 73 °F
Partly Cloudy
Monday
High: 93 °F
Slight Chance
T-storms
Monday Night
Low: 72 °F
Chance
T-storms
Tuesday
High: 89 °F
Chance
T-storms
Tuesday Night
Low: 68 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 50 percent chance of showers and thunderstorms, mainly between 2am and 3am. Mostly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight.

Saturday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 104. Southwest wind 5 to 10 mph.

Saturday Night

Partly cloudy, with a low around 73. South southwest wind around 5 mph.

Sunday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 104. Southeast wind around 5 mph.

Sunday Night

Partly cloudy, with a low around 73. Southeast wind around 5 mph.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Tuesday Night

Mostly cloudy, with a low around 68.

Wednesday

Mostly sunny, with a high near 81.