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Current weather in Forreston is overcast clouds.

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Weather data for Forreston is updated regularly with the latest available observations and forecasts.

Now · 12:51 AM

Forreston Weather & Hourly Forecast

United States · Illinois · 61030

53°F

Overcast night

Feels like: 48°F

💧 Humidity 79% 🌡 Pressure 30.33 inHg 💨 Wind 8 mph 👁 Visibility 20.6 mi ☁ Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:45 AM 🌇 Sunset 6:55 PM

Hourly Forecast for Forreston

Today

1:00 AM

Overcast night

53° 💧 None 💨 8 mph H 79%30.33 inHg

4:00 AM

Overcast night

55° 💧 0.001 in 💨 8 mph H 82%30.33 inHg

7:00 AM

Overcast

56° 💧 0.002 in 💨 8 mph H 86%30.36 inHg

10:00 AM

Mostly cloudy

60° 💧 0.001 in 💨 12 mph H 77%30.39 inHg

1:00 PM

Overcast

64° 💧 0.002 in 💨 12 mph H 72%30.36 inHg

4:00 PM

Overcast

64° 💧 0.001 in 💨 12 mph H 67%30.33 inHg

7:00 PM

Overcast night

62° 💧 None 💨 9 mph H 73%30.33 inHg

10:00 PM

Overcast night

58° 💧 None 💨 7 mph H 85%30.36 inHg

Tomorrow

1:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 87%30.36 inHg

4:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 91%30.33 inHg

7:00 AM

Mostly cloudy

51° 💧 None 💨 5 mph H 91%30.36 inHg

10:00 AM

Partly cloudy

61° 💧 None 💨 6 mph H 74%30.36 inHg

1:00 PM

Overcast

68° 💧 None 💨 7 mph H 62%30.33 inHg

4:00 PM

Overcast

68° 💧 None 💨 6 mph H 66%30.27 inHg

7:00 PM

Overcast night

63° 💧 None 💨 8 mph H 75%30.27 inHg

10:00 PM

Overcast night

59° 💧 None 💨 7 mph H 83%30.30 inHg

Today

1:00 AM

Overcast night

53° 💧 None 💨 8 mph H 79%30.33 inHg

2:00 AM

Mostly cloudy night

54° 💧 None 💨 7 mph H 79%30.33 inHg

3:00 AM

Mostly cloudy night

55° 💧 None 💨 7 mph H 80%30.33 inHg

4:00 AM

Overcast night

55° 💧 None 💨 8 mph H 82%30.33 inHg

5:00 AM

Overcast night

55° 💧 None 💨 9 mph H 83%30.33 inHg

6:00 AM

Overcast night

56° 💧 0.001 in 💨 9 mph H 85%30.36 inHg

7:00 AM

Overcast

56° 💧 0.001 in 💨 8 mph H 86%30.36 inHg

8:00 AM

Mostly cloudy

56° 💧 0.001 in 💨 9 mph H 85%30.39 inHg

9:00 AM

Mostly cloudy

58° 💧 None 💨 10 mph H 83%30.39 inHg

10:00 AM

Mostly cloudy

60° 💧 0.001 in 💨 12 mph H 77%30.39 inHg

11:00 AM

Overcast

62° 💧 None 💨 12 mph H 75%30.39 inHg

12:00 PM

Overcast

63° 💧 None 💨 11 mph H 74%30.39 inHg

1:00 PM

Overcast

64° 💧 0.001 in 💨 12 mph H 72%30.36 inHg

2:00 PM

Overcast

64° 💧 None 💨 12 mph H 71%30.36 inHg

3:00 PM

Overcast

65° 💧 0.001 in 💨 12 mph H 68%30.33 inHg

4:00 PM

Overcast

64° 💧 0.001 in 💨 12 mph H 67%30.33 inHg

5:00 PM

Overcast

64° 💧 0.001 in 💨 11 mph H 68%30.33 inHg

6:00 PM

Overcast

63° 💧 None 💨 9 mph H 72%30.33 inHg

7:00 PM

Overcast night

62° 💧 None 💨 9 mph H 73%30.33 inHg

8:00 PM

Clear night

60° 💧 None 💨 9 mph H 77%30.36 inHg

9:00 PM

Partly cloudy night

57° 💧 None 💨 7 mph H 85%30.36 inHg

10:00 PM

Overcast night

58° 💧 None 💨 7 mph H 85%30.36 inHg

