Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

75°F

24°C

Humidity	100%
Wind Speed	S 5 mph
Barometer	29.95 in
Dewpoint	75°F (24°C)
Visibility	9.00 mi
Last update	9 Jun 8:45 am CDT

More Information:

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

Extended Forecast for

Lockport IL

Today
High: 86 °F
Slight Chance
Showers then
Slight Chance
T-storms
Tonight
Low: 72 °F
Partly Cloudy
then Chance
T-storms
Wednesday
High: 91 °F
Mostly Sunny
then Slight
Chance
T-storms and
Breezy
Wednesday Night
Low: 72 °F
T-storms
Likely
Thursday
High: 89 °F
Chance
T-storms then
T-storms and
Breezy
Thursday Night
Low: 64 °F
T-storms
Friday
High: 78 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 83 °F
Sunny

Detailed Forecast

Today

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Tonight

A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. West wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

Wednesday Night

Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 72. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Thursday

Showers and thunderstorms, mainly after 1pm. High near 89. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

Thursday Night

Showers and thunderstorms, mainly before 1am. Low around 64. Chance of precipitation is 80%.

Friday

Sunny, with a high near 78.

Friday Night

Mostly clear, with a low around 62.

Saturday

Sunny, with a high near 83.

Saturday Night

A chance of showers after 1am. Partly cloudy, with a low around 62.

Sunday

Partly sunny, with a high near 78.