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Current weather in Strawn is clear sky.

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This page shows hourly weather forecast for Strawn, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Strawn updated regularly?

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

Now · 8:50 AM

Strawn Weather & Hourly Forecast

United States · Illinois · 61775

68°F

Sunny

Feels like: 67°F

💧 Humidity 74% 🌡 Pressure 30.15 inHg 💨 Wind 8 mph 👁 Visibility 18.1 mi ☁ Clouds 8% ☀️ UV index 0.6 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Strawn

Today

9:00 AM

Sunny

68° 💧 None 💨 8 mph H 74%30.15 inHg

12:00 PM

Sunny

77° 💧 None 💨 8 mph H 55%30.15 inHg

3:00 PM

Mostly sunny

80° 💧 None 💨 7 mph H 48%30.09 inHg

6:00 PM

Sunny

78° 💧 None 💨 7 mph H 50%30.06 inHg

9:00 PM

Mostly cloudy night

70° 💧 None 💨 6 mph H 67%30.12 inHg

Tomorrow

12:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 76%30.12 inHg

3:00 AM

Overcast night

64° 💧 None 💨 6 mph H 78%30.12 inHg

6:00 AM

Overcast night

62° 💧 None 💨 4 mph H 88%30.12 inHg

9:00 AM

Mostly sunny

71° 💧 None 💨 5 mph H 76%30.12 inHg

12:00 PM

Mostly cloudy

82° 💧 None 💨 8 mph H 49%30.09 inHg

3:00 PM

Mostly cloudy

86° 💧 None 💨 6 mph H 41%30.06 inHg

6:00 PM

Sunny

84° 💧 None 💨 4 mph H 51%30.03 inHg

9:00 PM

Clear night

76° 💧 None 💨 6 mph H 65%30.03 inHg

Wednesday

12:00 AM

Mostly cloudy night

75° 💧 None 💨 9 mph H 62%30.03 inHg

3:00 AM

Mostly cloudy night

75° 💧 None 💨 10 mph H 63%30.00 inHg

6:00 AM

Partly cloudy night

75° 💧 None 💨 11 mph H 68%30.00 inHg

Today

9:00 AM

Sunny

68° 💧 None 💨 8 mph H 74%30.15 inHg

10:00 AM

Sunny

72° 💧 None 💨 8 mph H 66%30.15 inHg

11:00 AM

Sunny

75° 💧 None 💨 9 mph H 61%30.15 inHg

12:00 PM

Sunny

77° 💧 None 💨 8 mph H 55%30.15 inHg

1:00 PM

Sunny

79° 💧 None 💨 7 mph H 52%30.12 inHg

2:00 PM

Sunny

80° 💧 None 💨 7 mph H 50%30.12 inHg

3:00 PM

Mostly sunny

80° 💧 None 💨 7 mph H 48%30.09 inHg

4:00 PM

Sunny

80° 💧 None 💨 7 mph H 46%30.09 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 8 mph H 45%30.09 inHg

6:00 PM

Sunny

78° 💧 None 💨 7 mph H 50%30.06 inHg

7:00 PM

Sunny

74° 💧 None 💨 5 mph H 59%30.09 inHg

8:00 PM

Clear night

72° 💧 None 💨 6 mph H 63%30.09 inHg

9:00 PM

Mostly cloudy night

70° 💧 None 💨 6 mph H 67%30.12 inHg

10:00 PM

Mostly cloudy night

69° 💧 None 💨 5 mph H 72%30.12 inHg

11:00 PM

Mostly cloudy night

67° 💧 None 💨 6 mph H 76%30.12 inHg

Tomorrow

12:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 76%30.12 inHg

1:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 76%30.12 inHg

2:00 AM

Mostly cloudy night

65° 💧 None 💨 6 mph H 76%30.12 inHg

3:00 AM

Overcast night

64° 💧 None 💨 6 mph H 78%30.12 inHg

4:00 AM

Overcast night

63° 💧 None 💨 5 mph H 82%30.12 inHg

5:00 AM

Overcast night

62° 💧 None 💨 5 mph H 85%30.12 inHg

6:00 AM

Overcast night

62° 💧 None 💨 4 mph H 88%30.12 inHg

7:00 AM

Mostly cloudy

62° 💧 None 💨 6 mph H 89%30.12 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 6 mph H 83%30.12 inHg

