National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

82°F

28°C

Humidity 72%
Wind Speed NE 10 mph
Barometer 30.09 in (1017.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 11:53 am CDT
Extended Forecast for

6 Miles NW Whiting IN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 78. North northeast wind around 10 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. North northeast wind around 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind around 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 74. South southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 85 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 78. North northeast wind around 10 mph.
Tonight
Mostly cloudy, with a low around 71. North northeast wind around 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 74. South southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 72.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Whiting IN
 41.74°N 87.57°W
Last Update:
10:26 am CDT Aug 17, 2025
Forecast Valid:
12pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation