Current Weather Forecast for Smithboro

IL 62284  |   3:47am

Weather Conditions

76°

Feels Like 76°

Clear

75° 93° HEAT ADVISORY

HEAT ADVISORY

0

UV Index

Moderate

Air Quality

ENE 2 mph

Wind

0 in

rain

Today

Mon 6/29

93°

Highest Temperature

3%

Partly cloudy. Hot and humid. High 93F. Winds S at 10 to 15 mph.

Tonight

Mon 6/29

74°

Lowest Temperature

8%

Partly cloudy. Low 74F. Winds SSW at 10 to 15 mph.

Tomorrow

Tue 6/30

96°

Highest Temperature

7%

Mostly sunny skies. Hot and humid. High 96F. Winds SSW at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Smithboro

Hourly Weather Forecast & Temperature

4AM

3%

76°

Feels Like 76°

HEAT ADVISORY

Mostly Clear

S 2 mph

Wind

1013 mb

Pressure

94%

Humidity

0

UV Index

8mi

Visibility

20%

Cloud Cover

5AM

3%

76°

Feels Like 76°

HEAT ADVISORY

Partly Cloudy

S 2 mph

Wind

1014 mb

Pressure

96%

Humidity

0

UV Index

8mi

Visibility

30%

Cloud Cover

6AM

3%

76°

Feels Like 76°

HEAT ADVISORY

Partly Cloudy

S 3 mph

Wind

1014 mb

Pressure

96%

Humidity

0

UV Index

8mi

Visibility

40%

Cloud Cover

7AM

3%

77°

Feels Like 77°

HEAT ADVISORY

Partly Cloudy

S 4 mph

Wind

1015 mb

Pressure

94%

Humidity

0

UV Index

9mi

Visibility

55%

Cloud Cover

8AM

2%

80°

Feels Like 87°

HEAT ADVISORY

Partly Cloudy

S 6 mph

Wind

1015 mb

Pressure

89%

Humidity

1

UV Index

10mi

Visibility

59%

Cloud Cover

9AM

2%

83°

Feels Like 91°

HEAT ADVISORY

Partly Cloudy

S 7 mph

Wind

1015 mb

Pressure

81%

Humidity

3

UV Index

10mi

Visibility

41%

Cloud Cover

10AM

2%

85°

Feels Like 96°

HEAT ADVISORY

Partly Cloudy

S 8 mph

Wind

1015 mb

Pressure

75%

Humidity

5

UV Index

10mi

Visibility

47%

Cloud Cover

11AM

3%

87°

Feels Like 98°

HEAT ADVISORY

Partly Cloudy

S 9 mph

Wind

1015 mb

Pressure

70%

Humidity

6

UV Index

10mi

Visibility

59%

Cloud Cover

12PM

1%

89°

Feels Like 101°

HEAT ADVISORY

Mostly Cloudy

S 9 mph

Wind

1015 mb

Pressure

66%

Humidity

6

UV Index

10mi

Visibility

75%

Cloud Cover

1PM

1%

90°

Feels Like 102°

HEAT ADVISORY

Partly Cloudy

S 10 mph

Wind

1014 mb

Pressure

63%

Humidity

9

UV Index

10mi

Visibility

54%

Cloud Cover

2PM

91°

Feels Like 103°

HEAT ADVISORY

Partly Cloudy

S 11 mph

Wind

1014 mb

Pressure

60%

Humidity

9

UV Index

10mi

Visibility

44%

Cloud Cover

3PM

92°

Feels Like 104°

HEAT ADVISORY

Partly Cloudy

S 12 mph

Wind

1013 mb

Pressure

59%

Humidity

7

UV Index

10mi

Visibility

49%

Cloud Cover

Mon 6/29

Mon

3%

75°

93°

HEAT ADVISORY

Mix of sun and clouds. Highs in the low 90s and lows in the mid 70s.

104°

Feels Like

S 13 mph

Wind

76%

Humidity

9

UV Index

5:34 AM

Sunrise

8:27 PM

Sunset

Tue 6/30

Tue

7%

74°

96°

HEAT ADVISORY

Plenty of sun. Highs in the mid 90s and lows in the mid 70s.

104°

Feels Like

SSW 9 mph

Wind

63%

Humidity

9

UV Index

5:35 AM

Sunrise

8:27 PM

Sunset

Wed 7/1

Wed

5%

74°

95°

HEAT ADVISORY

Abundant sunshine. Highs in the mid 90s and lows in the upper 70s.

104°

Feels Like

SSW 8 mph

Wind

62%

Humidity

10

UV Index

5:35 AM

Sunrise

8:26 PM

Sunset

Thu 7/2

Thu

24%

77°

95°

HEAT ADVISORY

More sun than clouds. Highs in the mid 90s and lows in the mid 70s.

106°

Feels Like

SSW 7 mph

Wind

65%

Humidity

10

UV Index

5:36 AM

Sunrise

8:26 PM

Sunset

Fri 7/3

Fri

24%

76°

94°

HEAT ADVISORY

A few clouds. Highs in the mid 90s and lows in the mid 70s.

105°

Feels Like

SSW 6 mph

Wind

66%

Humidity

9

UV Index

5:36 AM

Sunrise

8:26 PM

Sunset

Sat 7/4

Sat

31%

75°

91°

Partly cloudy, chance of a thunderstorm. Highs in the low 90s and lows in the mid 70s.

100°

Feels Like

SSW 4 mph

Wind

69%

Humidity

10

UV Index

5:37 AM

Sunrise

8:26 PM

Sunset

Sun 7/5

Sun

46%

73°

88°

Scattered thunderstorms possible. Highs in the upper 80s and lows in the low 70s.

96°

Feels Like

WSW 5 mph

Wind

73%

Humidity

9

UV Index

5:37 AM

Sunrise

8:26 PM

Sunset

Mon 7/6

Mon

24%

71°

87°

Partly cloudy. Highs in the upper 80s and lows in the low 70s.

92°

Feels Like

NNW 6 mph

Wind

68%

Humidity

10

UV Index

5:38 AM

Sunrise

8:25 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from Illinois

Extreme heat dome building with over 230 million to swelter in days leading up to America's 250th birthday

Millions of Americans hoping for a warm holiday weekend will get their wish, as temperatures are expected to soar above average across the country.

4 dead as flash flooding slams Kentucky, triggering emergencies and evacuations

Thunderstorms and flash flooding are threatening the first half of the weekend for millions across parts of the Ohio Valley and East Coast. Those with outdoor plans could be dodging showers on both Saturday and Sunday ahead of a return to 90-degree weather by the middle of next week.

Illinois leads the country for most tornado reports so far in 2026 and it's only June

We're nearly halfway through the year, and it's been an active year for severe weather thus far, with more than 800 reported tornadoes across the U.S.

Deadly tornado outbreak slams Illinois, leaving a path of destruction amid ongoing severe weather threat

A violent tornado outbreak struck the Plains on Sunday, bringing a destructive mix of hail, fierce winds, and damaging tornadoes. The severe weather triggered widespread destruction across the region, completely leveling multiple homes and causing fatalities.

Load More Stories