Outdoor conditions in

Lerna

Illinois
Now
  1. 74°Showers And Thunderstorms Likely58% rain87% humidityGusts 15 mph
  2. 75°Showers And Thunderstorms Likely71% rain82% humidityGusts 14 mph
  3. 77°Showers And Thunderstorms Likely65% rain79% humidityGusts 15 mph
  4. 78°Showers And Thunderstorms Likely73% rain76% humidityGusts 17 mph
  5. 78°Showers And Thunderstorms Likely72% rain76% humidityGusts 18 mph
  6. 78°Showers And Thunderstorms Likely71% rain76% humidityGusts 20 mph
  7. 76°Showers And Thunderstorms Likely64% rain85% humidityGusts 21 mph
  8. 72°Showers And Thunderstorms Likely56% rain97% humidityGusts 22 mph
  9. 70°Showers And Thunderstorms Likely63% rain100% humidityGusts 22 mph
  10. 69°Showers And Thunderstorms Likely70% rain100% humidityGusts 22 mph
  11. 68°Rain Showers Likely65% rain100% humidityGusts 21 mph
  12. 67°Rain Showers Likely60% rain100% humidityGusts 22 mph
  13. 65°Chance Rain Showers49% rain100% humidityGusts 24 mph
  14. 62°Chance Rain Showers28% rain100% humidityGusts 24 mph
  15. 58°Chance Rain Showers35% rain100% humidityGusts 24 mph
  16. 56°Chance Rain Showers42% rain96% humidityGusts 26 mph
  17. 53°Chance Rain Showers31% rain96% humidityGusts 28 mph
  18. 52°Slight Chance Rain Showers20% rain93% humidityGusts 28 mph
  19. 51°Mostly Cloudy13% rain89% humidityGusts 29 mph
  20. 49°Cloudy7% rain93% humidityGusts 29 mph
  21. 49°Mostly Cloudy3% rain93% humidityGusts 29 mph
  22. 51°Partly Sunny0% rain86% humidityGusts 29 mph
  23. 53°Partly Sunny0% rain74% humidityGusts 29 mph
  24. 54°Partly Sunny0% rain66% humidityGusts 29 mph
Extra care for

A little farther out

The next five days

Today

Today carries a thunderstorm chance.

Rain
73%
Humidity
76–100%
Wind
22 mph
Fri

Friday has a real shower chance.

Rain
49%
Humidity
57–100%
Wind
31 mph
Sat

Saturday looks fairly quiet.

Rain
5%
Humidity
36–89%
Wind
22 mph
Sun

Sunday looks fairly quiet.

Rain
1%
Humidity
28–89%
Wind
12 mph
Mon

Monday looks fairly quiet.

Rain
1%
Humidity
31–89%
Wind
8 mph
  1. 78° / 64°Today carries a thunderstorm chance.73% rain · Humidity 76–100% · Wind 22 mph
  2. 65° / 45°Friday has a real shower chance.49% rain · Humidity 57–100% · Wind 31 mph
  3. 59° / 38°Saturday looks fairly quiet.5% rain · Humidity 36–89% · Wind 22 mph
  4. 66° / 34°Sunday looks fairly quiet.1% rain · Humidity 28–89% · Wind 12 mph
  5. 71° / 39°Monday looks fairly quiet.1% rain · Humidity 31–89% · Wind 8 mph

Environmental watch

Air quality + smoke

Air quality

Decatur area · Updated Thu 11:26 AM
47GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground47 · Good US AQI

Rain, in motion · Past four hours

Lerna radar

Ready when you areSee what is moving toward Lerna.

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 8 mph. Thunder is possible.

Humidity
87%
Wind
8 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 47 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 Lerna, 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.