Today | Weather | Monday, June 29, 2026
Active Weather Warnings

Weather in Springfield, Illinois

07:46 PM
Now
Sunny Weather
88° F
Feels Like 93°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 0
Humidity 69 %
Today
Cloudy Night
Day 90°
Night 75°
Precipitation 1 %
Wind 8 mph

Springfield Weather Forecast Updated

32 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 29, 2025)
Sunny with a Chance of Thunderstorms

Day

84°

Night

70°

Wind

7 mph

UV Index

6

Precipitation

41 %

Air Quality in Springfield

NOW
24 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.05 µg/m³
PM10 6 µg/m³
O3 0.026 ppm
NO2 1.8 ppb
SO2 0.9 ppb
CO 0.11 ppm
NH3 0.77 µg/m³
NO 0.15 µg/m³
PM2.5 – 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)
PM2.54.05 µg/m³
PM106 µg/m³
O351.26 µg/m³
NO23.31 µg/m³
SO22.48 µg/m³
CO121.28 µg/m³
NH30.77 µg/m³
NO0.15 µg/m³

Weather Alerts and Warnings for Springfield

Moderate Expected Likely

Heat Advisory

Heat Advisory issued June 29 at 1:45PM CDT until July 3 at 12:00AM CDT by NWS Lincoln IL
Jun 29, 1:45 PM Jul 3, 12:00 AM
WHAT: Heat index values 105 to 110 expected.

WHERE: All of central and southeast Illinois.

WHEN: Until midnight CDT Thursday Night.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

ADDITIONAL DETAILS: The cumulative effects of this prolonged heat
will pose a serious public health risk, especially for individuals
outdoors or without adequate air conditioning.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Updated: Jun 29, 7:13 PM Source: NWS Alert