Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Overcast

43°F

6°C

Humidity 100%
Wind Speed E 7 mph
Barometer 30.19 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Nov 5:50 am CST
Extended Forecast for

Merrillville IN

  • Today

    Today: Cloudy, with a high near 45. East wind around 5 mph becoming calm  in the afternoon.

    High: 45 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 53. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 53 °F

    Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before midnight.  Cloudy, with a low around 45. South southwest wind around 5 mph becoming north northwest after midnight.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 52. North northeast wind 5 to 10 mph.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon.  Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Cloudy, with a high near 45. East wind around 5 mph becoming calm in the afternoon.
Tonight
Cloudy, with a low around 41. Calm wind.
Thursday
Cloudy, with a high near 53. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A 30 percent chance of rain, mainly before midnight. Cloudy, with a low around 45. South southwest wind around 5 mph becoming north northwest after midnight.
Friday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 52. North northeast wind 5 to 10 mph.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A chance of rain. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillville IN
 41.47°N 87.33°W
3:51 am CST Nov 19, 2025
6am CST Nov 19, 2025-6pm CST Nov 25, 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