Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Mostly Cloudy

73°F

23°C

Humidity	100%
Wind Speed	S 6 mph
Barometer	30.00 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	30 Aug 9:55 pm CDT

More Information:

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

Extended Forecast for

Crest Hill IL

Tonight
Low: 71 °F
Chance
Showers then
Slight Chance
T-storms
Monday
High: 90 °F
Slight Chance
T-storms
Monday Night
Low: 74 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 92 °F
Mostly Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 73 °F
Partly Cloudy
then Chance
T-storms
Thursday
High: 89 °F
Chance
T-storms
Thursday Night
Low: 71 °F
Partly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 15 mph.

Monday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Heat index values as high as 95. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday Night

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. South southwest wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday Night

Mostly clear, with a low around 74. South southwest wind around 5 mph, with gusts as high as 10 mph.

Wednesday

Sunny, with a high near 93.

Wednesday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

Thursday

A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.