Missouri – Headlights glow in thick, milky fog across St. Louis this morning. Visibility drops in pockets, especially near rivers and low-lying roads. A Dense Fog Advisory remains in effect through 9 a.m., and drivers along I-64, I-70, and I-44 should slow down.
Temperatures already sit near 48 degrees at Lambert Airport. Humidity is high, and the air feels damp. Fog gradually lifts through mid-morning, but scattered showers and thunderstorms may develop later. A 50% chance of storms arrives between late morning and mid-afternoon. Gusts could reach 23 mph, so secure loose items.
Highs surge to around 69 degrees, delivering rare February spring vibes. Winds shift southwest at 9 to 14 mph. While severe weather is not guaranteed, brief downpours could reduce visibility quickly. Plan for changing road conditions by afternoon.
Skies clear tonight with cooler air settling in. Lows fall to the upper 30s under partly cloudy skies. Friday turns sunny and calmer, with highs near 50 degrees and west winds gusting close to 29 mph.
Saturday starts bright, then a slight chance of rain develops after noon. A rain-to-snow mix is possible after 3 p.m., though accumulation looks minimal. Highs reach the upper 40s before colder air moves in Saturday night. Lows drop to the mid-20s, raising a flash freeze concern if roads remain wet.
Sunday stays sunny but cooler, with highs near 40. Early next week remains dry and seasonably cool, then temperatures climb steadily. Long-range trends signal a warming stretch from Monday into next weekend, hinting at early spring warmth.
Five Day Outlook – St. Louis, MO:
Friday: Sunny, high 50.
Saturday: Slight rain/snow chance, high 47.
Sunday: Sunny, high 40.
Monday: Sunny, high 37.
Tuesday: Mostly sunny, high 51.
