Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Rain Fog/Mist

68°F

20°C

Humidity	100%
Wind Speed	NW 3 mph
Barometer	29.95 in
Dewpoint	68°F (20°C)
Visibility	2.00 mi
Last update	20 Sep 6:50 am CDT

More Information:

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

Extended Forecast for

2 Miles NW Crystal Lawns IL

Flood Watch September 20, 07:47am until September 20, 01:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch September 20, 07:47am until September 20, 01:00pm
NOW until 1:00pm Sun
Flood Watch
Today
High: 70 °F
Showers and
Patchy Fog
Tonight
Low: 58 °F
Chance
Showers
Monday
High: 65 °F
Chance
Showers
Monday Night
Low: 55 °F
Chance
Showers
Tuesday
High: 63 °F
Slight Chance
Showers
Tuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 65 °F
Partly Sunny
Wednesday Night
Low: 52 °F
Partly Cloudy

Detailed Forecast

Today

Showers and possibly a thunderstorm before 4pm, then showers likely. Patchy fog before 10am. High near 70. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

A chance of showers before 7pm, then a chance of showers after midnight. Cloudy, with a low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Monday

A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 65. East northeast wind around 15 mph, with gusts as high as 25 mph.

Monday Night

A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday

A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 63. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday Night

Partly cloudy, with a low around 52.

Wednesday

Partly sunny, with a high near 65.

Wednesday Night

Partly cloudy, with a low around 52.

Thursday

Partly sunny, with a high near 67.