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

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fog/Mist

76°F

24°C

Humidity	99%
Wind Speed	S 6 mph
Barometer	29.86 in
Dewpoint	76°F (24°C)
Visibility	1.50 mi
Heat Index	75°F (24°C)
Last update	27 Jul 5:15 am CDT

More Information:

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

Extended Forecast for

Flossmoor IL

Heat Advisory July 27, 05:19am until July 27, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 27, 05:19am until July 27, 09:00pm
NOW until 9:00pm Mon
Heat Advisory
Overnight
Low: 74 °F
Slight Chance
T-storms
Monday
High: 90 °F
T-storms
Likely then
Showers
Likely
Monday Night
Low: 70 °F
Chance
T-storms then
Mostly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 65 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
Thursday
High: 84 °F
Sunny

Detailed Forecast

Overnight

A 10 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South southwest wind around 5 mph.

Monday

Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 90. Heat index values as high as 107. 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 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 70. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

Tuesday

Mostly sunny, with a high near 78. North wind around 15 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 65. North wind 5 to 15 mph.

Wednesday

Sunny, with a high near 80.

Wednesday Night

Mostly clear, with a low around 64.

Thursday

Sunny, with a high near 84.

Thursday Night

Partly cloudy, with a low around 67.