Humid tonight to Thursday Details >
May 18, 2013; 8:39 PM ET A thundershower tonight
Tens of thousands of commuters are bracing for a difficult trip around southwest Connecticut and to New York City beginning Monday as workers repair the Metro-North commuter rail line crippled by a derailment and crash.
Severe thunderstorms will begin to fire up later Sunday afternoon from Minneapolis to Oklahoma City. Large hail and tornados will be a major threat.
Despite record-breaking flooding in parts of the Midwest this year, budget cuts threaten to shut down hundreds of stream gauges across the United States.
Cold temperatures in the Midwest and Northeast will sneak as far southward as northern Georgia to start the week.