Today | Weather | Sunday, January 11, 2026

Active Weather Warnings

Hydrologic Outlook

Weather in Bellevue, Washington

08:59 AM

Now

46° F

Feels Like 43°

Precipitation 58 %

Wind 6 mph

UV Index (0 - 11+) 0

Humidity 88 %

Today

Day 52°

Night 48°

Precipitation 95 %

Wind 6 mph

UV Index (0 - 11+) 0

Bellevue Weather Forecast Updated

Last updated on January 11, 2026 at 7:46 AM

Weather Forecast History

Last Year's Weather on This Day (January 11, 2025)

Day

48°

Night

41°

Wind

4 mph

UV Index

Precipitation

40 %

Air Quality in Bellevue

NOW

39 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.81 µg/m³

PM₁₀ 3.39 µg/m³

O₃ 0.042 ppm

NO₂ 2.8 ppb

SO₂ 0.4 ppb

CO 0.16 ppm

NH₃ 0.27 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 2.81 µg/m³

PM₁₀ – 3.39 µg/m³

O₃ – 82.07 µg/m³

NO₂ – 5.27 µg/m³

SO₂ – 1.02 µg/m³

CO – 188.08 µg/m³

NH₃ – 0.27 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Bellevue

Unknown Future Possible

Hydrologic Outlook

Hydrologic Outlook issued January 11 at 3:40AM PST by NWS Seattle WA

Jan 11, 3:40 AM → Jan 11, 5:00 PM

ESFSEW

Moderate to heavy precipitation is expected over the Olympics and
northern and central Washington Cascades through early Tuesday
morning. Precipitation amounts of 2 to as much as 5 inches is
forecast for this time frame. Snow levels rising to 7000 to 7500
feet by Monday morning.

Rivers in the outlook area will begin rising today and will crest
later Monday into Tuesday. Current forecasts have numerous rivers
cresting in action stage. A small increase in the forecast
precipitation amounts could push some river forecasts above flood
stage.

Please monitor the latest river forecasts from the National weather
Service for additional information.

Updated: Jan 11, 7:46 AM Source: NWS Alert