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Current weather in Alpha is clear sky.

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

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

Now · 8:03 PM

Alpha Weather & Hourly Forecast

United States · Illinois · 61413

86°F

Clear night

Feels like: 96°F

💧 Humidity 74% 🌡 Pressure 29.88 inHg 💨 Wind 9 mph 👁 Visibility 6.2 mi ☁ Clouds 3% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:29 AM 🌇 Sunset 7:33 PM

Hourly Forecast for Alpha

Today

9:00 PM

Clear night

86° 💧 None 💨 9 mph H 74%29.88 inHg

Tomorrow

12:00 AM

Clear night

82° 💧 None 💨 9 mph H 63%29.88 inHg

3:00 AM

Clear night

78° 💧 None 💨 9 mph H 55%29.88 inHg

6:00 AM

Clear night

76° 💧 None 💨 8 mph H 62%29.88 inHg

9:00 AM

Sunny

83° 💧 None 💨 10 mph H 66%29.91 inHg

12:00 PM

Mostly sunny

90° 💧 None 💨 10 mph H 52%29.91 inHg

3:00 PM

Sunny

95° 💧 None 💨 8 mph H 46%29.85 inHg

6:00 PM

Sunny

89° 💧 None 💨 6 mph H 60%29.83 inHg

9:00 PM

Partly cloudy night

84° 💧 None 💨 12 mph H 55%29.83 inHg

Friday

12:00 AM

Mostly clear night

81° 💧 None 💨 10 mph H 52%29.83 inHg

3:00 AM

Clear night

80° 💧 None 💨 9 mph H 53%29.83 inHg

6:00 AM

Clear night

77° 💧 0.00 in 💨 9 mph H 53%29.85 inHg

9:00 AM

Light rain

82° 💧 0.02 in 💨 4 mph H 70%29.91 inHg

12:00 PM

Partly cloudy

89° 💧 None 💨 10 mph H 52%29.91 inHg

3:00 PM

Overcast

95° 💧 None 💨 10 mph H 41%29.85 inHg

6:00 PM

Overcast

91° 💧 None 💨 6 mph H 60%29.83 inHg

Today

9:00 PM

Clear night

86° 💧 None 💨 9 mph H 74%29.88 inHg

10:00 PM

Clear night

85° 💧 None 💨 9 mph H 71%29.88 inHg

11:00 PM

Clear night

84° 💧 None 💨 9 mph H 70%29.88 inHg

Tomorrow

12:00 AM

Clear night

82° 💧 None 💨 9 mph H 63%29.88 inHg

1:00 AM

Clear night

80° 💧 None 💨 8 mph H 57%29.88 inHg

2:00 AM

Mostly clear night

79° 💧 None 💨 9 mph H 53%29.88 inHg

3:00 AM

Clear night

78° 💧 None 💨 9 mph H 55%29.88 inHg

4:00 AM

Clear night

77° 💧 None 💨 8 mph H 58%29.88 inHg

5:00 AM

Clear night

76° 💧 None 💨 8 mph H 60%29.88 inHg

6:00 AM

Clear night

76° 💧 None 💨 8 mph H 62%29.88 inHg

7:00 AM

Sunny

76° 💧 None 💨 8 mph H 67%29.91 inHg

8:00 AM

Sunny

79° 💧 None 💨 8 mph H 72%29.91 inHg

9:00 AM

Sunny

83° 💧 None 💨 10 mph H 66%29.91 inHg

10:00 AM

Sunny

85° 💧 None 💨 11 mph H 58%29.91 inHg

11:00 AM

Mostly sunny

87° 💧 None 💨 11 mph H 54%29.91 inHg

12:00 PM

Mostly sunny

90° 💧 None 💨 10 mph H 52%29.91 inHg

1:00 PM

Partly cloudy

92° 💧 None 💨 10 mph H 55%29.91 inHg

2:00 PM

Sunny

94° 💧 None 💨 9 mph H 47%29.88 inHg

3:00 PM

Sunny

95° 💧 None 💨 8 mph H 46%29.85 inHg

4:00 PM

Sunny

93° 💧 None 💨 10 mph H 49%29.85 inHg

5:00 PM

Sunny

91° 💧 None 💨 9 mph H 56%29.85 inHg

6:00 PM

Sunny

89° 💧 None 💨 6 mph H 60%29.83 inHg

7:00 PM

Mostly sunny

86° 💧 None 💨 10 mph H 56%29.83 inHg

8:00 PM

Mostly cloudy night

86° 💧 None 💨 12 mph H 52%29.80 inHg

9:00 PM

Partly cloudy night

84° 💧 None 💨 12 mph H 55%29.83 inHg

10:00 PM

Mostly clear night

83° 💧 None 💨 11 mph H 46%29.83 inHg

11:00 PM

Mostly clear night

82° 💧 None 💨 11 mph H 48%29.83 inHg

Friday

12:00 AM

Mostly clear night

81° 💧 None 💨 10 mph H 52%29.83 inHg

1:00 AM

Clear night

80° 💧 None 💨 10 mph H 54%29.83 inHg

2:00 AM

Clear night

80° 💧 None 💨 9 mph H 53%29.83 inHg

3:00 AM

Clear night

80° 💧 None 💨 9 mph H 53%29.83 inHg

4:00 AM

Clear night

79° 💧 None 💨 9 mph H 54%29.83 inHg

5:00 AM

Clear night

78° 💧 None 💨 10 mph H 52%29.85 inHg

