closegps_fixed
Elev 636 ft, 41.41 °N, 88.85 °W

Ottawa, IL Severe Weather Alertstar_ratehome

icon51 Â°F McDonnell Ag Solutions Station|Report|Change
Current Station
Personal Weather Station
Location: Ottawa, IL
Elevation: 636ft
Nearby Weather Stations

Active Weather Alerts

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.

&&

River Flood Warning
Issued: 4:58 PM Apr. 3, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM THIS EVENING UNTIL FURTHER NOTICE...
...REPLACES RIVER FLOOD WATCH...

* WHAT...Minor flooding is forecast.

* WHERE...Illinois River from Starved Rock Lock and Dam downstream
to confluence with Big Bureau Creek, including the La Salle gauge.

* WHEN...From this evening until further notice.

* IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State
Park is inundated east of La Salle. High water levels begin to
impact shipping interests along the river.

* ADDITIONAL DETAILS...
- At 11:45 AM CDT Friday the stage was 18.9 feet.
- Forecast...The river is expected to rise above flood stage
this evening to a crest of 22.2 feet tomorrow evening. It
will then fall below flood stage by the middle of next week.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 4:05 PM Apr. 3, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM THIS MORNING TO LATE SUNDAY
MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Fox River from Millington downstream to confluence with
the Illinois River, including the Dayton gauge.

* WHEN...From this morning to late Sunday morning.

* IMPACTS...At 12.5 feet, 2062nd Road threatened in Wedron.
Low-lying agricultural land inundated near Wedron.

* ADDITIONAL DETAILS...
- At 10:45 AM CDT Friday the stage was 12.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:45 AM CDT Friday was 12.0 feet.
- Forecast...The river is expected to rise to a crest of 12.7
feet just after midnight tonight. It will then fall below
flood stage early Sunday morning.
- Flood stage is 12.0 feet.
- http://www.weather.gov/safety/flood

&&



Local Radar
Local Radar ImageLocal Severe Image