Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

73°F

23°C

Humidity	83%
Wind Speed	S 9 mph
Barometer	30.03 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	25 Jul 10:45 am CDT

More Information:

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

Extended Forecast for

Lemont IL

Today
High: 77 °F
Patchy
Drizzle
Tonight
Low: 70 °F
Mostly Cloudy
Sunday
High: 89 °F
Partly Sunny
Sunday Night
Low: 75 °F
Chance
T-storms
Monday
High: 92 °F
Chance
T-storms
Monday Night
Low: 72 °F
Chance
T-storms
Tuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 86 °F
Sunny

Detailed Forecast

Today

Patchy drizzle before 1pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Tonight

Mostly cloudy, with a low around 70. Southwest wind around 5 mph, with gusts as high as 10 mph.

Sunday

Partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

Tuesday

Mostly sunny, with a high near 86.

Tuesday Night

Mostly clear, with a low around 66.

Wednesday

Sunny, with a high near 86.

Wednesday Night

Mostly clear, with a low around 66.