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Severe weather outbreak to peak Friday with tornadoes. Click for the forecast. Chevron right

Big Rock, IL

62°F
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Big Rock

Illinois

62°
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Big Rock, IL Weather
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Chevron right

12 AM

58°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 74%
Chevron down
Thunderstorms
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindSW 18 mph

Air QualityFair

Wind Gusts29 mph

Humidity100%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility2 mi

Cloud Ceiling3800 ft

1 AM

55°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 74%
Chevron down
Thunderstorms
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindW 16 mph

Air QualityFair

Wind Gusts18 mph

Humidity100%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility10 mi

Cloud Ceiling1500 ft

2 AM

53°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 25%
Chevron down
Cloudy
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindW 16 mph

Air QualityFair

Wind Gusts18 mph

Humidity100%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling1500 ft

3 AM

51°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindWNW 17 mph

Air QualityFair

Wind Gusts18 mph

Humidity100%

Indoor Humidity53% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling1500 ft

4 AM

49°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindWNW 17 mph

Air QualityFair

Wind Gusts23 mph

Humidity92%

Indoor Humidity46% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1500 ft

5 AM

47°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindWNW 16 mph

Air QualityFair

Wind Gusts22 mph

Humidity85%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2200 ft

6 AM

45°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindWNW 16 mph

Air QualityFair

Wind Gusts21 mph

Humidity79%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2900 ft

7 AM

44°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™33°

WindWNW 16 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts21 mph

Humidity75%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3700 ft

8 AM

44°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Mostly cloudy

RealFeel Shade™34°

WindWNW 18 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts25 mph

Humidity67%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling12400 ft

9 AM

45°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ showers

RealFeel Shade™32°

WindWNW 18 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts28 mph

Humidity60%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover47%

Rain0.02 in

Visibility6 mi

Cloud Ceiling30000 ft

10 AM

46°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Mostly sunny

RealFeel Shade™35°

WindWNW 20 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts29 mph

Humidity54%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

47°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 19%
Chevron down
Mostly sunny

RealFeel Shade™36°

WindWNW 20 mph

Air QualityFair

Max UV Index5.0 (Moderate)

Wind Gusts30 mph

Humidity50%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

48°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 19%
Chevron down
Mostly sunny

RealFeel Shade™36°

WindWNW 20 mph

Air QualityFair

Max UV Index6.7 (High)

Wind Gusts32 mph

Humidity48%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

49°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 19%
Chevron down
Mostly sunny

RealFeel Shade™38°

WindWNW 21 mph

Air QualityFair

Max UV Index7.3 (High)

Wind Gusts35 mph

Humidity46%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

50°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™39°

WindWNW 20 mph

Air QualityFair

Max UV Index6.7 (High)

Wind Gusts36 mph

Humidity43%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

51°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™41°

WindWNW 21 mph

Air QualityFair

Max UV Index5.0 (Moderate)

Wind Gusts37 mph

Humidity41%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

52°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™42°

WindWNW 21 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts39 mph

Humidity40%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

50°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™40°

WindWNW 21 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts38 mph

Humidity42%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

49°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™38°

WindWNW 20 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts36 mph

Humidity42%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

47°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 14%
Chevron down
Mostly sunny

RealFeel Shade™37°

WindWNW 17 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts33 mph

Humidity45%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

45°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear

WindWNW 14 mph

Air QualityFair

Wind Gusts28 mph

Humidity48%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

42°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Clear

WindWNW 10 mph

Air QualityFair

Wind Gusts20 mph

Humidity54%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

41°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Clear

WindWNW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity57%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

40°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear

WindW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity60%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Big Rock

AccuWeather's hourly forecast for Big Rock provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 58° with a RealFeel® of 47°, thunderstorms with a 74% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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