11:00 PM

Overcast night

58° 💧 None 💨 7 mph H 84%30.36 inHg

Tomorrow

12:00 AM

Overcast night

58° 💧 None 💨 6 mph H 85%30.36 inHg

1:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 87%30.36 inHg

2:00 AM

Clear night

56° 💧 None 💨 8 mph H 89%30.33 inHg

3:00 AM

Mostly clear night

54° 💧 None 💨 7 mph H 91%30.33 inHg

4:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 91%30.33 inHg

5:00 AM

Partly cloudy night

52° 💧 None 💨 4 mph H 91%30.33 inHg

6:00 AM

Partly cloudy night

52° 💧 None 💨 6 mph H 91%30.33 inHg

7:00 AM

Mostly cloudy

51° 💧 None 💨 5 mph H 91%30.36 inHg

8:00 AM

Partly cloudy

54° 💧 None 💨 6 mph H 87%30.36 inHg

9:00 AM

Mostly sunny

57° 💧 None 💨 6 mph H 80%30.36 inHg

10:00 AM

Partly cloudy

61° 💧 None 💨 6 mph H 74%30.36 inHg

11:00 AM

Mostly cloudy

63° 💧 None 💨 7 mph H 69%30.36 inHg

12:00 PM

Overcast

65° 💧 None 💨 7 mph H 67%30.33 inHg

1:00 PM

Overcast

68° 💧 None 💨 7 mph H 62%30.33 inHg

2:00 PM

Overcast

69° 💧 None 💨 6 mph H 64%30.30 inHg

3:00 PM

Overcast

68° 💧 None 💨 6 mph H 65%30.27 inHg

4:00 PM

Overcast

68° 💧 None 💨 6 mph H 66%30.27 inHg

5:00 PM

Overcast

67° 💧 None 💨 6 mph H 71%30.27 inHg

6:00 PM

Overcast

66° 💧 None 💨 8 mph H 72%30.27 inHg

7:00 PM

Overcast night

63° 💧 None 💨 8 mph H 75%30.27 inHg

8:00 PM

Overcast night

62° 💧 None 💨 8 mph H 77%30.27 inHg

9:00 PM

Overcast night

61° 💧 None 💨 8 mph H 79%30.30 inHg

10:00 PM

Overcast night

59° 💧 None 💨 7 mph H 83%30.30 inHg

11:00 PM

Overcast night

59° 💧 None 💨 6 mph H 85%30.30 inHg

Friday

12:00 AM

Overcast night

59° 💧 None 💨 6 mph H 87%30.27 inHg

1:00 AM

Overcast night

58° 💧 None 💨 5 mph H 88%30.27 inHg

2:00 AM

Light rain

58° 💧 0.011 in 💨 4 mph H 90%30.27 inHg

3:00 AM

Overcast night

58° 💧 0.002 in 💨 3 mph H 91%30.27 inHg

4:00 AM

Overcast night

58° 💧 0.001 in 💨 4 mph H 92%30.27 inHg

5:00 AM

Overcast night

58° 💧 0.001 in 💨 4 mph H 92%30.27 inHg

6:00 AM

Mostly cloudy night

58° 💧 None 💨 5 mph H 91%30.30 inHg

7:00 AM

Mostly cloudy

57° 💧 None 💨 4 mph H 92%30.30 inHg

4:00 PM

Overcast

68° 💧 None 💨 6 mph H 60%30.24 inHg

7:00 PM

Overcast night

62° 💧 None 💨 6 mph H 75%30.24 inHg

10:00 PM

Overcast night

56° 💧 None 💨 8 mph H 79%30.24 inHg

Saturday

1:00 AM

Overcast night

54° 💧 None 💨 6 mph H 87%30.24 inHg

4:00 AM

Overcast night

54° 💧 None 💨 6 mph H 93%30.18 inHg

7:00 AM

Overcast

55° 💧 None 💨 7 mph H 91%30.21 inHg

10:00 AM

Overcast

60° 💧 None 💨 8 mph H 81%30.21 inHg

1:00 PM

Overcast

64° 💧 None 💨 7 mph H 68%30.18 inHg

4:00 PM

Light rain

62° 💧 None 💨 7 mph H 76%30.12 inHg

7:00 PM

Overcast night

59° 💧 None 💨 5 mph H 91%30.09 inHg

10:00 PM

Overcast night

58° 💧 None 💨 5 mph H 89%30.09 inHg

Sunday

1:00 AM

Overcast night

57° 💧 None 💨 5 mph H 88%30.09 inHg

4:00 AM

Overcast night

58° 💧 None 💨 5 mph H 90%30.06 inHg

7:00 AM

Overcast

57° 💧 None 💨 5 mph H 90%30.06 inHg

10:00 AM