9:00 AM

Mostly sunny

71° 💧 None 💨 5 mph H 76%30.12 inHg

10:00 AM

Mostly cloudy

76° 💧 None 💨 6 mph H 68%30.12 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 6 mph H 59%30.12 inHg

12:00 PM

Mostly cloudy

82° 💧 None 💨 8 mph H 49%30.09 inHg

1:00 PM

Mostly cloudy

84° 💧 None 💨 8 mph H 45%30.09 inHg

2:00 PM

Overcast

86° 💧 None 💨 7 mph H 43%30.06 inHg

3:00 PM

Mostly cloudy

86° 💧 None 💨 6 mph H 41%30.06 inHg

4:00 PM

Partly cloudy

87° 💧 None 💨 5 mph H 41%30.06 inHg

5:00 PM

Partly cloudy

86° 💧 None 💨 6 mph H 41%30.03 inHg

6:00 PM

Sunny

84° 💧 None 💨 4 mph H 51%30.03 inHg

7:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 61%30.03 inHg

8:00 PM

Clear night

77° 💧 None 💨 4 mph H 65%30.03 inHg

9:00 PM

Clear night

76° 💧 None 💨 6 mph H 65%30.03 inHg

10:00 PM

Mostly clear night

75° 💧 None 💨 6 mph H 65%30.06 inHg

11:00 PM

Mostly clear night

75° 💧 None 💨 8 mph H 63%30.06 inHg

Wednesday

12:00 AM

Mostly cloudy night

75° 💧 None 💨 9 mph H 62%30.03 inHg

1:00 AM

Mostly clear night

75° 💧 None 💨 9 mph H 60%30.03 inHg

2:00 AM

Mostly clear night

75° 💧 None 💨 10 mph H 59%30.00 inHg

3:00 AM

Mostly cloudy night

75° 💧 None 💨 10 mph H 63%30.00 inHg

4:00 AM

Mostly clear night

74° 💧 None 💨 11 mph H 66%30.00 inHg

5:00 AM

Mostly clear night

75° 💧 None 💨 12 mph H 66%30.00 inHg

6:00 AM

Partly cloudy night

75° 💧 None 💨 11 mph H 68%30.00 inHg

7:00 AM

Partly cloudy

75° 💧 None 💨 12 mph H 70%30.00 inHg

8:00 AM

Mostly sunny

77° 💧 None 💨 9 mph H 67%30.03 inHg

9:00 AM

Partly cloudy

79° 💧 0.002 in 💨 10 mph H 66%30.03 inHg

10:00 AM

Light rain

81° 💧 0.015 in 💨 10 mph H 64%30.03 inHg

11:00 AM

Light rain

82° 💧 0.010 in 💨 10 mph H 60%30.03 inHg

12:00 PM

Light rain

84° 💧 0.006 in 💨 7 mph H 57%30.03 inHg

1:00 PM

Mostly sunny

86° 💧 0.004 in 💨 6 mph H 55%30.00 inHg

2:00 PM

Mostly sunny

87° 💧 0.003 in 💨 6 mph H 55%29.97 inHg

3:00 PM

Partly cloudy

87° 💧 0.000 in 💨 8 mph H 55%29.97 inHg

4:00 PM

Light rain

86° 💧 0.006 in 💨 8 mph H 57%29.97 inHg

5:00 PM

Light rain

85° 💧 0.006 in 💨 8 mph H 59%29.94 inHg

6:00 PM

Overcast

84° 💧 0.001 in 💨 8 mph H 63%29.94 inHg

7:00 PM

Light rain

80° 💧 0.010 in 💨 8 mph H 77%29.97 inHg

Thursday

4:00 AM

Overcast night

70° 💧 None 💨 4 mph H 98%29.97 inHg

7:00 AM

Overcast

70° 💧 None 💨 4 mph H 99%29.97 inHg

10:00 AM

Mostly cloudy

74° 💧 None 💨 6 mph H 79%30.00 inHg

1:00 PM

Partly cloudy

80° 💧 None 💨 5 mph H 56%29.97 inHg

4:00 PM

Mostly sunny

81° 💧 None 💨 7 mph H 50%29.91 inHg

7:00 PM

Sunny

73° 💧 None 💨 5 mph H 64%29.94 inHg

10:00 PM

Clear night

66° 💧 None 💨 5 mph H 71%29.97 inHg

Friday

1:00 AM

Clear night

62° 💧 None 💨 4 mph H 88%30.00 inHg

4:00 AM

Clear night

60° 💧 None 💨 4 mph H 92%30.00 inHg

7:00 AM

Sunny

59° 💧 None 💨 4 mph H 91%30.00 inHg

10:00 AM

Sunny

71° 💧 None 💨 7 mph H 59%30.00 inHg

1:00 PM

Sunny

77° 💧 None 💨 6 mph H 51%29.97 inHg

4:00 PM

Overcast

79° 💧 None 💨 6 mph H 50%29.91 inHg

7:00 PM

Overcast

72° 💧 None 💨 4 mph H 72%29.88 inHg

10:00 PM

Clear night

