Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

69°F

21°C

Humidity 37%
Wind Speed S 14 mph
Barometer 29.94 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 17 Oct 12:15 pm CDT
Extended Forecast for

3 Miles W Merrillville IN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers, mainly after 4am.  Partly cloudy, with a low around 61. South wind 10 to 15 mph.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am.  High near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 50. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm.  Partly sunny, with a high near 57. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers.  Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of showers, mainly after 4am. Partly cloudy, with a low around 61. South wind 10 to 15 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 50. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers likely, mainly before 1pm. Partly sunny, with a high near 57. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 64.
Monday Night
A chance of showers. Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 56. Breezy.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 57.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 42.
Thursday
A chance of showers. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Merrillville IN
 41.47°N 87.38°W
10:06 am CDT Oct 17, 2025
12pm CDT Oct 17, 2025-6pm CDT Oct 23, 2025
 
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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