What is the weather in Savanna right now?

Current weather in Savanna is scattered clouds.

Where can I find the hourly weather forecast for Savanna?

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

Is the weather forecast for Savanna updated regularly?

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

Now · 4:17 PM

Savanna Weather & Hourly Forecast

United States · Illinois · 61074

83°F

Partly cloudy

Feels like: 88°F

💧 Humidity 70% 🌡 Pressure 29.94 inHg 💨 Wind 7 mph 👁 Visibility 21.1 mi ☁ Clouds 46% ☀️ UV index 3.4 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Savanna

Today

5:00 PM

Partly cloudy

82° 💧 0.000 in 💨 7 mph H 69%29.94 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 7 mph H 81%29.97 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 6 mph H 90%30.00 inHg

Tomorrow

2:00 AM

Mostly cloudy night

69° 💧 None 💨 6 mph H 96%30.06 inHg

5:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 95%30.03 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 5 mph H 90%30.06 inHg

11:00 AM

Mostly cloudy

77° 💧 0.000 in 💨 6 mph H 72%30.06 inHg

2:00 PM

Overcast

81° 💧 0.000 in 💨 7 mph H 61%30.03 inHg

5:00 PM

Partly cloudy

80° 💧 None 💨 6 mph H 60%30.03 inHg

8:00 PM

Mostly cloudy night

74° 💧 None 💨 7 mph H 75%30.03 inHg

11:00 PM

Mostly cloudy night

69° 💧 None 💨 8 mph H 72%30.09 inHg

Monday

2:00 AM

Clear night

65° 💧 None 💨 6 mph H 85%30.09 inHg

5:00 AM

Partly cloudy night

64° 💧 None 💨 5 mph H 92%30.12 inHg

8:00 AM

Sunny

66° 💧 None 💨 6 mph H 86%30.15 inHg

11:00 AM

Mostly sunny

74° 💧 None 💨 8 mph H 62%30.18 inHg

2:00 PM

Overcast

78° 💧 None 💨 9 mph H 55%30.12 inHg

Today

5:00 PM

Partly cloudy

82° 💧 None 💨 7 mph H 69%29.94 inHg

6:00 PM

Mostly cloudy

81° 💧 0.000 in 💨 7 mph H 71%29.94 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 6 mph H 77%29.94 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 7 mph H 81%29.97 inHg

9:00 PM

Partly cloudy night

74° 💧 None 💨 7 mph H 83%29.97 inHg

10:00 PM

Partly cloudy night

73° 💧 None 💨 7 mph H 86%30.00 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 6 mph H 90%30.00 inHg

Tomorrow

12:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 94%30.03 inHg

1:00 AM

Overcast night

70° 💧 None 💨 6 mph H 96%30.06 inHg

2:00 AM

Mostly cloudy night

69° 💧 None 💨 6 mph H 96%30.06 inHg

3:00 AM

Partly cloudy night

68° 💧 None 💨 6 mph H 96%30.03 inHg

4:00 AM

Mostly clear night

67° 💧 None 💨 6 mph H 96%30.03 inHg

5:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 95%30.03 inHg

6:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 95%30.03 inHg

7:00 AM

Sunny

66° 💧 None 💨 5 mph H 94%30.06 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 5 mph H 90%30.06 inHg

9:00 AM

Mostly cloudy

71° 💧 None 💨 4 mph H 85%30.09 inHg

10:00 AM

Mostly cloudy

74° 💧 None 💨 5 mph H 80%30.06 inHg

11:00 AM

Mostly cloudy

77° 💧 None 💨 6 mph H 72%30.06 inHg

12:00 PM

Overcast

79° 💧 0.000 in 💨 8 mph H 66%30.06 inHg

1:00 PM

Overcast

80° 💧 None 💨 7 mph H 63%30.06 inHg

2:00 PM

Overcast

81° 💧 None 💨 7 mph H 61%30.03 inHg

3:00 PM

Mostly cloudy

81° 💧 0.000 in 💨 7 mph H 60%30.03 inHg

4:00 PM

Overcast

81° 💧 None 💨 7 mph H 58%30.03 inHg

5:00 PM

Partly cloudy

80° 💧 None 💨 6 mph H 60%30.03 inHg

6:00 PM

Partly cloudy

79° 💧 None 💨 5 mph H 63%30.00 inHg

7:00 PM

Partly cloudy

77° 💧 None 💨 5 mph H 71%30.00 inHg

8:00 PM

Mostly cloudy night

74° 💧 None 💨 7 mph H 75%30.03 inHg

9:00 PM

Overcast night

73° 💧 None 💨 9 mph H 74%30.06 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 9 mph H 73%30.06 inHg

