Outdoor conditions in

Niantic

Illinois
Air qualityAir quality is moderate at the official reporting area.Air near ground level
Now
  1. 73°Showers And Thunderstorms79% rain93% humidityGusts 15 mph
  2. 74°Showers And Thunderstorms Likely74% rain93% humidityGusts 17 mph
  3. 75°Showers And Thunderstorms80% rain90% humidityGusts 18 mph
  4. 76°Showers And Thunderstorms Likely74% rain90% humidityGusts 20 mph
  5. 76°Showers And Thunderstorms Likely69% rain87% humidityGusts 21 mph
  6. 75°Showers And Thunderstorms Likely63% rain90% humidityGusts 21 mph
  7. 71°Showers And Thunderstorms Likely56% rain100% humidityGusts 20 mph
  8. 68°Showers And Thunderstorms Likely59% rain100% humidityGusts 21 mph
  9. 67°Showers And Thunderstorms Likely61% rain100% humidityGusts 22 mph
  10. 65°Chance Rain Showers52% rain100% humidityGusts 22 mph
  11. 62°Chance Rain Showers42% rain100% humidityGusts 26 mph
  12. 60°Chance Rain Showers31% rain100% humidityGusts 26 mph
  13. 57°Cloudy13% rain100% humidityGusts 25 mph
  14. 54°Cloudy9% rain100% humidityGusts 28 mph
  15. 52°Mostly Cloudy5% rain100% humidityGusts 28 mph
  16. 51°Mostly Cloudy3% rain96% humidityGusts 28 mph
  17. 50°Mostly Cloudy1% rain93% humidityGusts 29 mph
  18. 48°Mostly Cloudy1% rain93% humidityGusts 29 mph
  19. 47°Partly Sunny0% rain89% humidityGusts 30 mph
  20. 46°Partly Sunny0% rain93% humidityGusts 31 mph
  21. 50°Partly Sunny0% rain86% humidityGusts 31 mph
  22. 51°Partly Sunny0% rain83% humidityGusts 32 mph
  23. 53°Partly Sunny0% rain80% humidityGusts 32 mph
  24. 53°Partly Sunny6% rain77% humidityGusts 32 mph
Extra care for

A little farther out

The next five days

Today

Today carries a thunderstorm chance.

Rain
87%
Humidity
84–100%
Wind
26 mph
Fri

Friday looks breezy.

Rain
37%
Humidity
72–100%
Wind
32 mph
Sat

Saturday looks fairly quiet.

Rain
3%
Humidity
42–96%
Wind
20 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
31–92%
Wind
14 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
34–96%
Wind
7 mph
  1. 76° / 62°Today carries a thunderstorm chance.87% rain · Humidity 84–100% · Wind 26 mph
  2. 60° / 45°Friday looks breezy.37% rain · Humidity 72–100% · Wind 32 mph
  3. 58° / 36°Saturday looks fairly quiet.3% rain · Humidity 42–96% · Wind 20 mph
  4. 68° / 34°Sunday looks fairly quiet.0% rain · Humidity 31–92% · Wind 14 mph
  5. 73° / 38°Monday looks fairly quiet.0% rain · Humidity 34–96% · Wind 7 mph

Environmental watch

Air quality + smoke

Air quality

Decatur area · Updated Thu 1:25 PM
55ModerateUS AQI

No fresh outlook yet.

55 is in the Moderate range (51–100). Most people can be active outside; if you’re unusually sensitive to fine particles, consider a shorter or easier outing.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground55 · Moderate US AQI

Rain, in motion · Past four hours

Niantic radar

Ready when you areSee what is moving toward Niantic.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Use extra caution.

There is no lower-concern three-hour stretch in the next 12 hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Sustained wind is 10 mph. Thunder is possible.

Humidity
93%
Wind
10 mph
Gusts
15 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Decatur area, about 11 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Niantic, IL, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.