Strong thunderstorm passed through the southern portion of the Ameren Illinois service territory (south of I-70) during overnight hours. Less than 2500 outages resulted from the wind and rain and most customers' power have been restored.

Take time now to prepare for storms. Learn how here.

Also, learn now how to report outages and check outages online.

Call 1.800.755.5000 to report gas odor or downed wires.

With the prospect of quieter weather conditions for the short-term, we are standing down from a heighted state of preparedness and returning the organization to status GREEN – Normal Operations, effective at 07:45.

Strong thunderstorm passed through the southern portion of the Ameren Illinois service territory (south of I-70) during overnight hours. Less than 2500 outages resulted from the wind and rain and most customers' power have been restored.

The Ameren Illinois Emergency Operations Center remains at YELLOW weather alert and continues to be ready to respond if needed.

Take time now to prepare for storms. Learn how here.

Also, learn now how to report outages and check outages online.

Call 1.800.755.5000 to report gas odor or downed wires.

There is a potential of strong-to-severe thunderstorm development across the southern portion of the Ameren Illinois service territory (south of I-70) from this afternoon into the evening and overnight hours. Should these storms develop, general wind gusts are forecasted to reach 40-45 mph with some gusts expected to reach 60-65 mph within the individual storm cells. 

Based on this weather forecast guidance and accompanying potential threat, the Ameren Illinois Emergency Operations Center is declaring a YELLOW weather alert for the organization. The organization is ready to respond if needed.

Take time now to prepare for storms. Learn how here.

Also, learn now how to report outages and check outages online.

Call 1.800.755.5000 to report gas odor or downed wires.

Quieter weather conditions are predicted for Illinois. Be safe and take necessary precautions for any travel on snow and wind swept roads.

Take time to prepare for future storms. Learn how here.

Also, learn now how to report outages and check outages online.

Weather Summary

The northern portion of the Ameren Illinois service territory will experience some significant snowfall and the central portion may experience some minor ice accretion (less than one-tenth of an inch). Even so, we are likely to experience hazardous driving and walking conditions later today and through the overnight hours.   

County Winter Weather Advisories:

A Winter Weather Advisory is in effect from Noon until midnight for these counties: Knox, Marshall, Peoria, Stark, Woodford. Heaviest snowfall expected between 2 p.m. and 8 p.m. Total accumulations of 2 to 3 inches with higher amounts from Altona to Lacon to Toluca. 

A Winter Weather Advisory s in effect until 9 p.m. for these counties: Bureau, Henry, Putnam, Rock Island. Two to 5 inches of snow possible. 

A Winter Weather Advisory s in effect until 1 a.m. for these counties: La Salle. Three to 6 inches of snow possible. 

A Winter Weather Advisory is in effect from Noon to 4 a.m. Saturdayfor these counties: Clark, Clay, Coles, Crawford, Cumberland, Douglas, Edgar, Effingham, Jasper, Lawrence, Moultrie, Richland, Shelby, Freezing rain and sleet will develop this afternoon, especially after 3 p.m. Heaviest precipitation this evening. Very light accumulations – up to a tenth of an inch of ice and less than a half inch of snow and sleet. 

Take time now to prepare for storms. Learn how here. 

Call 1.800.755.5000 to report gas odor or down power wires.

There are two storm systems developing to our northwest that are forecasted to move across Illinois area later today, this evening and tomorrow.  Accompanying the second storm is a threat of some ice accretion across the southern half of Ameren Illinois service territory.  

We will continue to monitor conditions and the regional forecast as this storm develops and we’ll send additional information as it may be warranted.

Weather Updates:

Jan 19th, first storm

A clipper system today will be all snow across central Illinois with this moving east of the state by the mid afternoon hours. Snow of 0.5-2 inches are possible along and north of I-70 with under 0.5 inch south of there today.

Jan 20th, second storm

Then the next system moves into the state tomorrow morning after 7am generally along and north of a line from Macomb to Bloomington through much of the day as snow but late in the afternoon say after around 3-4pm, mixed precipitation develops south of that area from eastern Missouri into the southern half of Illinois. To start it looks like plain rain along and south of I-64 with a thin area of freezing rain from I-64 to I-70 and then sleet and snow to the north of that and this continues into much of the evening. As this pulls away the ice/snow line will shift southeastward after midnight tomorrow night before it all ends before daybreak Saturday. Icing looks to be around 0.05 inch or less. Snow and sleet looks to come in around 1 inch or less south of I-72. Heavier snows will be to the north of there at 4-8 inches north of a Macomb to Bloomington line. Winds on Friday will be out of the east to northeast at 7-14 mph with gusts generally under 20 mph and these will turn out of the north at night.

Take time now to prepare for storms. Learn how here. 

Call 1.800.755.5000 to report gas odor or downed wires.

Quieter weather conditions are predicted for Illinois today. Be safe and take necessary precautions for any travel on snow and wind swept roads.

Take time to prepare for future storms. Learn how here.

Also, learn now how to report outages and check outages online.

Due to snow accumulations and wind gusts, hazardous driving conditions are expected today and tomorrow.  Roadways are snow covered and slick.  Visibility is significantly reduced with wind conditions.  Wind chills are expected in the single digits to lower teens.

Take time now to prepare for storms. Learn how here. 

Call 1.800.755.5000 to report gas odor or downed wires.

Quieter weather conditions are predicted for Illinois south of I-80. The Ameren Illinois orgainization is standing down from a heightened state of preparedness and returning to status GREEN – Normal Operations, effective at 05:30 this morning.

Take time to prepare for future storms. Learn how here.

Severe weather possible as a 20-25% chance of severe storms may develop this afternoon in the southeast portion of the Ameren Illinois service territory, particularly south and east of a line running from Danville, IL to Cape Girardeau, MO. 

Based on this weather forecast guidance and the accompanying threat for severe weather, the Ameren Illinois Emergency Operations Center staff is declaring a YELLOW  weather alert for the organization.  The organization is ready to respond if needed.

Take time now to prepare for storms. Learn how here.

Call 1.800.755.5000 to report gas odor or downed wires.