11:00 PM

Mostly cloudy night

69° 💧 None 💨 8 mph H 72%30.09 inHg

Monday

12:00 AM

Mostly cloudy night

67° 💧 None 💨 7 mph H 74%30.12 inHg

1:00 AM

Clear night

65° 💧 None 💨 7 mph H 79%30.12 inHg

2:00 AM

Clear night

65° 💧 None 💨 6 mph H 85%30.09 inHg

3:00 AM

Mostly clear night

64° 💧 None 💨 6 mph H 89%30.12 inHg

4:00 AM

Mostly clear night

64° 💧 None 💨 6 mph H 90%30.12 inHg

5:00 AM

Partly cloudy night

64° 💧 None 💨 5 mph H 92%30.12 inHg

6:00 AM

Partly cloudy night

64° 💧 None 💨 4 mph H 93%30.15 inHg

7:00 AM

Sunny

64° 💧 None 💨 5 mph H 92%30.15 inHg

8:00 AM

Sunny

66° 💧 None 💨 6 mph H 86%30.15 inHg

9:00 AM

Sunny

69° 💧 None 💨 6 mph H 78%30.15 inHg

10:00 AM

Mostly sunny

72° 💧 None 💨 7 mph H 71%30.15 inHg

11:00 AM

Mostly sunny

74° 💧 None 💨 8 mph H 62%30.18 inHg

12:00 PM

Partly cloudy

76° 💧 None 💨 8 mph H 58%30.18 inHg

1:00 PM

Overcast

77° 💧 None 💨 9 mph H 56%30.15 inHg

2:00 PM

Overcast

78° 💧 None 💨 9 mph H 55%30.12 inHg

3:00 PM

Overcast

79° 💧 None 💨 8 mph H 55%30.09 inHg

4:00 PM

Partly cloudy

79° 💧 None 💨 8 mph H 55%30.09 inHg

5:00 PM

Mostly cloudy

78° 💧 None 💨 8 mph H 57%30.09 inHg

6:00 PM

Overcast

77° 💧 None 💨 8 mph H 61%30.09 inHg

7:00 PM

Overcast

74° 💧 None 💨 7 mph H 67%30.09 inHg

8:00 PM

Overcast night

72° 💧 None 💨 7 mph H 71%30.09 inHg

9:00 PM

Overcast night

71° 💧 None 💨 8 mph H 73%30.09 inHg

10:00 PM

Overcast night

70° 💧 None 💨 8 mph H 75%30.12 inHg

11:00 PM

Mostly cloudy night

69° 💧 None 💨 7 mph H 78%30.12 inHg

Tuesday

12:00 AM

Overcast night

68° 💧 None 💨 9 mph H 81%30.12 inHg

1:00 AM

Overcast night

67° 💧 None 💨 8 mph H 81%30.12 inHg

2:00 AM

Mostly cloudy night

67° 💧 None 💨 8 mph H 82%30.09 inHg

3:00 AM

Overcast night

66° 💧 None 💨 8 mph H 84%30.09 inHg

4:00 AM

Mostly cloudy night

66° 💧 None 💨 8 mph H 84%30.09 inHg

5:00 AM

Partly cloudy night

66° 💧 None 💨 8 mph H 84%30.09 inHg

6:00 AM

Mostly clear night

65° 💧 None 💨 9 mph H 85%30.09 inHg

7:00 AM

Mostly cloudy

65° 💧 None 💨 8 mph H 85%30.09 inHg

10:00 AM

Mostly cloudy

73° 💧 None 💨 9 mph H 71%30.06 inHg

1:00 PM

Sunny

83° 💧 None 💨 11 mph H 53%30.03 inHg

4:00 PM

Sunny

88° 💧 None 💨 11 mph H 48%29.94 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 10 mph H 61%29.94 inHg

