Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms & Heavy Rain in the Plains/Midwest; Clouds and Rain Threaten Eclipse Viewing for Some

While much of the nation observes today's eclipse, clouds threaten to obscure the view in parts of the Plains, Midwest, Mid-Atlantic, Southwest, and Southeast states. The weather could be more than just a nuisance in the north-central Plains and Midwest where scattered severe storms are possible this afternoon and evening. Very large hail, damaging wind gusts, and flash floods are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Overcast

28°C

82°F

Humidity 70%
Wind Speed NE 17 km/h
Barometer 30.01 in
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index30°C (86°F)
Last update 21 Aug 2:45 pm CDT
Extended Forecast for

Merrillville IN

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers before 5pm.  Partly sunny, with a high near 28. South southwest wind around 15 km/h, with gusts as high as 25 km/h.

    Slight Chance
    Showers

    High: 28 °C

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 2am.  Mostly cloudy, with a low around 22. South southwest wind 15 to 20 km/h.  Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Chance
    T-storms then
    T-storms
    Likely

    Low: 22 °C

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers.  Mostly cloudy, with a high near 26. Southwest wind 15 to 20 km/h becoming north in the afternoon. Winds could gust as high as 35 km/h.  Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    Showers
    Likely

    High: 26 °C

  • Tuesday
    Night

    Tuesday Night: A 10 percent chance of showers before 7pm.  Mostly clear, with a low around 14. North northwest wind 10 to 15 km/h.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 14 °C

  • Wednesday

    Wednesday: Sunny, with a high near 23. West northwest wind 10 to 15 km/h, with gusts as high as 25 km/h.

    Sunny

    High: 23 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Partly Cloudy

    Low: 13 °C

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    Mostly Sunny

    High: 22 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 12.

    Mostly Clear

    Low: 12 °C

  • Friday

    Friday: Sunny, with a high near 24.

    Sunny

    High: 24 °C

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 5pm. Partly sunny, with a high near 28. South southwest wind around 15 km/h, with gusts as high as 25 km/h.
Tonight
Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 22. South southwest wind 15 to 20 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers. Mostly cloudy, with a high near 26. Southwest wind 15 to 20 km/h becoming north in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Tuesday Night
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 14. North northwest wind 10 to 15 km/h.
Wednesday
Sunny, with a high near 23. West northwest wind 10 to 15 km/h, with gusts as high as 25 km/h.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 12.
Friday
Sunny, with a high near 24.
Friday Night
Mostly clear, with a low around 12.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 26.
Click Map For Forecast
Point Forecast:
Merrillville IN
 41.47°N 87.33°W
2:18 pm CDT Aug 21, 2017
3pm CDT Aug 21, 2017-6pm CDT Aug 27, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database