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August 11, 2026: Derecho produces widespread wind damage and tornadoes across northern Illinois and northwest Indiana

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Fog/Mist

71°F

22°C

Humidity	96%
Wind Speed	Calm
Barometer	30.11 in (1019.1 mb)
Dewpoint	70°F (21°C)
Visibility	5.00 mi
Last update	15 Aug 4:56 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Shelby IN

Flood Warning until further notice

Flood Watch August 15, 05:27am until August 15, 10:00am

Click here for hazard details and duration

Flood Warning until further notice

Flood Watch

Flood Warning until further notice
Flood Watch August 15, 05:27am until August 15, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 70 °F
Showers
Likely
Saturday
High: 80 °F
Showers then
Showers
Likely
Saturday Night
Low: 72 °F
Slight Chance
Showers then
Chance
T-storms
Sunday
High: 84 °F
Showers
Likely then
Slight Chance
T-storms
Sunday Night
Low: 66 °F
Partly Cloudy
Monday
High: 79 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm. Cloudy, with a low around 70. East southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 80. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night

A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 40%.

Sunday

Showers and thunderstorms likely before 11am, then a slight chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 84. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

Sunday Night

Partly cloudy, with a low around 66. North northwest wind around 5 mph, with gusts as high as 10 mph.

Monday

Sunny, with a high near 79.

Monday Night

Mostly clear, with a low around 59.

Tuesday

Mostly sunny, with a high near 80.

Tuesday Night

A chance of showers after 1am. Mostly cloudy, with a low around 65.

Wednesday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78.