National Weather Service

News Headlines

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.

Mostly Cloudy

74°F

23°C

Humidity	100%
Wind Speed	S 5 mph
Barometer	30.02 in (1016.0 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Last update	16 Aug 12:56 am CDT

More Information:

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

Extended Forecast for

3 Miles N Valparaiso IN

Flood Watch until August 16, 10:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until August 16, 10:00am
NOW until 10:00am Sun
Flood Watch
Overnight
Low: 73 °F
Showers
Likely
Sunday
High: 82 °F
Showers
Likely then
Chance
T-storms
Sunday Night
Low: 68 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 76 °F
Sunny
Monday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 65 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 74 °F
Chance
T-storms

Detailed Forecast

Overnight

A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 82. Southwest wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 68. West northwest wind 5 to 10 mph becoming north after midnight.

Monday

Sunny, with a high near 76. Northeast wind 5 to 10 mph.

Monday Night

Mostly clear, with a low around 60. Calm wind becoming south southwest around 5 mph after midnight.

Tuesday

Mostly sunny, with a high near 79.

Tuesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Wednesday

A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 74.

Wednesday Night

Partly cloudy, with a low around 58.

Thursday

Mostly sunny, with a high near 72.

Thursday Night

Partly cloudy, with a low around 57.

Friday

Mostly sunny, with a high near 74.

Friday Night

Partly cloudy, with a low around 58.