What is the weather in Grantfork right now?

Current weather in Grantfork is clear sky.

Where can I find the hourly weather forecast for Grantfork?

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

Is the weather forecast for Grantfork updated regularly?

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

Now · 5:37 AM

Grantfork Weather & Hourly Forecast

United States · Illinois · 62249

76°F

Clear night

Feels like: 77°F

💧 Humidity 85% 🌡 Pressure 29.94 inHg 💨 Wind 7 mph 👁 Visibility 6.2 mi ☁ Clouds 2% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:30 AM 🌇 Sunset 7:25 PM

Hourly Forecast for Grantfork

Today

6:00 AM

Clear night

76° 💧 None 💨 7 mph H 85%29.94 inHg

9:00 AM

Sunny

84° 💧 None 💨 7 mph H 67%29.97 inHg

12:00 PM

Sunny

96° 💧 None 💨 5 mph H 39%29.97 inHg

3:00 PM

Mostly cloudy

100° 💧 None 💨 2 mph H 32%29.88 inHg

6:00 PM

Overcast

97° 💧 None 💨 6 mph H 42%29.85 inHg

9:00 PM

Mostly cloudy night

86° 💧 None 💨 7 mph H 49%29.88 inHg

Tomorrow

12:00 AM

Partly cloudy night

82° 💧 None 💨 8 mph H 51%29.88 inHg

3:00 AM

Partly cloudy night

79° 💧 None 💨 8 mph H 58%29.88 inHg

6:00 AM

Mostly clear night

76° 💧 0.01 in 💨 5 mph H 62%29.88 inHg

9:00 AM

Partly cloudy

85° 💧 None 💨 8 mph H 60%29.91 inHg

12:00 PM

Partly cloudy

97° 💧 None 💨 9 mph H 39%29.88 inHg

3:00 PM

Overcast

102° 💧 None 💨 8 mph H 31%29.83 inHg

6:00 PM

Mostly cloudy

95° 💧 None 💨 6 mph H 41%29.80 inHg

9:00 PM

Clear night

84° 💧 0.04 in 💨 9 mph H 56%29.85 inHg

Sunday

12:00 AM

Mostly clear night

76° 💧 None 💨 6 mph H 85%29.91 inHg

3:00 AM

Clear night

73° 💧 None 💨 9 mph H 96%29.91 inHg

Today

6:00 AM

Clear night

76° 💧 None 💨 7 mph H 85%29.94 inHg

7:00 AM

Sunny

76° 💧 None 💨 6 mph H 82%29.94 inHg

8:00 AM

Sunny

78° 💧 None 💨 5 mph H 78%29.97 inHg

9:00 AM

Sunny

84° 💧 None 💨 7 mph H 67%29.97 inHg

10:00 AM

Sunny

90° 💧 None 💨 6 mph H 56%29.97 inHg

11:00 AM

Sunny

94° 💧 None 💨 6 mph H 43%29.97 inHg

12:00 PM

Sunny

96° 💧 None 💨 5 mph H 39%29.97 inHg

1:00 PM

Sunny

98° 💧 None 💨 5 mph H 35%29.94 inHg

2:00 PM

Mostly sunny

99° 💧 None 💨 3 mph H 33%29.91 inHg

3:00 PM

Mostly cloudy

100° 💧 None 💨 2 mph H 32%29.88 inHg

4:00 PM

Mostly cloudy

100° 💧 None 💨 1 mph H 31%29.88 inHg

5:00 PM

Mostly cloudy

99° 💧 None 💨 3 mph H 33%29.85 inHg

6:00 PM

Overcast

97° 💧 None 💨 6 mph H 42%29.85 inHg

7:00 PM