69° 💧 None 💨 7 mph H 79%29.91 inHg

Saturday

1:00 AM

Clear night

68° 💧 None 💨 7 mph H 82%29.88 inHg

4:00 AM

Clear night

68° 💧 None 💨 7 mph H 89%29.85 inHg

7:00 AM

Mostly cloudy

69° 💧 None 💨 6 mph H 89%29.88 inHg

10:00 AM

Overcast

74° 💧 None 💨 9 mph H 85%29.91 inHg

1:00 PM

Overcast

78° 💧 None 💨 8 mph H 75%29.91 inHg

4:00 PM

Overcast

80° 💧 None 💨 9 mph H 70%29.91 inHg

7:00 PM

Sunny

77° 💧 None 💨 8 mph H 75%29.94 inHg

10:00 PM

Clear night

70° 💧 None 💨 8 mph H 82%30.03 inHg

Sunday

1:00 AM

Clear night

64° 💧 None 💨 6 mph H 80%30.06 inHg

7:00 AM

Mostly cloudy

74° 💧 None 💨 5 mph H 94%30.00 inHg

1:00 PM

Partly cloudy

67° 💧 None 💨 7 mph H 75%30.09 inHg

7:00 PM

Partly cloudy

82° 💧 None 💨 4 mph H 58%30.09 inHg

Monday

1:00 AM

Mostly cloudy night

78° 💧 None 💨 8 mph H 61%30.06 inHg

7:00 AM

Overcast

69° 💧 None 💨 9 mph H 67%30.09 inHg

1:00 PM

Overcast

67° 💧 None 💨 8 mph H 79%30.06 inHg

7:00 PM

Mostly sunny

91° 💧 None 💨 13 mph H 51%29.94 inHg

Tuesday

1:00 AM

Clear night

87° 💧 None 💨 15 mph H 59%29.80 inHg

7:00 AM

Light rain

82° 💧 None 💨 18 mph H 70%29.85 inHg

1:00 PM

Partly cloudy

68° 💧 None 💨 12 mph H 78%30.00 inHg

7:00 PM

Partly cloudy

76° 💧 None 💨 11 mph H 45%30.09 inHg

Wednesday

1:00 AM

Mostly cloudy night

69° 💧 None 💨 9 mph H 60%30.15 inHg

7:00 AM

Partly cloudy

61° 💧 None 💨 6 mph H 78%30.27 inHg

1:00 PM

Mostly sunny

55° 💧 None 💨 4 mph H 86%30.36 inHg

7:00 PM

Sunny

71° 💧 None 💨 8 mph H 45%30.36 inHg

Thursday

1:00 AM

Mostly clear night

67° 💧 None 💨 6 mph H 58%30.33 inHg

7:00 AM

Partly cloudy

59° 💧 None 💨 1 mph H 80%30.39 inHg

1:00 PM

Partly cloudy

57° 💧 None 💨 5 mph H 88%30.39 inHg

7:00 PM

Overcast

72° 💧 None 💨 8 mph H 43%30.36 inHg

Friday

1:00 AM

Mostly clear night

63° 💧 None 💨 8 mph H 58%30.33 inHg

7:00 AM

Sunny

53° 💧 None 💨 3 mph H 81%30.33 inHg

1:00 PM

Sunny

51° 💧 None 💨 4 mph H 92%30.30 inHg

7:00 PM

Partly cloudy night

72° 💧 None 💨 9 mph H 37%30.24 inHg

Saturday

1:00 AM

Clear night

69° 💧 None 💨 6 mph H 53%30.15 inHg

7:00 AM

Sunny

60° 💧 None 💨 5 mph H 81%30.15 inHg

1:00 PM

Sunny

55° 💧 None 💨 4 mph H 95%30.18 inHg

7:00 PM

Clear night

75° 💧 None 💨 7 mph H 39%30.15 inHg

Sunday

1:00 AM

Clear night

69° 💧 None 💨 3 mph H 52%30.09 inHg

7:00 AM

Sunny

60° 💧 None 💨 3 mph H 74%30.09 inHg

1:00 PM

Sunny

57° 💧 None 💨 5 mph H 76%30.06 inHg

7:00 PM

Overcast night

79° 💧 None 💨 10 mph H 34%30.00 inHg

Monday

1:00 AM

Overcast night

74° 💧 None 💨 4 mph H 42%29.94 inHg

7:00 AM

Overcast

66° 💧 None 💨 4 mph H 60%29.94 inHg

1:00 PM

Light rain

62° 💧 None 💨 4 mph H 68%29.97 inHg

7:00 PM

Moderate rain

67° 💧 None 💨 3 mph H 84%30.00 inHg

Tuesday

1:00 AM

Overcast night

68° 💧 None 💨 4 mph H 77%29.94 inHg

