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Flood Watch: Hillsboro Area
June 21, 2026
weather, forecast
Hillsboro, Missouri — Thunderstorm expected today with a high of 84°F and a low of 68°F.
⚠️ Active Weather Alerts
- 🟠 Flood Watch: Flood Watch issued June 21 at 3:09AM CDT until June 22 at 7:00AM CDT by NWS St Louis MO
- You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Today's Forecast — Sunday, June 21
- Conditions: Thunderstorm
- High / Low: 84°F / 68°F
- Wind: S 18 mph, gusts to 37 mph
- Precipitation: 48% chance, 0.50 inches expected over 6 hours
- UV Index: 3.6 — Moderate
- Sunrise / Sunset: 05:39 / 20:28
- Daylight: 14.8 hours (2.3 hours of sunshine expected)
What Matters Most Today
- Expected rainfall: about 0.50 inches.
- Wind impact: gusts up to 37 mph.
- Best outdoor window: Morning (lowest average rain risk).
Comfort & Conditions
- Humidity: 73%
- Dew Point: Up to 72°F — muggy conditions
- Visibility: As low as 0.8 miles
Hour-by-Hour Breakdown
- Morning (6AM–Noon): Overcast, 76°F, 18% chance of precipitation, 70% humidity
- Afternoon (Noon–6PM): Overcast, 79°F, 48% chance of precipitation, winds 12 mph, 72% humidity
- Evening (6PM–Midnight): Overcast, 75°F, 48% chance of precipitation, winds 10 mph, 86% humidity
Air Quality & Allergens
- Air Quality Index: 38 (peak 65) — Moderate
- Acceptable air quality; some pollutants may be a concern for sensitive individuals.
- PM2.5: 7.6 µg/m³
Tomorrow's Outlook
Light drizzle with a high of 74°F and a low of 63°F. 17% chance of precipitation.
Forecast data provided by Open-Meteo. Air quality data from Open-Meteo Air Quality API. For severe weather alerts, visit your local National Weather Service office.
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