Mostly cloudy

91° 💧 None 💨 5 mph H 48%29.85 inHg

8:00 PM

Mostly cloudy night

88° 💧 None 💨 8 mph H 49%29.88 inHg

9:00 PM

Mostly cloudy night

86° 💧 None 💨 7 mph H 49%29.88 inHg

10:00 PM

Partly cloudy night

85° 💧 None 💨 8 mph H 47%29.88 inHg

11:00 PM

Partly cloudy night

82° 💧 None 💨 8 mph H 48%29.88 inHg

Tomorrow

12:00 AM

Partly cloudy night

82° 💧 None 💨 8 mph H 51%29.88 inHg

1:00 AM

Partly cloudy night

81° 💧 None 💨 7 mph H 57%29.88 inHg

2:00 AM

Partly cloudy night

80° 💧 None 💨 7 mph H 57%29.88 inHg

3:00 AM

Partly cloudy night

79° 💧 None 💨 8 mph H 58%29.88 inHg

4:00 AM

Mostly clear night

78° 💧 None 💨 7 mph H 61%29.88 inHg

5:00 AM

Mostly clear night

77° 💧 None 💨 6 mph H 61%29.88 inHg

6:00 AM

Mostly clear night

76° 💧 None 💨 5 mph H 62%29.88 inHg

7:00 AM

Mostly sunny

77° 💧 None 💨 6 mph H 63%29.91 inHg

8:00 AM

Light rain

80° 💧 0.01 in 💨 4 mph H 69%29.91 inHg

9:00 AM

Partly cloudy

85° 💧 None 💨 8 mph H 60%29.91 inHg

10:00 AM

Mostly sunny

90° 💧 None 💨 9 mph H 50%29.91 inHg

11:00 AM

Mostly sunny

94° 💧 None 💨 11 mph H 45%29.91 inHg

12:00 PM

Partly cloudy

97° 💧 None 💨 9 mph H 39%29.88 inHg

1:00 PM

Partly cloudy

98° 💧 None 💨 8 mph H 34%29.88 inHg

2:00 PM

Mostly cloudy

101° 💧 None 💨 7 mph H 32%29.85 inHg

3:00 PM

Overcast

102° 💧 None 💨 8 mph H 31%29.83 inHg

4:00 PM

Mostly cloudy

101° 💧 None 💨 9 mph H 31%29.83 inHg

5:00 PM

Mostly cloudy

100° 💧 None 💨 7 mph H 32%29.80 inHg

6:00 PM

Mostly cloudy

95° 💧 None 💨 6 mph H 41%29.80 inHg

7:00 PM

Overcast

89° 💧 None 💨 7 mph H 48%29.80 inHg

8:00 PM

Clear night

87° 💧 None 💨 9 mph H 53%29.83 inHg

9:00 PM

Clear night

84° 💧 None 💨 9 mph H 56%29.85 inHg

10:00 PM

Light rain

79° 💧 0.02 in 💨 3 mph H 71%29.91 inHg

11:00 PM

Light rain

76° 💧 0.02 in 💨 6 mph H 84%29.91 inHg

Sunday

12:00 AM

Mostly clear night

76° 💧 None 💨 6 mph H 85%29.91 inHg

1:00 AM

Mostly clear night

76° 💧 None 💨 8 mph H 89%29.91 inHg

2:00 AM

Clear night

75° 💧 None 💨 9 mph H 93%29.91 inHg

3:00 AM

Clear night

73° 💧 None 💨 9 mph H 96%29.91 inHg

4:00 AM

Clear night

73° 💧 None 💨 10 mph H 97%29.91 inHg

5:00 AM

Clear night

72° 💧 None 💨 8 mph H 98%29.91 inHg

6:00 AM

Clear night

72° 💧 None 💨 8 mph H 98%29.91 inHg

7:00 AM

Sunny

72° 💧 None 💨 8 mph H 98%29.94 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 10 mph H 93%29.97 inHg