Overcast

61° 💧 None 💨 4 mph H 79%30.06 inHg

1:00 PM

Overcast

65° 💧 None 💨 5 mph H 66%30.03 inHg

4:00 PM

Mostly cloudy

68° 💧 None 💨 2 mph H 64%29.97 inHg

7:00 PM

Clear night

64° 💧 None 💨 1 mph H 79%29.94 inHg

10:00 PM

Mostly clear night

59° 💧 None 💨 2 mph H 88%29.97 inHg

Monday

1:00 AM

Mostly cloudy night

56° 💧 None 💨 2 mph H 94%29.94 inHg

4:00 AM

Overcast night

58° 💧 None 💨 2 mph H 91%29.94 inHg

7:00 AM

Overcast

59° 💧 None 💨 2 mph H 88%29.94 inHg

10:00 AM

Partly cloudy

67° 💧 None 💨 4 mph H 74%29.94 inHg

1:00 PM

Partly cloudy

73° 💧 None 💨 6 mph H 64%29.88 inHg

7:00 PM

Mostly clear night

72° 💧 None 💨 3 mph H 59%29.97 inHg

Tuesday

1:00 AM

Clear night

66° 💧 None 💨 4 mph H 82%29.88 inHg

7:00 AM

Mostly sunny

59° 💧 None 💨 5 mph H 91%29.91 inHg

1:00 PM

Sunny

58° 💧 None 💨 7 mph H 94%29.85 inHg

7:00 PM

Overcast night

75° 💧 None 💨 10 mph H 61%29.80 inHg

Wednesday

1:00 AM

Moderate rain

67° 💧 None 💨 6 mph H 87%29.74 inHg

7:00 AM

Light rain

63° 💧 None 💨 11 mph H 92%29.71 inHg

1:00 PM

Light rain

63° 💧 None 💨 8 mph H 94%29.68 inHg

7:00 PM

Light rain

68° 💧 None 💨 4 mph H 89%29.71 inHg

Thursday

1:00 AM

Overcast night

65° 💧 None 💨 7 mph H 97%29.74 inHg

7:00 AM

Overcast

61° 💧 None 💨 8 mph H 96%29.77 inHg

1:00 PM

Light rain

62° 💧 None 💨 10 mph H 95%29.77 inHg

7:00 PM

Light rain

68° 💧 None 💨 9 mph H 94%29.71 inHg

Friday

1:00 AM

Moderate rain

67° 💧 None 💨 5 mph H 97%29.68 inHg

7:00 AM

Overcast

65° 💧 None 💨 9 mph H 99%29.68 inHg

1:00 PM

Sunny

62° 💧 None 💨 10 mph H 95%29.77 inHg

7:00 PM

Light rain

70° 💧 None 💨 16 mph H 72%29.77 inHg

Saturday

1:00 AM

Clear night

62° 💧 None 💨 7 mph H 68%29.77 inHg

7:00 AM

Sunny

56° 💧 None 💨 9 mph H 82%29.74 inHg

1:00 PM

Sunny

54° 💧 None 💨 10 mph H 77%29.68 inHg

7:00 PM

Overcast night

61° 💧 None 💨 13 mph H 63%29.65 inHg

Sunday

1:00 AM

Mostly cloudy night

56° 💧 None 💨 8 mph H 91%29.68 inHg

7:00 AM

Sunny

51° 💧 None 💨 9 mph H 93%29.71 inHg

1:00 PM

Partly cloudy

53° 💧 None 💨 11 mph H 87%29.80 inHg

7:00 PM

Overcast night

59° 💧 None 💨 12 mph H 66%29.88 inHg

Monday

1:00 AM

Overcast night

55° 💧 None 💨 8 mph H 71%29.91 inHg

7:00 AM

Sunny

51° 💧 None 💨 9 mph H 80%29.94 inHg

1:00 PM

Sunny

45° 💧 None 💨 8 mph H 93%30.00 inHg

7:00 PM

Overcast night

56° 💧 None 💨 10 mph H 60%30.00 inHg

Tuesday

1:00 AM

Overcast night

55° 💧 None 💨 4 mph H 69%30.00 inHg

7:00 AM

Mostly sunny

46° 💧 None 💨 2 mph H 88%30.06 inHg

1:00 PM

Overcast

43° 💧 None 💨 3 mph H 92%30.09 inHg

7:00 PM

Overcast night

58° 💧 None 💨 5 mph H 61%30.06 inHg

Wednesday

1:00 AM

Overcast night

55° 💧 None 💨 5 mph H 71%30.06 inHg

7:00 AM

Mostly cloudy night

50° 💧 None 💨 5 mph H 83%30.12 inHg

1:00 PM

Partly cloudy

47° 💧 None 💨 6 mph H 93%30.12 inHg

