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Elev 692 ft, 42.06 °N, 87.94 °W

Mount Prospect, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Mount Prospect, IL
Elevation: 692ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 3:07 AM Apr. 4, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 10 AM
CDT SUNDAY...

* WHAT...West winds to 30 kt and significant waves to 6 ft
occasionally to 8 ft expected.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
to Michigan City IN.

* WHEN...From 10 AM Saturday to 10 AM CDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

Flood Watch
Issued: 8:56 PM Apr. 3, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM 7 PM CDT /8 PM EDT/ THIS EVENING
THROUGH SATURDAY MORNING...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of northern and central Illinois and northwest
Indiana.

* WHEN...From 7 PM CDT  /8 PM EDT/ this evening through Saturday
morning.

* IMPACTS...Roads and streets may be flooded. Area creeks and
streams are already elevated, increasing the risk of flooding due
to additional rainfall.

* ADDITIONAL DETAILS...
- Recent rounds of heavy rainfall have left soils saturated and
stream and creek levels elevated across the area. Additional
rounds of heavy rainfall this evening and overnight may lead
to rapid run-off and an increased threat of 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.

&&

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