National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fog/Mist

42°F

6°C

Humidity 92%
Wind Speed SW 6 mph
Barometer 30.14 in
Dewpoint 39°F (4°C)
Visibility 2.00 mi
Wind Chill38°F (3°C)
Last update 20 Nov 5:35 am CST
Extended Forecast for

Chicago Heights IL

  • Overnight

    Overnight: Patchy drizzle and fog. Cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Thursday

    Thursday: Patchy drizzle and fog before 9am, then a chance of drizzle after 3pm. Cloudy, with a high near 48. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 48 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of drizzle before 9pm. Cloudy, with a low around 45. South wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Chance
    Drizzle then
    Cloudy

  • Friday

    Friday: A 20 percent chance of rain. Cloudy, with a high near 52. North northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 52 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35. North northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy drizzle and fog. Cloudy, with a low around 41. Calm wind.
Thursday
Patchy drizzle and fog before 9am, then a chance of drizzle after 3pm. Cloudy, with a high near 48. Light south southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
A chance of drizzle before 9pm. Cloudy, with a low around 45. South wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of rain. Cloudy, with a high near 52. North northeast wind around 5 mph, with gusts as high as 15 mph.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35. North northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 54.
Monday Night
Rain likely. Cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago Heights IL
 41.51°N 87.64°W
Last Update:
3:25 am CST Nov 20, 2025
Forecast Valid:
5am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation