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Loudoun County, Virginia

The local outlook

Forecasts, updates and a little local perspective.

Loudoun Weather

Loudoun County Weather Outlook for Sunday, July 19, 2026

☀️ Sunny and Improving Today
Happy Sunday! Conditions are much better after a rough stretch, though patchy smoke may still linger from the Canadian wildfires. Temps are noticeably more comfortable.

🌤️ Another Nice Day Tomorrow
Monday looks great too, with similarly pleasant conditions.

⛈️ Storm Watch Tuesday and Wednesday
Showers and storms arrive Tuesday, and some could turn severe, with damaging wind the main threat and an isolated tornado or hail possible. Wednesday could bring more of the same.

🌤️ Beautiful Stretch Returns Thursday
Behind the storms, much nicer weather settles in by Thursday, with comfortable temps and lower humidity.

☀️ Great Weather Into the Weekend
Next weekend could be our nicest stretch in a while, with comfortable temps and lower humidity, though we'll watch for smoke again.

💧 Still Need Rain
Rain was spotty yesterday. South central and northern Loudoun saw decent totals, but areas in between mostly missed out.

🌀 Tropical Watch
A tropical depression has formed in the Gulf off the northwest coast of Florida and could become a storm this week.

The forecast:

Sun: Hi 84 🌞 Lo 63 – Pleasant, mostly sunny skies

Mon: Hi 83 🌞 Lo 68 🌧️40% – Mostly sunny, clouds increase with a chance of storms late

Tue: Hi 86 🌦️80% Lo 69 🌧️90% – Showers and storms likely, widespread by afternoon, lasting overnight

Wed: Hi 85 🌦️40% Lo 61 🌧️30% – Chance of showers and afternoon storms, lingering into evening

Thu: Hi 79 🌞20% Lo 59 – Mostly sunny, slight chance of morning showers

Fri: Hi 82 🌤️ Lo 63 ☁️ – Mostly sunny, clouds increase in the evening

Sat: Hi 84 🌤️20% Lo 63 – Mostly sunny, slight chance of showers and storms

#loudoun #loudouncountyva #vawx #loudounweather #loudounva #virginiaweather

Please support Tree of Life Ministries, an important organization to me! https://www.tolministries.org

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Loudoun Weather

Loudoun County Weather Outlook for Saturday, July 18, 2026

⚠️ ⚡ Severe Storms Possible
⚠️ 🌧️ Local Heavy Rain Possible

🌩️ Storms Possible Today
Humid and hazy with lingering smoke and cloud cover, which could help keep temps down and lower the severe threat a bit. Watching for strong to severe storms today, damaging wind the main concern. Hail and an isolated tornado can't be ruled out, along with locally heavy rain. Stay weather aware, especially if we clear out this afternoon.

🥵 Heat Building If Sun Breaks Through
If we see sunshine, temps climb fast and humidity will make it feel even hotter. Storms wrap up overnight.

☀️ Nice Sunday and Monday
Both days looking good to start the week.

🌧️ Storms Return Late Monday
Showers and storms possible late Monday.

⚡ Widespread Storms Tuesday, Wednesday
Tuesday brings a widespread severe threat, followed by more storms Wednesday as the front comes through.

☀️ Gorgeous Stretch Behind It
Thursday looks great, low 80s and lower humidity. Next weekend nice too, mid 80s and lower humidity.

