SOUTHWEST LOUISIANA: There will be a 30% chance for thunderstorms today increasing to 100% tonight. Conditions will clear up tomorrow through Wednesday with a 20% chance for rain returning Wednesday night. There will be a 30-70% chance for rain Thursday through Friday.
Temperature: Monday: 62/40, Tuesday: 48/29, Wednesday: 49/32, Thursday: 47/37, Friday: 46/35
HAZARDOUS WEATHER: No hazardous weather to report
The Atchafalaya River at Morgan City is currently at 5.48 feet (minor flood stage). The river is expected to fluctuate between 5.4 feet and 5.7 feet through Friday. Flood stage is 4 to 7 feet. At 5 to 6 feet, floodwall gates will be closed to protect against higher stages. Vessel traffic will be affected by stronger river current and vessel traffic safety rules will be strictly enforced by the U.S. Coast Guard.
The Sabine River at Deweyville is currently at 24.24 feet (minor flood stage). Flood stage is 24 to 26 feet. The river is expected to drop to below flood stage (24 feet) by Friday. At 24 to 25 feet low-lying roads in southwestern Beauregard Parish including Robert Clark Road may have water over them.
The Calcasieu River at Oberlin is currently at 14.04 feet (minor flood stage). The river will rise to 14.5 feet and remain there until Thursday ten begin dropping to 14 feet by Friday. Flood stage is 13 to 15 feet. Between 13 and 15 feet, minor low land flooding near the river will occur.
The Whiskey Chitto Creek at Mittie is currently at 15.76 feet (minor flood stage). Flood stage is 15 to 20 feet. The creek is expected to rise to 16.2 feet today then begin dropping to below 15 feet (minor flood stage) by Tuesday. Between 15 and 20 feet, minor low land flooding near the creek will occur.
SOUTHEAST LOUISIANA: Today will be partly sunny but there will be a 100% chance for rain tonight. Conditions will be mostly clear Tuesday through Wednesday with a 20% chance for rain returning Wednesday night. There will be a 70% chance for rain on Thursday with rain continuing through Friday.
Temperature: Monday: 60/43, Tuesday: 51/28, Wednesday: 51/34, Thursday: 49/38, Friday: 47/35
HAZARDOUS WEATHER: Many rivers and streams remain in high flows or in flood stage. Several have crested and are falling below flood stage but with more rain expected late today and overnight this will slow down the falling process and maybe even turn some rivers and streams around for a short time. After a cold front moves through early Tuesday strong cold air pushing into the region along will help to increase the winds over the area. Small craft advisory conditions will likely develop across the coastal waters Tuesday through Wednesday. An area of low pressure is anticipated to develop in the western Gulf and move east across the middle or northern Gulf waters late Thursday and Friday. Moisture will increase over the region and as precipitation starts to develop and fall towards the ground it will cause the temperatures to cool further. At this time the chances are increasing that we could see some frozen precipitation mix in with rain north of the I-10/12 corridor especially across southwestern Mississippi and the northern Florida parishes. There is still quite a bit of uncertainty in the forecast but the models are starting to indicate certain things lining up for the possibility of moderate to heavy snow across extreme northern zones of the outlook area with accumulations possible.
The Mississippi River at Red River Landing is currently at 50.3 feet (minor flood stage). Flood stage is from 48 to 55 feet. The river is expected to rise to 51 feet by Thursday. At 48 to 51 feet, access roads may be inundated and evacuation of all river islands should be complete. Protection of people and property in the river bottom land on the river side of the levees should be complete.
The Pearl River at Bogalusa is currently at 20.88 feet (minor flood stage). The river is expected to remain at its current level until Tuesday then drop to and remain at about 20.7 feet Thursday through Friday. Flood stage is 18 to 21 feet. Between 18.5 to 20 feet, woodlands and crop acreage along the river will be flooded. The Bogue Chitto wildlife management area will be inundated with water in recreational camps and over access roads.
The Pearl River at Pearl River is currently at 16.97 feet (minor flood stage). The river is expected to continue rising to 17.5 feet (moderate flood stage) today and remain there until Wednesday then drop to 16.8 feet (minor flood stage) by Friday. Minor flood stage is 14 to 17 feet and moderate flood stage is 17 to 18 feet. Between 17 to 18 feet (moderate flood stage) improved roads near the river may be covered with low water. Gum Bayou may back up flooding the lower portions of streets in River Gardens Subdivision. Secondary roads to the river throughout Honey Island Swamp may remain inundated. Property in the vicinity of the Cage may be flooded threatening about 20 homes along the left bank.
The Bogue Chitto River at Bush is currently at 12.3 feet (minor flood stage). The river is expected to drop to below 11 feet (flood stage) by Tuesday. Flood stage is from 11 to 15 feet. At 11 to 13 feet, the access road upstream of the bridge may flood. The river may leave the main channel on the left bank below the bridge flooding wood lands on either side of Louisiana Highway 21.
