Big Bear Lake. Forecast. 0%48Â°25Â°Night - Clear. Winds from WNW to NW at 4 to 7 mph (6.4 to 11.3 kph). The overnight low will be 28 Â°F (-2.2 Â°C).Sunny with a high of 49 Â°F (9.4 Â°C). Winds variable at 4 to 9 mph (6.4 to 14.5 kph). 0%58Â°29Â°Sunny today with a high of 58 Â°F (14.4 Â°C) and a low of 29 Â°F (-1.7 Â°C).
If your tomato plants are producing tomatoes but the edges of the leaves curl upward, this is known as leaf curl or leaf roll. If your plants are not producing, and the leaves are yellowing as well as curling, it may be due to a viral infection.
Environmental stress from bouts of cool rainy weather, herbicide damage, severe pruning, sucking insects and viruses tend to cause tomato leaves to curl. Yo-yo watering and severe pruning may cause a tomato plant temporarily to develop thick, leathery leaves that curl upwards. In this case, the plant shows no effects on flowering, fruiting or growth. The plant should re-adjust within the week. <br /><br /><b>Herbicide damage</b>, particularly from <b>2,4-D</b>, may cause tomato leaves to curl first downwards and then upwards. In this case, the plant may show such effects as cat-faced fruit, stunted growth and twisted leaves.