Heavy Snow In Upper Midwest; Locally Heavy Rain with Mountain Snow Out West

A quick-moving clipper system is expected to produce a streak of heavy snow from the Dakotas through the Upper Mississippi Valley and Great Lakes. Meanwhile, a series of storm systems will keep the West wet and unsettled through this weekend, bringing rounds of locally heavy rainfall and widespread heavy snowfall across the terrain from the Casacdes and Sierra to the northern and central Rockies. Read More >

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Last Map Update: Wed, Dec. 11, 2019 at 5:40:26 pm CST

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Climate

Rain will move out of the area this morning. Clouds will decrease from the northwest later this morning and this afternoon, but coastal areas could stay cloudy all day. It will remain breezy and chilly with high temperatures only in the 50s.

Clouds linger for near coastal and marine areas of southeastern Louisiana and southern Mississippi with some isolated showers. Otherwise, it will be clear to partly cloudy with overnight lows from the upper 30s north to the upper 40s south.

Clouds and a chance for showers will return to all of southeast Louisiana and south Mississippi by late in the day on Thursday. It will be slightly warmer than today with highs from the upper 50s to middle 60s.

Climate Data for December 11...Here are the 30 Year Climate Normals (1981-2010), Record High, Record Low, and Record Precip for following locations: N.O. Intl Airport (since 1946) ....65/48...82(1949)...26(1995)...3.03"(1953).... Baton Rouge (since 1892) ....65/43...83(2007)...23(1995)...3.42"(1983).... Biloxi (since 1893) ....63/46...77(1946)...25(1934)...2.62"(1976).... McComb (since 1948) ....61/40...81(1949)...20(1957)...1.96"(1964).... New Orleans (since 1871) ....66/48...84(1931)...27(1934)...4.06"(1920).... Slidell (since 1956) ....64/43...79(1985)...24(1973)...2.09"(1972).... On this day in 2008...Widespread snowfall across much of southeast Louisiana, beginning early in the morning and continuing through midday. The snow, which was heavy at times, occurred along and to the north of Interstate 12 from east of Baton Rouge to the Pearl River. Snowfall amounts of 2 to 6 inches were common in this area with 6 to 8 inches occurring in sections of Tangipahoa Parish. The weight of the snow resulted in widespread power outages and tree damage in areas that received the higher snowfall totals. South and southwest of Lake Pontchartrain (including the New Orleans metropolitan area), snowfall totals of 1 to 2 inches were common.