Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Fair

59°F

15°C

Humidity 87%
Wind Speed Calm
Barometer 29.96 in (1014.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 1:56 am CDT
Extended Forecast for

4 Miles SSE Chesterton IN

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers, mainly after 2pm.  High near 71. South southeast wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 71 °F

    Mostly Cloudy
    then Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall.  Low around 58. East wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 58 °F

    Heavy Rain
    then Showers
    Likely

  • Monday

    Monday: A 20 percent chance of showers before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 1pm.  Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Calm wind.
Sunday
Showers, mainly after 2pm. High near 71. South southeast wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall. Low around 58. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday
A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 54. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
A chance of showers after 1pm. Mostly sunny, with a high near 76.
Wednesday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Chesterton IN
 41.55°N 87.03°W
1:31 am CDT Jun 21, 2026
2am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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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