10:00 PM

Overcast night

79° 💧 None 💨 11 mph H 62%29.97 inHg

Wednesday

1:00 AM

Overcast night

78° 💧 None 💨 12 mph H 56%29.94 inHg

4:00 AM

Overcast night

76° 💧 None 💨 10 mph H 64%29.94 inHg

7:00 AM

Mostly cloudy

72° 💧 None 💨 8 mph H 94%29.97 inHg

10:00 AM

Mostly cloudy

78° 💧 None 💨 6 mph H 85%30.00 inHg

1:00 PM

Overcast

85° 💧 None 💨 10 mph H 53%30.00 inHg

4:00 PM

Mostly cloudy

83° 💧 None 💨 9 mph H 55%29.97 inHg

7:00 PM

Partly cloudy

77° 💧 None 💨 7 mph H 65%29.97 inHg

10:00 PM

Clear night

70° 💧 None 💨 6 mph H 77%30.03 inHg

Thursday

1:00 AM

Mostly clear night

67° 💧 None 💨 4 mph H 86%30.03 inHg

4:00 AM

Overcast night

66° 💧 None 💨 6 mph H 84%30.00 inHg

7:00 AM

Overcast

63° 💧 None 💨 3 mph H 89%30.03 inHg

10:00 AM

Mostly sunny

73° 💧 None 💨 4 mph H 65%30.06 inHg

1:00 PM

Sunny

78° 💧 None 💨 4 mph H 44%30.03 inHg

4:00 PM

Sunny

80° 💧 None 💨 6 mph H 43%29.97 inHg

7:00 PM

Sunny

74° 💧 None 💨 3 mph H 66%29.97 inHg

10:00 PM

Clear night

67° 💧 None 💨 3 mph H 78%29.97 inHg

Friday

1:00 AM

Mostly clear night

64° 💧 None 💨 4 mph H 81%29.97 inHg

4:00 AM

Mostly cloudy night

63° 💧 None 💨 2 mph H 83%29.94 inHg

7:00 AM

Overcast

63° 💧 None 💨 3 mph H 86%29.97 inHg

1:00 PM

Overcast

80° 💧 None 💨 7 mph H 47%29.91 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 2 mph H 71%29.83 inHg

Saturday

1:00 AM

Mostly clear night

70° 💧 None 💨 8 mph H 73%29.83 inHg

7:00 AM

Sunny

66° 💧 None 💨 9 mph H 90%29.80 inHg

1:00 PM

Mostly sunny

84° 💧 None 💨 12 mph H 60%29.71 inHg

7:00 PM

Sunny

85° 💧 None 💨 13 mph H 65%29.59 inHg

Sunday

1:00 AM

Light rain

74° 💧 None 💨 12 mph H 93%29.65 inHg

7:00 AM

Light rain

64° 💧 None 💨 14 mph H 94%29.80 inHg

1:00 PM

Overcast

65° 💧 None 💨 12 mph H 81%29.97 inHg

7:00 PM

Mostly cloudy

65° 💧 None 💨 6 mph H 69%30.03 inHg

Monday

1:00 AM

Clear night

60° 💧 None 💨 8 mph H 75%30.15 inHg

7:00 AM

Sunny

54° 💧 None 💨 6 mph H 83%30.24 inHg

1:00 PM

Sunny

68° 💧 None 💨 7 mph H 48%30.24 inHg

7:00 PM

Sunny

63° 💧 None 💨 2 mph H 68%30.18 inHg

Tuesday

1:00 AM

Clear night

58° 💧 None 💨 2 mph H 79%30.21 inHg

7:00 AM

Sunny

54° 💧 None 💨 1 mph H 86%30.24 inHg

1:00 PM

Sunny

69° 💧 None 💨 3 mph H 52%30.24 inHg

7:00 PM

Sunny

66° 💧 None 💨 1 mph H 64%30.18 inHg

Wednesday

1:00 AM

Clear night

59° 💧 None 💨 4 mph H 81%30.21 inHg

7:00 AM

Sunny

57° 💧 None 💨 2 mph H 88%30.27 inHg

1:00 PM

Mostly sunny

74° 💧 None 💨 4 mph H 49%30.27 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 2 mph H 66%30.24 inHg

