Loudoun County Weather Outlook for Tuesday, June 17, 2025

6/17/2025

🌥️ Mostly Cloudy with a Humid Feel Today

Expect mostly cloudy skies, but becoming sunny. It will feel more humid, and there’s a chance of scattered showers and storms. We're under a marginal risk for severe weather, mainly for gusty winds.

🌡️ Turning Hot and Stormy Wednesday

Temps jump to around 90°F with humidity. Look for afternoon and evening storms, some of which may be strong to severe. Another marginal risk is in place.

🔥 Hot Thursday

Cooler and a touch less humid with highs in the mid-80s. Heat index will push 100°F! We are under a slight risk (15%) for severe storms.

🌤️ Brief Break Friday

A bit cooler and slightly less humid, with highs in the mid-80s.

🌡️ Heat Builds Through the Weekend

Back to 90°F Saturday, then surging to the mid-90s Sunday

🥵 Extreme Heat Next Week

Monday's highs will be in the mid to upper 90s, with heat indices nearing 105°F. This dangerous heat looks to linger through much of next week.

The forecast:

Wednesday: Hi 89 ⛈️80% Lo 70 🌧️80% – Showers and thunderstorms with isolated severe storms possible

Wednesday: Hi 89 ⛈️80% Lo 70 🌧️80% – Showers and thunderstorms with isolated severe storms possible.

Thursday (Juneteenth): Hi 91 🌧️60% Lo 65 🌧️60% – Mostly sunny morning, then showers and thunderstorms likely developing in the afternoon and early evening. There could be strong to severe storms.

Friday: Hi 86 ☀️ Lo 66 🌙 – Sunny

Saturday: Hi 91 🌤️ Lo 71 🌙 – Hot and sunny.

Sunday: Hi 95 🥵☀️ Lo 74 🌙 – Hot and sunny

Monday: Hi 97 🌡️☀️ Lo 75 🌙 – Very hot