6:00 AM

Clear night

77° 💧 None 💨 9 mph H 53%29.85 inHg

7:00 AM

Sunny

77° 💧 None 💨 8 mph H 58%29.88 inHg

8:00 AM

Light rain

79° 💧 0.00 in 💨 7 mph H 68%29.91 inHg

9:00 AM

Light rain

82° 💧 0.02 in 💨 4 mph H 70%29.91 inHg

10:00 AM

Sunny

85° 💧 None 💨 9 mph H 61%29.91 inHg

11:00 AM

Mostly sunny

88° 💧 None 💨 10 mph H 54%29.91 inHg

12:00 PM

Partly cloudy

89° 💧 None 💨 10 mph H 52%29.91 inHg

1:00 PM

Partly cloudy

93° 💧 None 💨 11 mph H 48%29.88 inHg

2:00 PM

Overcast

94° 💧 None 💨 11 mph H 43%29.88 inHg

3:00 PM

Overcast

95° 💧 None 💨 10 mph H 41%29.85 inHg

4:00 PM

Overcast

96° 💧 None 💨 7 mph H 42%29.85 inHg

5:00 PM

Overcast

94° 💧 None 💨 7 mph H 50%29.83 inHg

6:00 PM

Overcast

91° 💧 None 💨 6 mph H 60%29.83 inHg

7:00 PM

Overcast

87° 💧 None 💨 6 mph H 59%29.83 inHg

8:00 PM

Overcast night

84° 💧 None 💨 8 mph H 59%29.85 inHg

9:00 PM

Mostly cloudy night

82° 💧 None 💨 8 mph H 66%29.85 inHg

10:00 PM

Mostly cloudy night

81° 💧 None 💨 8 mph H 63%29.88 inHg

11:00 PM

Partly cloudy night

80° 💧 None 💨 8 mph H 63%29.85 inHg

Saturday

12:00 AM

Partly cloudy night

80° 💧 None 💨 8 mph H 64%29.88 inHg

1:00 AM

Partly cloudy night

79° 💧 None 💨 8 mph H 63%29.88 inHg

2:00 AM

Overcast night

80° 💧 None 💨 8 mph H 58%29.85 inHg

3:00 AM

Overcast night

79° 💧 None 💨 8 mph H 56%29.85 inHg

4:00 AM

Mostly cloudy night

78° 💧 None 💨 7 mph H 56%29.85 inHg

5:00 AM

Partly cloudy night

77° 💧 None 💨 7 mph H 57%29.88 inHg

6:00 AM

Partly cloudy night

76° 💧 None 💨 7 mph H 58%29.88 inHg

7:00 AM

Partly cloudy

75° 💧 None 💨 7 mph H 62%29.88 inHg

8:00 AM

Overcast

77° 💧 None 💨 6 mph H 65%29.88 inHg

9:00 AM

Overcast

81° 💧 None 💨 7 mph H 60%29.91 inHg

10:00 AM

Mostly cloudy

84° 💧 None 💨 7 mph H 55%29.91 inHg

11:00 AM

Mostly cloudy

88° 💧 None 💨 7 mph H 49%29.91 inHg

12:00 PM

Partly cloudy

91° 💧 None 💨 7 mph H 45%29.88 inHg

1:00 PM

Partly cloudy

93° 💧 None 💨 9 mph H 43%29.88 inHg

2:00 PM

Sunny

94° 💧 None 💨 9 mph H 42%29.88 inHg

3:00 PM

Sunny

95° 💧 None 💨 8 mph H 41%29.85 inHg

4:00 PM

Sunny

96° 💧 None 💨 7 mph H 40%29.85 inHg

5:00 PM

Sunny

95° 💧 None 💨 4 mph H 46%29.85 inHg

6:00 PM

Sunny

91° 💧 None 💨 6 mph H 57%29.85 inHg

7:00 PM

Sunny

84° 💧 None 💨 9 mph H 71%29.85 inHg

8:00 PM

Overcast night

81° 💧 None 💨 9 mph H 76%29.85 inHg

9:00 PM

Overcast night

79° 💧 None 💨 8 mph H 76%29.88 inHg

10:00 PM

Overcast night

78° 💧 None 💨 10 mph H 82%29.91 inHg

11:00 PM

Overcast night

76° 💧 None 💨 13 mph H 89%29.91 inHg

Sunday

12:00 AM

Overcast night

73° 💧 None 💨 11 mph H 90%29.94 inHg

1:00 AM

Overcast night

70° 💧 None 💨 6 mph H 95%29.97 inHg

2:00 AM

Overcast night

69° 💧 None 💨 6 mph H 96%29.97 inHg

3:00 AM

Overcast night

68° 💧 None 💨 8 mph H 97%29.97 inHg

4:00 AM

Mostly cloudy night

68° 💧 None 💨 9 mph H 98%29.97 inHg

5:00 AM

Mostly cloudy night

68° 💧 None 💨 8 mph H 98%29.97 inHg

6:00 AM

Mostly cloudy night

67° 💧 None 💨 8 mph H 98%29.97 inHg

7:00 AM

Mostly cloudy

67° 💧 None 💨 9 mph H 98%30.00 inHg

8:00 AM

Overcast

70° 💧 None 💨 10 mph H 91%30.00 inHg

9:00 AM

Mostly cloudy

74° 💧 None 💨 12 mph H 83%30.00 inHg

10:00 AM

Partly cloudy

78° 💧 None 💨 11 mph H 75%30.00 inHg

11:00 AM

Partly cloudy

80° 💧 None 💨 11 mph H 68%30.03 inHg

12:00 PM

Partly cloudy

82° 💧 None 💨 13 mph H 62%30.00 inHg

1:00 PM

Partly cloudy

83° 💧 None 💨 11 mph H 56%30.00 inHg

2:00 PM

Overcast

84° 💧 None 💨 13 mph H 54%30.00 inHg

