Active Weather Alerts
Frost Advisory
Issued: 6:53 AM Apr. 19, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT /10 AM EDT/ THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT CDT /1 AM EDT/ TONIGHT TO 9 AM CDT /10 AM EDT/ MONDAY... * WHAT...For the Frost Advisory, temperatures as low as 32 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 27 expected, with the coldest conditions across interior northern Illinois. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...For the Frost Advisory, until 9 AM CDT /10 AM EDT/ this morning. For the Freeze Warning, from midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM EDT/ Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
Freeze Warning
Issued: 6:53 AM Apr. 19, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT /10 AM EDT/ THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT CDT /1 AM EDT/ TONIGHT TO 9 AM CDT /10 AM EDT/ MONDAY... * WHAT...For the Frost Advisory, temperatures as low as 32 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 27 expected, with the coldest conditions across interior northern Illinois. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...For the Frost Advisory, until 9 AM CDT /10 AM EDT/ this morning. For the Freeze Warning, from midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM EDT/ Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
River Flood Warning
Issued: 1:40 AM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring and forecasted to continue. * WHERE...Fox River from Red Gate Road in St. Charles downstream to Millington, including the Montgomery gauge. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 13.7 feet. - Forecast...The river is expected to remain steady through early next week. - Flood stage is 13.5 feet. - http://www.weather.gov/safety/flood &&
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