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

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

72°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	30.10 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	16 Aug 4:35 am CDT

More Information:

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

Extended Forecast for

3 Miles WNW Saunemin IL

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

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 72 °F
Slight Chance
T-storms
Saturday
High: 93 °F
Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms
Sunday
High: 87 °F
Slight Chance
T-storms
Sunday Night
Low: 72 °F
Partly Cloudy
Monday
High: 94 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 72 °F
Slight Chance
T-storms
Tuesday
High: 91 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 5 mph.

Saturday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 93. Heat index values as high as 108. South southwest wind 5 to 10 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 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 87. Heat index values as high as 99. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming southeast after midnight.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.

Tuesday

Mostly sunny, with a high near 91.

Tuesday Night

Mostly cloudy, with a low around 67.

Wednesday

Partly sunny, with a high near 80.