The forecast:

Today: Hi 92🥵 ⛈️70% Lo 71 🌧️30% – Mostly cloudy with scattered showers and storms, some could be severe; storms taper off overnight. Heat index up to 102°, with smoke early

Sunday: Hi 85 🌞 Lo 63 – Mostly sunny and pleasant

Monday: Hi 84 🌤️20% Lo 68 🌧️20% – Mostly sunny with a slight chance of afternoon and evening storms, continuing overnight

Tuesday: Hi 87 ⛈️70% Lo 69 🌧️80% – Mostly cloudy with a good chance of showers and storms, some could be severe

Wednesday: Hi 84 🌦️40% Lo 61 🌧️30% – Partly sunny with a chance of afternoon storms, continuing into the evening

Thursday: Hi 80 🌞 Lo 61 – Sunny and clear

Friday: Hi 84 🌤️ Lo 61 – Mostly sunny

#loudoun #loudouncountyva #vawx #loudounweather #loudounva #virginiaweather

Please support Tree of Life Ministries, an important organization to me! https://www.tolministries.org

Facebook: https://facebook.com/loudounwx
Twitter: https://twitter.com/loudounwx
Instagram: https://www.instagram.com/loudounweather/
On the Web @ https://loudounweather.com
TikTok: https://www.tiktok.com/@loudounweather

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Loudoun Weather

Loudoun County Weather Outlook for Friday, July 17, 2026

⚠️ Air Quality Alert

🌫️ Smoky and Hazy Today
Wildfire smoke pushed our air quality into hazardous levels, so stay indoors if you can, skip strenuous outdoor activity, and limit your time outside. Smoke sticks around into tonight.

⚡ Severe Weather Watch for Tomorrow
Storms tomorrow could bring severe weather with high winds, isolated hail, and even possibly a tornado, though it's a low chance. Morning showers could rob some energy, and smoke may limit instability, lowering the threat.

☀️ Gorgeous Sunday Ahead
Sunday turns beautiful with lower humidity, a northerly breeze, and wall-to-wall sunshine. Monday keeps that same great feel.

🔥 Midweek Warm Up, Smoke Returns
Temperatures climb back up on Tuesday, and some smoke may return. A shower and storm threat arrives Tuesday evening, so we'll watch that closely. Cooler air follows for Wednesday with maybe a stray shower, and Thursday looks great too.

🔭 Looking Further Out
Temps look to trend a bit below normal heading into next weekend, and it's shaping up to be a potentially beautiful one.

This time of year, anything below normal feels like a win. Have a great day and we'll keep you posted!

The forecast:

Friday: Hi 88 ⛅ Lo 71 ☁️ – Widespread smoke, mostly cloudy overnight

Saturday: Hi 90 🌦️90% Lo 71 🌧️60% – Widespread smoke early, showers and thunderstorms likely

Sunday: Hi 85 🌤️ Lo 63 – Mostly sunny and pleasant

Monday: Hi 85 🌤️ Lo 68 ☁️ – Mostly sunny, becoming mostly cloudy overnight

Tuesday: Hi 89 🌦️30% Lo 70 🌧️60% – Chance of afternoon showers and thunderstorms, increasing into the evening

Wednesday: Hi 85 🌦️30% Lo 62 – Chance of showers, mostly sunny otherwise

Thursday: Hi 82 🌞 Lo 60 – Sunny and beautiful

#loudoun #loudouncountyva #vawx #loudounweather #loudounva #virginiaweather

Please support Tree of Life Ministries, an important organization to me! https://www.tolministries.org

Facebook: https://facebook.com/loudounwx
Twitter: https://twitter.com/loudounwx
Instagram: https://www.instagram.com/loudounweather/
On the Web @ https://loudounweather.com
TikTok: https://www.tiktok.com/@loudounweather
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Loudoun Weather

Loudoun County Weather Outlook for Thursday, July 16, 2026

🔥 Another Hot One Today We're topping out near 100° again today, with the heat index climbing into the low 100s. It's still a drier heat, so no heat advisory yet, but one could be issued. Stay smart if you're out in it.

🌫️ Hazy Skies Friday A slight chance of some thunderstorms overnight Thursday into Friday. Wildfire smoke drifting down from Canada will also make for a hazy day Friday.

🌧️ Rain Chances Climb This Weekend Friday night into Saturday is when things really change, with an 80% chance of rain Saturday. We'll be monitoring for any severe weather potential that day. Temps ease back into the mid to upper 80s both Saturday and Sunday, with showers and storms still possible Sunday too.