Thursday

1:00 AM

Mostly clear night

64° 💧 None 💨 3 mph H 80%30.27 inHg

7:00 AM

Sunny

60° 💧 None 💨 1 mph H 89%30.27 inHg

1:00 PM

Partly cloudy

77° 💧 None 💨 1 mph H 52%30.27 inHg

7:00 PM

Overcast

72° 💧 None 💨 2 mph H 69%30.21 inHg

Friday

1:00 AM

Overcast night

68° 💧 None 💨 4 mph H 74%30.21 inHg

7:00 AM

Light rain

65° 💧 None 💨 3 mph H 80%30.18 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 10 mph H 65%30.15 inHg

7:00 PM

Light rain

66° 💧 None 💨 9 mph H 85%30.00 inHg

Saturday

1:00 AM

Mostly cloudy night

65° 💧 None 💨 10 mph H 87%29.94 inHg

7:00 AM

Overcast

63° 💧 None 💨 3 mph H 85%29.88 inHg

1:00 PM

Partly cloudy

77° 💧 None 💨 6 mph H 65%29.85 inHg

7:00 PM

Mostly sunny

72° 💧 None 💨 7 mph H 74%29.83 inHg

Sunday

1:00 AM

Mostly clear night

65° 💧 None 💨 5 mph H 85%29.85 inHg

7:00 AM

Mostly sunny

63° 💧 None 💨 5 mph H 90%29.83 inHg

In Savanna and, more broadly, across the state of Illinois: As the afternoon progresses into the evening, the sky will feature a mix of sun and clouds, creating partly cloudy conditions. Temperatures will remain warm, ranging from the mid-70s to the low 90s. Winds will be moderate, coming from the northeast at speeds up to 12 mph, with occasional gusts reaching 25 mph. No precipitation is expected during this time, so outdoor plans should generally be comfortable. As the evening settles in, temperatures will gradually cool but stay in the comfortable range, with relatively breezy conditions persisting. Overall, expect a warm and breezy end to the day with no significant weather concerns.

15-Day Weather Outlook for Savanna

TomorrowTomorrow

Partly cloudy 81°/66° 💧 None 💨 8 mph

Monday, Sep 7Mon Sep 7

Partly cloudy 79°/64° 💧 None 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Overcast 88°/65° 💧 0.005 in 💨 11 mph

Wednesday, Sep 9Wed Sep 9

Overcast 85°/72° 💧 0.112 in 💨 12 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 80°/63° 💧 None 💨 7 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 80°/63° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 84°/66° 💧 0.031 in 💨 12 mph

Sunday, Sep 13Sun Sep 13

Light rain 85°/64° 💧 0.601 in 💨 14 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 68°/54° 💧 None 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Sunny 69°/54° 💧 None 💨 3 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 74°/57° 💧 None 💨 4 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 77°/60° 💧 None 💨 3 mph

Friday, Sep 18Fri Sep 18

Light rain 72°/65° 💧 0.050 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Light rain 77°/63° 💧 0.139 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 72°/63° 💧 0.018 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Savanna

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Savanna

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

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

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

O₃ Ozone Fair 82,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Savanna

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 6,7High 🙂Fair

Tomorrow UV 6,4High 🙂Fair

Monday UV 7,4High 😐Moderate

Tuesday UV 7,2High 😐Moderate

Wednesday UV 5,5Moderate 😐Moderate

Thursday UV 7,0High —Unavailable

Friday UV 7,0High —Unavailable

Hourly UV index today

5:00 PMUV 1,7 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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Savanna

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SAVANNA, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

80/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:05 PM–4:54 AM

☁ Cloud cover 17% Real hourly forecast for the best viewing hour.

☾ Moonlight 30% Waning Crescent · Moon about 40° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 87° 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 min67%

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

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

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

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

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Forecast data for Savanna were last refreshed today at 4:17 PM. The current forecast period extends through 07/09/2026 at 2:00 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.