Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed SW 8 mph
Barometer 29.84 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Jun 6:55 am CDT
Extended Forecast for

3 Miles W Merrillville IN

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 7pm.  Mostly cloudy, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 83. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Showers
    Likely then
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 62. West wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. West northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Showers and possibly a thunderstorm. High near 83. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 62. West wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Juneteenth
Sunny, with a high near 81. West northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 64.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Merrillville IN
 41.47°N 87.38°W
5:06 am CDT Jun 17, 2025
7am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database