The Tangipahoa River at W Robert is currently at 15.93 feet (minor flood stage). Flood stage is 15 to 18 feet. The river is expected to drop to below 15 feet (flood stage) later today and continue to drop. At 15 to 16 feet there may be minor flooding near the river.
CENTRAL LOUISIANA: There is a 40% chance for thunderstorms today increasing to 100% tonight. It will be mostly clear Tuesday through Wednesday with a 20% chance for rain returning Wednesday night. There will be a 40-70% chance for rain Thursday through Friday.
Temperature: Monday: 58/38, Tuesday: 47/28, Wednesday: 48/31, Thursday: 46/34, Friday: 44/34
HAZARDOUS WEATHER: No hazardous weather to report
The Calcasieu River near Glenmora is currently at 14.89 feet (minor flood stage). Flood stage is 12 to 16 feet. The river is expected to drop to 12.2 feet by Friday. Between 12 and 14 feet, some roads upstream from Glenmora, including Strothers crossing road near the community of Calcasieu and Price Crossing Road near Hineston have water on them and are subject to being closed. Flooding of forested areas near the river may occur.
NORTHERN LOUISIANA: There is a 70% chance for rain today with a 100% chance for rain/snow mix tonight. A 20% chance for snow continues for tomorrow with conditions clearing Tuesday night. Conditions remain clear Wednesday. There is a 30% chance for snow/sleet Thursday turning to a 30-50% chance for rain/snow Thursday night through Friday.
Temperature: Monday: 49/32, Tuesday: 45/26, Wednesday: 45/29, Thursday: 42/31, Friday: 40/30
HAZARDOUS WEATHER: An upper level storm system swinging from the southern Rockies and out into the plains will phase with another upper level storm system spreading from the upper and central sections of the country. This will send a several low pressure areas and connecting frontal systems and troughs of low pressure east resulting in showers and embedded thunderstorms. While no widespread severe thunderstorm activity is expected with this system a few thunderstorms may be strong producing gusty winds and small hail. A few of the stronger storms will also be capable of producing periods of heavy rain resulting in ponding of water in low lying and poor drainage areas and sending small streams, creeks, and drainage systems out of their banks. Also cold air spilling south will produce a wintry mix across the area north of the Interstate 20 corridor before the precipitation ends on Tuesday morning. As the system exits and colder air filters into the region during the early morning hours of Tuesday there is also the possibility that the residual rain will become mixed with light snow mainly along and of Interstate 20. Tuesday will be a cold day and blustery day as cold air and strong and gusty northerly winds accompany high pressure building into the area in wake of the exiting cold front.
Another round of rains will arrive during the evening Wednesday and after midnight change over to a mix of rain or sleet across the southern sections of the four state region south of the Interstate 20 corridor and west of the Interstate 49 corridor. The rain is expected to expand and continue developing north across the four state region during Thursday. For now expect a mix of rain, sleet, or snow. During the afternoon Thursday temperatures will warm up enough to change most of the wintry mix into liquid but overnight Thursday and into early Friday the cold temperatures and cool atmospheric profile may return precipitation back to wintry mix.
Bodcau Bayou at Bayou Bodcau Lake is currently at 182.09 feet (minor flood stage). Minor flood stage is between 172 and 192 feet. The bayou is expected to drop to 180 feet by Friday. Between 170 to192 feet, expect minor lowland flooding along the lake. Red Chute Bayou below the lake may be at bank full. Some secondary roadways may suffer flooding.
Ouachita River at Monroe is currently at 40.04 feet (minor flood stage). The river is expected to drop to below flood stage by Tuesday. Flood stage is 40 to 43 feet. At 40 feet, minor backwater flooding may affect small bayous that drain into the Ouachita River along with minor lowland flooding immediately adjacent to the river.
Bayou Dorcheat near Springhill is currently at 12.89 feet (minor flood stage). Flood stage is 11 to 18 feet. The bayou is expected to rise to 13.5 feet Tuesday then begin dropping to 12.9 feet on Friday. Between 11 and 18 feet, expect minor lowland flooding.
The Boeuf River at Fort Necessity is currently at 51.41 feet (minor flood stage). Flood stage is from 50 to 55 feet. The river is expected to drop to below flood stage by Friday. Between 50 and 55 feet, widespread flooding of farm and agricultural land may be occurring along and near the river.
The Mississippi River at Natchez, MS is currently at 48.01 feet (minor flood stage). Flood stage is from 48 to 51 feet. The river is expected to rise to 48.5 feet by Wednesday and remain at that level through Friday. Between 48 and 51feet, Carthage Point Road may become impassable.
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