Future

Responsive action SHOULD be taken in the near future

Michigan Severe Thunderstorm Watch | Effective 05/18/2026 10:03

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH<br /> 221 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MICHIGAN THIS WATCH INCLUDES 17 COUNTIES IN SOUTHEAST MICHIGAN BAY GENESEE HURON<br /> LAPEER LENAWEE LIVINGSTON<br /> MACOMB MIDLAND MONROE<br /> OAKLAND SAGINAW SANILAC<br /> SHIAWASSEE ST. CLAIR TUSCOLA<br /> WASHTENAW WAYNE

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

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as<br /> 17 expected. For the Freeze Watch, sub-freezing temperatures as<br /> 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<br /> Tuesday. For the Freeze Watch, from late Tuesday night through<br /> Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other<br /> sensitive vegetation and possibly damage unprotected outdoor<br /> plumbing.<br />

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

Repeated rounds of storms through this evening could result in<br /> flash flooding due to excessive rainfall. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central, east central, and southeast Illinois,<br /> including the following counties, in central Illinois, Shelby. In<br /> east central Illinois, Clark, Coles, Cumberland, Douglas, Edgar<br /> and Moultrie. In southeast Illinois, Clay, Crawford, Effingham,<br /> 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<br /> central Indiana, including the following counties, in central<br /> Indiana, Morgan. In south central Indiana, Monroe. In southwest<br /> Indiana, Greene, Knox and Sullivan. In west central Indiana, Clay,<br /> Owen, Parke, Putnam, Vermillion and Vigo. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers,<br /> 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<br /> EDT/ THIS AFTERNOON FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN<br /> NEWTON PORTER THIS INCLUDES THE CITIES OF CHESTERTON, DEMOTTE, FOWLER, GARY,<br /> HAMMOND, KENTLAND, MERRILLVILLE, MOROCCO, OXFORD, PORTAGE,<br /> 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<br /> AFTERNOON FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 12 COUNTIES IN EAST CENTRAL ILLINOIS CLARK COLES CUMBERLAND<br /> DOUGLAS EDGAR VERMILION IN SOUTHEAST ILLINOIS CLAY CRAWFORD EFFINGHAM<br /> JASPER LAWRENCE RICHLAND THIS INCLUDES THE CITIES OF CHARLESTON, DANVILLE, EFFINGHAM,<br /> FLORA, GREENUP, LAWRENCEVILLE, MARSHALL, MATTOON, NEWTON, OLNEY,<br />

Nebraska Flood Watch | Effective 05/18/2026 09:01

* WHAT...Flash flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...A portion of southeast Nebraska, including the following<br /> counties, Gage, Jefferson, Johnson, Lancaster, Nemaha, Otoe,<br /> Pawnee, Richardson, Saline and Seward. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers,<br /> creeks, streams, and other low-lying and flood-prone locations.<br /> Low-water crossings may be flooded. * ADDITIONAL DETAILS...<br />

Iowa Flood Watch | Effective 05/18/2026 09:01

* WHAT...Flash flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...A portion of southwest Iowa, including the following<br /> counties, Fremont and Page. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers,<br /> creeks, streams, and other low-lying and flood-prone locations.<br /> Low-water crossings may be flooded. * ADDITIONAL DETAILS...<br /> - Several inches of rain have fallen across portions of<br /> southeastern Nebraska. Additional rainfall is expected through<br />

Illinois Flood Watch | Effective 05/18/2026 09:22

* WHAT...Flash flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...A portion of south central Illinois, including the<br /> following areas, Bond IL, Clinton IL, Fayette IL, Marion IL and<br /> Washington IL. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers,<br /> creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS...<br /> - Potential rainfall amounts of 1 to 2 inches, with localized<br /> higher amounts of 2 to 4 inches.<br />
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