9:00 AM

Partly cloudy

77° 💧 None 💨 11 mph H 83%29.97 inHg

10:00 AM

Partly cloudy

81° 💧 None 💨 10 mph H 69%30.00 inHg

11:00 AM

Mostly sunny

85° 💧 None 💨 10 mph H 57%30.00 inHg

12:00 PM

Partly cloudy

87° 💧 None 💨 10 mph H 50%29.97 inHg

1:00 PM

Partly cloudy

89° 💧 None 💨 11 mph H 44%29.97 inHg

2:00 PM

Sunny

90° 💧 None 💨 13 mph H 38%29.97 inHg

3:00 PM

Sunny

91° 💧 None 💨 13 mph H 35%29.94 inHg

4:00 PM

Sunny

90° 💧 None 💨 12 mph H 34%29.94 inHg

5:00 PM

Sunny

89° 💧 None 💨 13 mph H 36%29.94 inHg

6:00 PM

Mostly sunny

85° 💧 None 💨 11 mph H 41%29.94 inHg

7:00 PM

Partly cloudy

80° 💧 None 💨 11 mph H 46%29.94 inHg

8:00 PM

Overcast night

78° 💧 None 💨 11 mph H 45%29.97 inHg

9:00 PM

Overcast night

74° 💧 None 💨 11 mph H 52%29.97 inHg

10:00 PM

Mostly cloudy night

70° 💧 None 💨 12 mph H 63%30.00 inHg

11:00 PM

Mostly cloudy night

68° 💧 None 💨 12 mph H 69%30.00 inHg

Monday

12:00 AM

Mostly cloudy night

67° 💧 None 💨 11 mph H 73%30.03 inHg

1:00 AM

Mostly cloudy night

65° 💧 None 💨 6 mph H 79%30.06 inHg

2:00 AM

Overcast night

63° 💧 None 💨 8 mph H 83%30.06 inHg

3:00 AM

Mostly cloudy night

61° 💧 None 💨 8 mph H 89%30.06 inHg

4:00 AM

Mostly cloudy night

61° 💧 None 💨 7 mph H 91%30.06 inHg

5:00 AM

Mostly cloudy night

60° 💧 None 💨 8 mph H 92%30.06 inHg

6:00 AM

Mostly cloudy night

59° 💧 None 💨 7 mph H 94%30.06 inHg

7:00 AM

Mostly cloudy

59° 💧 None 💨 7 mph H 94%30.06 inHg

8:00 AM

Mostly cloudy

64° 💧 None 💨 10 mph H 81%30.09 inHg

9:00 AM

Partly cloudy

70° 💧 None 💨 12 mph H 65%30.09 inHg

10:00 AM

Partly cloudy

75° 💧 None 💨 10 mph H 53%30.09 inHg

11:00 AM

Partly cloudy

79° 💧 None 💨 8 mph H 44%30.09 inHg

12:00 PM

Mostly sunny

82° 💧 None 💨 7 mph H 37%30.06 inHg

1:00 PM

Mostly sunny

84° 💧 None 💨 6 mph H 33%30.03 inHg

2:00 PM

Sunny

87° 💧 None 💨 6 mph H 29%30.03 inHg

3:00 PM

Sunny

88° 💧 None 💨 7 mph H 26%30.00 inHg

4:00 PM

Sunny

89° 💧 None 💨 7 mph H 25%30.00 inHg

5:00 PM

Sunny

88° 💧 None 💨 8 mph H 26%30.00 inHg

6:00 PM

Mostly sunny

85° 💧 None 💨 8 mph H 33%30.00 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 42%30.00 inHg

8:00 PM

Overcast night

73° 💧 None 💨 9 mph H 44%30.03 inHg

9:00 PM

Mostly cloudy night

71° 💧 None 💨 9 mph H 51%30.06 inHg

10:00 PM

Mostly cloudy night

69° 💧 None 💨 9 mph H 56%30.06 inHg

11:00 PM

Mostly cloudy night

67° 💧 None 💨 8 mph H 64%30.03 inHg

Tuesday

12:00 AM

Mostly cloudy night

65° 💧 None 💨 8 mph H 68%30.06 inHg

1:00 AM

Mostly cloudy night

65° 💧 None 💨 8 mph H 71%30.06 inHg

2:00 AM

Clear night

64° 💧 None 💨 8 mph H 77%30.06 inHg

3:00 AM

Clear night

63° 💧 None 💨 7 mph H 81%30.06 inHg

4:00 AM

Clear night

63° 💧 None 💨 6 mph H 79%30.06 inHg

5:00 AM

Clear night

63° 💧 None 💨 5 mph H 76%30.06 inHg

In Grantfork and, more broadly, across the state of Illinois: The evening will feature mostly sunny skies with a few clouds passing through. Temperatures will remain hot, ranging from 89 to 92 degrees Fahrenheit. Expect moderate south winds at around 10 mph, with gusts reaching up to 23 mph. No precipitation is anticipated during this time, so it should remain dry throughout the evening and into the early night hours.

15-Day Weather Outlook for Grantfork

TomorrowTomorrow

Light rain 102°/76° 💧 0.05 in 💨 11 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 91°/68° 💧 None 💨 13 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 89°/59° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 97°/63° 💧 None 💨 8 mph

Wednesday, Sep 9Wed Sep 9

Light rain 104°/74° 💧 0.01 in 💨 13 mph

Thursday, Sep 10Thu Sep 10

Light rain 95°/68° 💧 0.06 in 💨 11 mph

Friday, Sep 11Fri Sep 11

Light rain 101°/63° 💧 0.02 in 💨 11 mph

Saturday, Sep 12Sat Sep 12

Sunny 95°/73° 💧 None 💨 16 mph

Sunday, Sep 13Sun Sep 13

Sunny 100°/66° 💧 None 💨 14 mph

Monday, Sep 14Mon Sep 14

Sunny 107°/73° 💧 None 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Light rain 106°/77° 💧 0.14 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Light rain 96°/74° 💧 0.08 in 💨 8 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 100°/73° 💧 0.37 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Light rain 96°/72° 💧 0.08 in 💨 13 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 92°/70° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Grantfork

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Grantfork

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 3,7µg/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 4,1µg/m³

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

O₃ Ozone Good 44,9µg/m³

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

NO₂ Nitrogen dioxide Good 1,0µg/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 Grantfork

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 8,3Very high 😊Good

Tomorrow UV 6,9High 🙂Fair

Sunday UV 7,8High 😐Moderate

Monday UV 8,0Very high 🙂Fair

Tuesday UV 10,0Very high 🙂Fair

Wednesday UV 10,0Very high —Unavailable

Thursday UV 10,0Very high —Unavailable

Hourly UV index today

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

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.

Comfortable temperature conditions

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

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 Grantfork

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.50 Population: 459

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Forecast data for Grantfork were last refreshed today at 5:24 AM. The current forecast period extends through 06/09/2026 at 3:00 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.