Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

73°F

23°C

Humidity	89%
Wind Speed	SE 3 mph
Barometer	30.07 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	19 Jul 12:30 am CDT

More Information:

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

Extended Forecast for

3 Miles ENE Lemont IL

Overnight
Low: 68 °F
Partly Cloudy
Saturday
High: 85 °F
Showers
Likely
Saturday Night
Low: 69 °F
Chance
T-storms
Sunday
High: 78 °F
Chance
T-storms
Sunday Night
Low: 66 °F
Chance
T-storms
Monday
High: 83 °F
Chance
Showers
Monday Night
Low: 68 °F
Mostly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 90 °F
Partly Sunny
Tuesday Night
Low: 74 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 68. South southeast wind around 5 mph.

Saturday

A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind 5 to 10 mph becoming north northeast after midnight.

Sunday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 78. Northeast wind 5 to 10 mph.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind 5 to 10 mph.

Monday

A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 83.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.

Tuesday

Partly sunny, with a high near 90.