Moderate

Patchy frost is possible early Saturday morning, mainly in valleys. The amount of clouds overnight will affect the ability for temperatures to cool off. There is uncertainty regarding the amount of cloudiness. Greater amounts of clouds overnight would prevent frost, while fewer clouds could would allow for more frost. People with sensitive plants outside may want to consider protecting them just in case the frost tends toward the greater end of the potential.

* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...North winds 15 to 25 mph with gusts up to 30 mph. * WHERE...Aransas Islands, Calhoun Islands, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Kleberg Islands, and Nueces Islands Counties. * WHEN...Until 10 AM CDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of Northern and North Central Iowa. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures as cold as 30 degrees expected. * WHERE...Crawford and Southern Erie Counties. * WHEN...Until 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Forest, Jefferson PA, Mercer, Venango, Lawrence, Armstrong, Butler, and Clarion Counties. * WHEN...From midnight tonight to 8 AM EDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Dangerous rip currents and strong longshore currents in the surf zone. * WHERE...The beaches north of Cape Hatteras. * WHEN...From 8 AM EDT Saturday through Saturday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Strong longshore currents will create dangerous swimming conditions. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 2:00 PM Saturday.

* WHAT...Strong north to south longshore current. There is also a Moderate Risk of rip currents expected at New Hanover beaches. * WHERE...In North Carolina, Coastal New Hanover County. In South Carolina, Coastal Georgetown County. * WHEN...From 6 AM EDT Saturday through Saturday evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore.

* WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Portions of central, south central, southwest, and west central Michigan. * WHEN...From midnight tonight to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Gusty southeast winds will persist across the Anchorage Hillside and Palmer through tonight. Northerly winds currently across the Anchorage Bowl will eventually turn southeasterly late this afternoon into the early evening hours. Southeast winds will begin to diminish late tonight across the Anchorage Hillside and Palmer. However, southeast winds will continue through Turnagain Arm and bend into the Anchorage Bowl through Saturday, but not to