Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fog/Mist

77°F

25°C

Humidity	100%
Wind Speed	S 7 mph
Barometer	29.85 in
Dewpoint	77°F (25°C)
Visibility	3.00 mi
Heat Index	78°F (26°C)
Last update	27 Jul 3:35 am CDT

More Information:

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

Extended Forecast for

5 Miles N Plainfield IL

Heat Advisory July 27, 03:57am until July 27, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 27, 03:57am until July 27, 09:00pm
NOW until 9:00pm Mon
Heat Advisory
Overnight
Low: 77 °F
Slight Chance
T-storms
Monday
High: 91 °F
T-storms
Likely
Monday Night
Low: 69 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 80 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Thursday
High: 84 °F
Sunny

Detailed Forecast

Overnight

A 10 percent chance of showers and thunderstorms after 5am. Cloudy, with a steady temperature around 77. South southwest wind around 5 mph.

Monday

Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 91. Heat index values as high as 110. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 69. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 80. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 62. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Wednesday

Sunny, with a high near 82.

Wednesday Night

Mostly clear, with a low around 63.

Thursday

Sunny, with a high near 84.

Thursday Night

Partly cloudy, with a low around 66.