Sunshine will bring Alton and the River Bend a chilly Saturday, with temperatures climbing above freezing to a high of 48 degrees. Clear skies follow Saturday night, when the low drops to 26. The weekend stays mostly sunny, with a modest warmup Sunday before a gradual rise in temperatures continues into next week.
The cold is already evident: Alton reported 22 degrees at 6:43 a.m. Saturday under sunny skies. Despite the daytime warming, another night well below freezing could threaten tender plants left outdoors. Saturday’s forecast calls for plenty of sunshine, making cold temperatures, rather than precipitation, the main concern through tonight.
Sunday brings a high of 52 degrees, four degrees warmer than Saturday, with mostly sunny skies. That improvement applies to daytime temperatures; Sunday night remains cold, with clear skies and a low of 28. The weekend’s contrast between sunny days and freezing nights continues even as daytime highs begin moving into the 50s.
The warming continues Monday with plenty of sunshine, a high of 55 and a clear night with a low of 33. Tuesday also looks sunny, with a high of 57 followed by clear skies and an overnight low of 37. Both nights should be milder than the weekend’s.
By Wednesday, the forecast reaches a high of 61 with sun and some clouds. South winds strengthen to about 12 mph, with gusts near 23 mph that could move loose outdoor items. Wednesday night looks partly cloudy and considerably milder, with a low of 47 and a slight, 14% chance of rain.
Get the latest updates on weather conditions here: RiverBender.com/weather.