3:00 PM

Overcast

84° 💧 None 💨 12 mph H 53%30.00 inHg

4:00 PM

Mostly cloudy

83° 💧 None 💨 13 mph H 55%29.97 inHg

5:00 PM

Mostly cloudy

82° 💧 None 💨 12 mph H 58%30.00 inHg

6:00 PM

Partly cloudy

80° 💧 None 💨 14 mph H 64%29.97 inHg

7:00 PM

Partly cloudy

76° 💧 None 💨 11 mph H 69%29.97 inHg

8:00 PM

Clear night

72° 💧 None 💨 8 mph H 75%30.03 inHg

In Alpha and, more broadly, across the state of Illinois: This evening will feature a mix of sun and clouds with temperatures remaining hot, ranging from 89 to 91 degrees Fahrenheit. Winds will be light, coming from the south at around 8 mph, with occasional gusts reaching up to 23 mph. No precipitation is expected during the next few hours, so the weather will stay dry. The slight breeze may provide some relief from the heat, but residents should still prepare for warm conditions as the night progresses. Humidity levels are expected to remain steady, contributing to the warm and muggy feel in the air. Overall, it will be a warm and partly cloudy evening with minimal wind activity.

15-Day Weather Outlook for Alpha

TomorrowTomorrow

Partly cloudy 95°/76° 💧 None 💨 12 mph

Friday, Sep 4Fri Sep 4

Light rain 96°/77° 💧 0.02 in 💨 11 mph

Saturday, Sep 5Sat Sep 5

Partly cloudy 96°/75° 💧 None 💨 10 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 83°/67° 💧 None 💨 13 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 83°/62° 💧 None 💨 15 mph

Tuesday, Sep 8Tue Sep 8

Light rain 99°/71° 💧 0.01 in 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Light rain 95°/76° 💧 0.01 in 💨 15 mph

Thursday, Sep 10Thu Sep 10

Light rain 88°/65° 💧 0.02 in 💨 15 mph

Friday, Sep 11Fri Sep 11

Sunny 101°/69° 💧 None 💨 17 mph

Saturday, Sep 12Sat Sep 12

Light rain 96°/77° 💧 0.01 in 💨 17 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 97°/73° 💧 None 💨 19 mph

Monday, Sep 14Mon Sep 14

Sunny 93°/67° 💧 None 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Sunny 97°/71° 💧 None 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Sunny 89°/69° 💧 None 💨 11 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 93°/65° 💧 None 💨 15 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Alpha

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Alpha

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 PM

PM2.5 Fine particles Good 4,2µg/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 4,6µg/m³

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

O₃ Ozone Good 59,3µg/m³

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

NO₂ Nitrogen dioxide Good 4,2µg/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 Alpha

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 8,0Very high 😊Good

Tomorrow UV 7,8High 🙂Fair

Friday UV 7,5High 🙂Fair

Saturday UV 7,5High 🙂Fair

Sunday UV 7,5High 🙂Fair

Monday UV 7,0High —Unavailable

Tuesday UV 9,0Very high —Unavailable

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Good air quality

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

Stay hydrated

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

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Alpha

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.62 Population: 831

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Forecast data for Alpha were last refreshed today at 8:03 PM. The current forecast period extends through 04/09/2026 at 6:00 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.