Future

Responsive action SHOULD be taken in the near future

Wyoming Freeze Watch | Effective 05/18/2026 12:00

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures<br /> as low as 18 expected. For the Freeze Watch Tuesday night,<br /> sub-freezing temperatures as low as 20 possible. * WHERE...Upper North Platte River Basin. * WHEN...For the Freeze Warning, from midnight tonight to 10 AM MDT<br /> Tuesday. For the Freeze Watch, from Tuesday evening through<br /> Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other<br /> sensitive vegetation and possibly damage unprotected outdoor<br /> plumbing.<br />

Wyoming Freeze Watch | Effective 05/18/2026 12:00

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures<br /> as low as 17 expected. For the Freeze Watch Tuesday night,<br /> sub-freezing temperatures as low as 26 possible. * WHERE...Laramie Valley. * WHEN...For the Freeze Warning, from 8 PM this evening 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 />

Wyoming Freeze Watch | Effective 05/18/2026 12:00

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures<br /> as low as 12 above expected. For the Freeze Watch Tuesday night,<br /> sub-freezing temperatures as low as 18 possible. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains,<br /> North Snowy Range Foothills, Shirley Basin, and Southwest Carbon<br /> County. * WHEN...For the Freeze Warning, from 6 PM this evening to noon MDT<br /> Tuesday. For the Freeze Watch, from Tuesday evening through<br /> Wednesday morning.

Indiana, Michigan, Ohio Severe Thunderstorm Watch | Effective 05/18/2026 12:08

SEVERE THUNDERSTORM WATCH 220 REMAINS VALID UNTIL 6 PM EDT THIS<br /> EVENING FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 9 COUNTIES IN NORTHERN INDIANA ADAMS ALLEN IN BLACKFORD<br /> DE KALB GRANT HUNTINGTON<br /> JAY STEUBEN WELLS IN MICHIGAN THIS WATCH INCLUDES 2 COUNTIES IN SOUTHWEST MICHIGAN BRANCH HILLSDALE IN OHIO THIS WATCH INCLUDES 8 COUNTIES IN NORTHWEST OHIO ALLEN OH DEFIANCE FULTON OH<br />

Michigan Severe Thunderstorm Watch | Effective 05/18/2026 12:09

SEVERE THUNDERSTORM WATCH 221 REMAINS VALID UNTIL 8 PM EDT THIS<br /> EVENING FOR THE FOLLOWING AREAS IN MICHIGAN THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL MICHIGAN CLARE GRATIOT ISABELLA<br /> MECOSTA MONTCALM OSCEOLA IN SOUTH CENTRAL MICHIGAN CALHOUN CLINTON EATON<br /> INGHAM IONIA JACKSON IN SOUTHWEST MICHIGAN BARRY KENT IN WEST CENTRAL MICHIGAN LAKE NEWAYGO

Iowa, Nebraska Flood Watch | Effective 05/18/2026 12:20

* WHAT...Flash flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...Portions of southwest Iowa, including the following<br /> counties, Fremont and Page and southeast Nebraska, including the<br /> following counties, Gage, Jefferson, Johnson, Lancaster, Nemaha,<br /> Otoe, 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.

Iowa, Nebraska Flood Watch | Effective 05/18/2026 12:20

* WHAT...Flash flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...Portions of southwest Iowa, including the following<br /> counties, Mills and Montgomery and southeast Nebraska, including<br /> the following county, Cass. * 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 /> - Two to five inches of rain have fallen across portions of<br />

Indiana Severe Thunderstorm Watch | Effective 05/18/2026 11:49

SEVERE THUNDERSTORM WATCH 220 REMAINS VALID UNTIL 6 PM EDT THIS<br /> EVENING FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL INDIANA HAMILTON HANCOCK HENDRICKS<br /> JOHNSON MADISON MARION<br /> MORGAN SHELBY TIPTON IN EAST CENTRAL INDIANA DELAWARE HENRY RANDOLPH IN SOUTHWEST INDIANA SULLIVAN IN WEST CENTRAL INDIANA CLAY OWEN PUTNAM

Illinois, Missouri Flood Watch | Effective 05/18/2026 11:56

* WHAT...Flash Flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...Portions of southwest Illinois, including the following<br /> areas, Madison IL, Monroe IL and Saint Clair IL and east central<br /> Missouri, including the following areas, Jefferson MO, Lincoln MO,<br /> Saint Charles MO, Saint Louis City MO and Saint Louis MO. * WHEN...Through Tuesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers,<br /> creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS...<br />

Illinois, Missouri Flood Watch | Effective 05/18/2026 11:56

* WHAT...Flash flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...Portions of south central Illinois, including the following<br /> areas, Bond IL, Clinton IL, Fayette IL, Marion IL and Washington IL<br /> and Missouri, including the following areas, Boone MO, Callaway MO,<br /> Cole MO, Crawford MO, Franklin MO, Gasconade MO, Moniteau MO,<br /> Montgomery MO, Osage MO, Warren MO and Washington MO. * WHEN...Through Tuesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers,<br />
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