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Elev 705 ft, 41.45 °N, 87.47 °W

Saint John, IN Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Saint John, IN
Elevation: 705ft
Nearby Weather Stations

Active Weather Alerts

Flood Watch
Issued: 6:30 PM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 1 AM CDT THURSDAY...

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of Illinois, including the following areas,
Boone, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane,
Kankakee, Kendall, La Salle, Lake IL, Lee, Livingston, McHenry,
Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will
and Winnebago and northwest Indiana, including the following
areas, Jasper, Lake IN, Newton and Porter.

* WHEN...Until 1 AM CDT Thursday.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Roads and streets may
be flooded.

* ADDITIONAL DETAILS...
- Additional rounds of showers and thunderstorms are expected
through this evening. Elevated soil moisture due to recent
rainfall is expected to increase the susceptibility to flash
flooding.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch for flash flooding means rapid-onset flooding is
possible, but not yet certain, based upon the latest forecasts.
Flash flooding is a dangerous situation. Persons with interests
along area rivers, creeks, and other waterways should monitor the
latest forecasts and be prepared to take action should flooding
develop.

&&

River Flood Watch
Issued: 3:46 PM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Flooding is possible.

* WHERE...Kankakee River from Near I-65 and De Motte downstream to
IL/IN state line, including the Shelby gauge.

* WHEN...Until further notice.

* IMPACTS...At 10.5 feet, Water overflows low-lying river banks
along Bluegrass Road east of Sumava Resorts and along Westwood
Drive and Island Boulevard near Shelby. Water begins to be
diverted through the Blackberry Marsh Spillway to reduce flood
impacts.

* ADDITIONAL DETAILS...
- At 9:45 AM CDT Wednesday the stage was 10.1 feet.
- Forecast...Flood stage may be reached early Sunday afternoon.
- Flood stage is 10.5 feet.
- http://www.weather.gov/safety/flood

&&


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