In Strawn and, more broadly, across the state of Illinois: This morning will start with a mix of sun and clouds, offering pleasant conditions for early activities. Temperatures will be mild, ranging from around 59 to the low 70s. As the day progresses into the afternoon, expect temperatures to warm up slightly, reaching up to 82 degrees. Winds will be coming from the east at a moderate pace, with sustained speeds around 11 mph and occasional gusts reaching 22 mph. No precipitation is expected, so outdoor plans should be comfortable and dry. Overall, it looks like a nice day to enjoy mild temperatures with partly sunny skies and breezy conditions.

15-Day Weather Outlook for Strawn

TomorrowTomorrow

Mostly cloudy 87°/62° 💧 None 💨 8 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 87°/74° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Light rain 81°/70° 💧 0.404 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Overcast 79°/59° 💧 0.000 in 💨 7 mph

Saturday, Sep 12Sat Sep 12

Overcast 80°/68° 💧 0.060 in 💨 9 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 77°/64° 💧 0.002 in 💨 8 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 82°/67° 💧 0.044 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Light rain 91°/68° 💧 0.034 in 💨 18 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 76°/55° 💧 None 💨 11 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 71°/57° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Overcast 72°/51° 💧 None 💨 8 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 72°/55° 💧 None 💨 9 mph

Sunday, Sep 20Sun Sep 20

Sunny 75°/57° 💧 None 💨 7 mph

Monday, Sep 21Mon Sep 21

Overcast 79°/62° 💧 None 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Moderate rain 68°/67° 💧 0.101 in 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Strawn

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Strawn

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 AM

PM2.5 Fine particles Good 6,4µg/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 7,0µg/m³

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

O₃ Ozone Good 49,0µg/m³

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

NO₂ Nitrogen dioxide Good 3,4µg/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 Strawn

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 7,5High 😊Good

Tomorrow UV 7,3High 😐Moderate

Wednesday UV 5,3Moderate 🙂Fair

Thursday UV 6,6High 🙂Fair

Friday UV 7,0High 😊Good

Saturday UV 8,0Very high —Unavailable

Sunday UV 7,0High —Unavailable

Hourly UV index today

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

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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 Strawn

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · STRAWN, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

88/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 8:50 PM–4:53 AM

☁ Cloud cover 16% Real hourly forecast for the best viewing hour.

☾ Moonlight 14% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 46° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min65%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Strawn were last refreshed today at 8:50 AM. The current forecast period extends through 09/09/2026 at 6:00 AM. 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.