Outdoor conditions in

Janesville

Illinois

Outdoor planning

Now
  1. 75°Showers And Thunderstorms Likely58% rain84% humidityGusts 14 mph
  2. 76°Showers And Thunderstorms Likely68% rain82% humidityGusts 14 mph
  3. 78°Showers And Thunderstorms Likely65% rain79% humidityGusts 15 mph
  4. 79°Showers And Thunderstorms Likely72% rain77% humidityGusts 17 mph
  5. 78°Showers And Thunderstorms Likely71% rain79% humidityGusts 17 mph
  6. 78°Showers And Thunderstorms Likely70% rain79% humidityGusts 20 mph
  7. 77°Showers And Thunderstorms Likely63% rain82% humidityGusts 21 mph
  8. 73°Showers And Thunderstorms Likely56% rain93% humidityGusts 21 mph
  9. 71°Showers And Thunderstorms Likely63% rain97% humidityGusts 22 mph
  10. 70°Showers And Thunderstorms Likely69% rain97% humidityGusts 22 mph
  11. 69°Rain Showers Likely64% rain97% humidityGusts 21 mph
  12. 67°Rain Showers Likely59% rain97% humidityGusts 22 mph
  13. 66°Chance Rain Showers49% rain97% humidityGusts 23 mph
  14. 63°Chance Rain Showers29% rain100% humidityGusts 24 mph
  15. 60°Chance Rain Showers36% rain96% humidityGusts 24 mph
  16. 57°Chance Rain Showers44% rain96% humidityGusts 26 mph
  17. 55°Chance Rain Showers33% rain90% humidityGusts 28 mph
  18. 53°Slight Chance Rain Showers22% rain89% humidityGusts 28 mph
  19. 52°Mostly Cloudy14% rain86% humidityGusts 28 mph
  20. 51°Mostly Cloudy7% rain86% humidityGusts 29 mph
  21. 50°Mostly Cloudy3% rain89% humidityGusts 29 mph
  22. 52°Partly Sunny0% rain83% humidityGusts 29 mph
  23. 53°Partly Sunny0% rain74% humidityGusts 29 mph
  24. 54°Partly Sunny0% rain69% humidityGusts 29 mph
Extra care for

A little farther out

The next five days

Today

Today carries a thunderstorm chance.

Rain
72%
Humidity
77–100%
Wind
22 mph
Fri

Friday has a real shower chance.

Rain
49%
Humidity
59–100%
Wind
31 mph
Sat

Saturday looks fairly quiet.

Rain
5%
Humidity
36–86%
Wind
23 mph
Sun

Sunday looks fairly quiet.

Rain
1%
Humidity
29–89%
Wind
12 mph
Mon

Monday looks fairly quiet.

Rain
1%
Humidity
31–89%
Wind
8 mph
  1. 79° / 64°Today carries a thunderstorm chance.72% rain · Humidity 77–100% · Wind 22 mph
  2. 66° / 46°Friday has a real shower chance.49% rain · Humidity 59–100% · Wind 31 mph
  3. 59° / 39°Saturday looks fairly quiet.5% rain · Humidity 36–86% · Wind 23 mph
  4. 66° / 34°Sunday looks fairly quiet.1% rain · Humidity 29–89% · 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

Terre Haute 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

Janesville radar

Radar animation for Janesville, covering the past four hours. A marked spot changes the map view, not the forecast on this page.

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
84%
Wind
8 mph
Gusts
14 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 Terre Haute area, about 46 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 Janesville, 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.