In Forreston and, more broadly, across the state of Illinois: This morning begins with mostly cloudy skies and mild temperatures ranging from 60 to 69 degrees Fahrenheit. Winds will be coming from the northeast at around 11 mph, with gusts reaching up to 21 mph. As the day progresses into the afternoon, the cloud cover is expected to persist, but no precipitation is anticipated. Temperatures are likely to remain steady within the mild range, providing comfortable conditions for outdoor activities. Winds will continue from the northeast, maintaining a moderate breeze throughout the day. Overall, it will be a relatively calm day with partly cloudy skies and no significant weather disruptions.

15-Day Weather Outlook for Forreston

TomorrowTomorrow

Overcast 69°/51° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Light rain 68°/56° 💧 0.006 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Light rain 64°/54° 💧 0.069 in 💨 8 mph

Sunday, Sep 27Sun Sep 27

Overcast 68°/57° 💧 0.001 in 💨 5 mph

Monday, Sep 28Mon Sep 28

Mostly cloudy 73°/56° 💧 None 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 75°/58° 💧 None 💨 10 mph

Wednesday, Sep 30Wed Sep 30

Moderate rain 68°/63° 💧 0.904 in 💨 11 mph

Thursday, Oct 1Thu Oct 1

Light rain 68°/61° 💧 0.171 in 💨 10 mph

Friday, Oct 2Fri Oct 2

Moderate rain 70°/62° 💧 0.441 in 💨 16 mph

Saturday, Oct 3Sat Oct 3

Overcast 62°/54° 💧 0.004 in 💨 13 mph

Sunday, Oct 4Sun Oct 4

Overcast 59°/51° 💧 0.095 in 💨 12 mph

Monday, Oct 5Mon Oct 5

Overcast 56°/45° 💧 0.002 in 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Overcast 58°/43° 💧 None 💨 5 mph

Wednesday, Oct 7Wed Oct 7

Overcast 55°/47° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Forreston

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Forreston

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 1:00 AM

PM2.5 Fine particles Good 2,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 55,9µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 6,4µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Forreston

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,4Moderate 😊Good

Tomorrow UV 5,1Moderate 🙂Fair

Friday UV 5,1Moderate 🙂Fair

Saturday UV 4,1Moderate 😐Moderate

Sunday UV 5,0Moderate —Unavailable

Monday UV 5,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,6 10:00 AMUV 1,4 11:00 AMUV 3,2 12:00 PMUV 4,6 1:00 PMUV 5,4 2:00 PMUV 4,7 3:00 PMUV 3,1 4:00 PMUV 1,8 5:00 PMUV 0,5 6:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Forreston

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · FORRESTON, ILLINOIS

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

37/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 84% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon about 3° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 58° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Forreston were last refreshed today at 12:51 AM. The current forecast period extends through 24/09/2026 at 10:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.