Future

Responsive action SHOULD be taken in the near future

Illinois Severe Thunderstorm Watch | Effective 05/18/2026 10:44

SEVERE THUNDERSTORM WATCH 220 REMAINS VALID UNTIL 5 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 8 COUNTIES IN EAST CENTRAL ILLINOIS CLARK CUMBERLAND IN SOUTHEAST ILLINOIS CLAY CRAWFORD EFFINGHAM JASPER LAWRENCE RICHLAND THIS INCLUDES THE CITIES OF EFFINGHAM, FLORA, GREENUP, LAWRENCEVILLE, MARSHALL, NEWTON, OLNEY, AND ROBINSON.

Michigan Severe Thunderstorm Watch | Effective 05/18/2026 10:00

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 221 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MICHIGAN THIS WATCH INCLUDES 21 COUNTIES IN CENTRAL MICHIGAN CLARE GRATIOT ISABELLA MECOSTA MONTCALM OSCEOLA IN SOUTH CENTRAL MICHIGAN CALHOUN CLINTON EATON INGHAM IONIA JACKSON IN SOUTHWEST MICHIGAN ALLEGAN BARRY KALAMAZOO

Colorado Freeze Watch | Effective 05/18/2026 09:50

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 17 expected. For the Freeze Watch, sub-freezing temperatures as low as 22 possible. * WHERE...Central Yampa River Basin and Lower Yampa River Basin. * WHEN...For the Freeze Warning, from midnight tonight to 10 AM MDT Tuesday. For the Freeze Watch, from late Tuesday night through Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Illinois Flood Watch | Effective 05/18/2026 09:24

Repeated rounds of storms through this evening could result in flash flooding due to excessive rainfall. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central, east central, and southeast Illinois, including the following counties, in central Illinois, Shelby. In east central Illinois, Clark, Coles, Cumberland, Douglas, Edgar and Moultrie. In southeast Illinois, Clay, Crawford, Effingham, Jasper, Lawrence and Richland. * WHEN...Until 10 PM CDT this evening.

Indiana Flood Watch | Effective 05/18/2026 09:33

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central, south central, southwest, and west central Indiana, including the following counties, in central Indiana, Morgan. In south central Indiana, Monroe. In southwest Indiana, Greene, Knox and Sullivan. In west central Indiana, Clay, Owen, Parke, Putnam, Vermillion and Vigo. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

Indiana Severe Thunderstorm Watch | Effective 05/18/2026 09:37

SEVERE THUNDERSTORM WATCH 220 REMAINS VALID UNTIL 5 PM CDT /6 PM EDT/ THIS AFTERNOON FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF CHESTERTON, DEMOTTE, FOWLER, GARY, HAMMOND, KENTLAND, MERRILLVILLE, MOROCCO, OXFORD, PORTAGE, RENSSELAER, ROSELAWN, AND VALPARAISO.

Illinois Severe Thunderstorm Watch | Effective 05/18/2026 09:40

SEVERE THUNDERSTORM WATCH 220 REMAINS VALID UNTIL 5 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 12 COUNTIES IN EAST CENTRAL ILLINOIS CLARK COLES CUMBERLAND DOUGLAS EDGAR VERMILION IN SOUTHEAST ILLINOIS CLAY CRAWFORD EFFINGHAM JASPER LAWRENCE RICHLAND THIS INCLUDES THE CITIES OF CHARLESTON, DANVILLE, EFFINGHAM, FLORA, GREENUP, LAWRENCEVILLE, MARSHALL, MATTOON, NEWTON, OLNEY,
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