You should have a heavier coat tonight. Temperatures will be tolerable, but chilly - in the mid- to upper 30s to start the evening and mostly in the lower to mid-30s early on Friday morning. Mostly cloudy for much of the evening with a brief rain shower or flurry possible tonight, but much of the night is dry with some clearing into Friday morning.

Friday will start off looking great with a mostly sunny to partly cloudy sky in the morning, along with temperatures in the 30s. After the official start to spring at 10:46 a.m., more clouds arrive in the afternoon. Temperatures will warm into the upper 40s to near 50 degrees.

While tree pollen has been active over the past couple of weeks, the start of spring also signifies that allergy season will be ramping up very soon. Current tree pollen levels are moderate still through Friday.

Keep the umbrella and rain jacket with you for the evening. From around 5 p.m. until midnight, there will be periods of light to moderate rain showers. It becomes a bit windy, too, with some wind gusts between 20 and 30 mph. Rain amounts look light, generally around or less than a quarter of an inch. After midnight, the sky will clear into Saturday morning with temperatures in the upper 30s to low 40s. Below is a look at the future radar timing that includes this rain that moves through Friday evening.

The weekend forecast improved greatly today, especially for Saturday. Saturday looks great now with highs in the 50s under a mostly sunny sky. Lows at night will be around the middle to upper 30s.

More clouds move in for Sunday. Most of the day will be dry with highs around the lower to middle 50s. Rain showers return for a short time Sunday night into early Monday morning.

TONIGHT: Variably cloudy before midnight with a spotty rain shower or flurry. Becoming partly cloudy after midnight. Temperatures in the low to mid-30s into Friday morning. Wind: Light out of the west-southwest.

FRIDAY: SPRING BEGINS AT 10:46 A.M. Mostly sunny in the morning. More clouds in the afternoon with a few hours of light to moderate rain showers after 5 p.m. Highs will be around 50 degrees. Becoming breezy into the evening, too. Wind: southwest 10 to 20 mph with some gusts closer to 30 mph. Lows near 42.

SATURDAY: Mostly sunny. Highs around 56 degrees. Lows near 39.

SUNDAY: Partly sunny to mostly cloudy. Highs around 55 degrees. Lows near 40 degrees with a few rain showers developing at night.

MONDAY: A few early morning rain showers, followed by sun into the afternoon. Highs around 49 degrees. Lows near 28.

TUESDAY: Sun and clouds. Highs around 42 degrees. Lows near 33.

WEDNESDAY: An early morning rain shower. Otherwise, a mix of sun and clouds. Highs around 48 degrees. Lows near 35.

THURSDAY: Sun and clouds. Highs around 48 degrees. Lows near 44.