☀️ Clearing Monday, Warming Tuesday Monday looks clear with highs in the mid to upper 80s. Tuesday brings another shower/storm chance with a high near 90.

🍃 Cooler Trend by Wednesday Wednesday drops back into the mid to upper 80s, with a slight chance of a shower or storm. Could be the start of a cooler stretch, more low 80s instead of the upper 80s/low 90s we've had.

The forecast:

Thursday: Hi 98 🌡️ Lo 71 🌧️20% – Hot with heat index up to 103; slight chance of thunderstorms overnight into Friday, then patchy smoke

Friday: Hi 92 🥵 Lo 71 🌧️40% – Areas of smoke; shower/storm chance returns after 2am

Saturday: Hi 87 🌧️80% Lo 70 🌧️80% – Showers and storms likely, will monitor for severe potential

Sunday: Hi 87 🌧️30% Lo 65 🌧️30% – Partly sunny with a shower/storm chance

Monday: Hi 87 Lo 69 🌧️20% – Mostly sunny, slight overnight shower chance

Tuesday: Hi 90 🌧️40% Lo 68 🌧️40% – Showers and storms possible day and night

Wednesday: Hi 86 🌧️20% Lo 63 – Slight chance of showers

https://www.tolministries.org

Facebook: facebook.com/loudounweather Twitter: twitter.com/loudounwx Instagram: instagram.com/loudounweather Web: loudounweather.com TikTok: tiktok.com/@loudounweather

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Loudoun Weather

Loudoun County Weather Outlook for Wednesday, July 15, 2026

⚠️🔥 Heat Advisory in Effect

🥵 Scorching Hot Today and Tomorrow
Highs near 99 today and 98 tomorrow with a drier heat, keeping heat index values manageable. Feels better once the sun sets. Another heat advisory wouldn't surprise.

🌫️ Smoke in the Sky
Canadian wildfire smoke brings haze today and tomorrow, possibly easing the heat slightly.

🌦️ Relief Arrives Friday
Humidity rises and highs ease to the low 90s Friday, with a shower or storm possible late day or overnight. Showers and storms look likely Saturday as a northwest flow sets up.

☀️ Near Normal Into Next Week
Sunday's mostly dry, then Monday looks sunny before better storm chances return Monday night into Tuesday. We're near the peak of summer heat, so upper 80s is actually normal, a nice break. Long range, temps trend normal or even below normal, with above normal rain chances, good news for the drought.

Stay cool!

The forecast:

Wednesday: Hi 99 🌡️☀️ Lo 75 ☁️ – Scorching hot and sunny, heat index up to 102. Partly cloudy overnight with a light west wind.

Thursday: Hi 98 🌡️☀️ Lo 72 ☁️ – Mostly sunny and dangerously hot, heat index up to 103. Partly cloudy overnight.

Friday: Hi 92 🥵🌦️ 20% Lo 71 🌧️ 50% – Mostly sunny with a slight chance of afternoon and evening showers and thunderstorms overnight.

Saturday: Hi 87 🌧️ 80% Lo 70 🌧️ 80% – Showers and possible thunderstorms likely through the day and into the overnight hours.

Sunday: Hi 88 🌦️ 30% Lo 67 🌧️ 30% – Mostly sunny with a chance of afternoon showers and thunderstorms, lingering storm chance in the evening.

Monday: Hi 88 ☀️ Lo 70 🌧️ 30% – Mostly sunny with a chance of overnight showers and thunderstorms.

Tuesday: Hi 89 ⛅ 50% Lo 68 – Partly sunny with a chance of showers and thunderstorms.

Please support Tree of Life Ministries, an important organization to me!
https://www.tolministries.org

Facebook: https://facebook.com/loudounwx
Twitter: https://twitter.com/loudounwx
Instagram: https://www.instagram.com/loudounweather/
On the Web @ https://loudounweather.com
TikTok: https://www.tiktok.com/@loudounweather
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