Daily forecast
as
Last update: 23:37 local time / This forecast is based on the GFS model
Sunday, Sep 14
Wind
Weather
01h
5 kts
max 7 kts
24° C
996 hpa
04h
5 kts
max 7 kts
22° C
996 hpa
07h
4 kts
max 6 kts
22° C
997 hpa
10h
4 kts
max 7 kts
29° C
998 hpa
13h
3 kts
max 5 kts
34° C
997 hpa
16h
2 kts
max 5 kts
36° C
995 hpa
19h
15 kts
max 23 kts
1.3 mm
27° C
997 hpa
22h
2 kts
max 7 kts
2.18 mm
24° C
997 hpa
Monday, Sep 15
Wind
Weather
01h
4 kts
max 6 kts
1.2 mm
21° C
998 hpa
04h
5 kts
max 8 kts
21° C
998 hpa
07h
2 kts
max 2 kts
21° C
999 hpa
10h
5 kts
max 7 kts
27° C
1001 hpa
13h
5 kts
max 5 kts
32° C
1000 hpa
16h
4 kts
max 5 kts
34° C
999 hpa
19h
5 kts
max 7 kts
29° C
999 hpa
22h
6 kts
max 9 kts
25° C
1000 hpa
Tuesday, Sep 16
Wind
Weather
01h
6 kts
max 15 kts
23° C
1001 hpa
04h
5 kts
max 9 kts
21° C
1001 hpa
07h
4 kts
max 5 kts
21° C
1002 hpa
10h
5 kts
max 6 kts
28° C
1002 hpa
13h
4 kts
max 4 kts
34° C
1001 hpa
16h
6 kts
max 6 kts
35° C
999 hpa
19h
5 kts
max 7 kts
29° C
998 hpa
22h
5 kts
max 10 kts
25° C
1000 hpa
Wednesday, Sep 17
Wind
Weather
01h
5 kts
max 9 kts
23° C
999 hpa
04h
3 kts
max 3 kts
22° C
999 hpa
07h
4 kts
max 5 kts
20° C
999 hpa
10h
4 kts
max 5 kts
28° C
999 hpa
13h
5 kts
max 5 kts
34° C
998 hpa
16h
1 kts
max 3 kts
36° C
995 hpa
19h
6 kts
max 6 kts
29° C
994 hpa
22h
5 kts
max 7 kts
26° C
995 hpa
Thursday, Sep 18
Wind
Weather
01h
4 kts
max 6 kts
23° C
996 hpa
04h
6 kts
max 8 kts
20° C
996 hpa
07h
4 kts
max 5 kts
20° C
996 hpa
10h
5 kts
max 6 kts
27° C
997 hpa
13h
7 kts
max 10 kts
32° C
996 hpa
16h
9 kts
max 12 kts
33° C
995 hpa
19h
13 kts
max 24 kts
5.51 mm
22° C
994 hpa
22h
2 kts
max 7 kts
18.53 mm
20° C
997 hpa
Friday, Sep 19
Wind
Weather
01h
6 kts
max 15 kts
1.82 mm
19° C
998 hpa
04h
2 kts
max 4 kts
1.44 mm
20° C
997 hpa
07h
5 kts
max 10 kts
19° C
998 hpa
10h
5 kts
max 7 kts
23° C
999 hpa
13h
5 kts
max 5 kts
28° C
998 hpa
16h
2 kts
max 6 kts
30° C
997 hpa
19h
3 kts
max 3 kts
25° C
996 hpa
22h
5 kts
max 7 kts
23° C
996 hpa
Saturday, Sep 20
Wind
Weather
01h
6 kts
max 12 kts
22° C
997 hpa
04h
8 kts
max 19 kts
21° C
997 hpa
07h
2 kts
max 4 kts
20° C
997 hpa
10h
6 kts
max 10 kts
0.45 mm
21° C
998 hpa
13h
7 kts
max 12 kts
1.77 mm
24° C
997 hpa
16h
10 kts
max 17 kts
0.61 mm
26° C
995 hpa
19h
7 kts
max 16 kts
0.67 mm
22° C
994 hpa
22h
4 kts
max 7 kts
19° C
994 hpa
Sunday, Sep 21
Wind
Weather
01h
5 kts
max 10 kts
18° C
995 hpa
04h
6 kts
max 15 kts
17° C
994 hpa
07h
5 kts
max 16 kts
16° C
994 hpa
10h
9 kts
max 14 kts
22° C
995 hpa
13h
9 kts
max 12 kts
27° C
994 hpa
16h
7 kts
max 14 kts
25° C
992 hpa
19h
5 kts
max 10 kts
23° C
992 hpa
22h
5 kts
max 14 kts
22° C
992 hpa
Monday, Sep 22
Wind
Weather
01h
4 kts
max 6 kts
18° C
993 hpa
04h
4 kts
max 4 kts
17° C
993 hpa
07h
5 kts
max 6 kts
16° C
993 hpa
10h
5 kts
max 6 kts
20° C
994 hpa
13h
3 kts
max 5 kts
1.52 mm
19° C
994 hpa
16h
4 kts
max 6 kts
2.15 mm
18° C
993 hpa
19h
2 kts
max 4 kts
1.0 mm
17° C
993 hpa
22h
2 kts
max 3 kts
17° C
994 hpa
Tuesday, Sep 23
Wind
Weather
01h
2 kts
max 3 kts
17° C
994 hpa
04h
4 kts
max 6 kts
17° C
994 hpa
07h
4 kts
max 9 kts
3.75 mm
17° C
995 hpa
10h
6 kts
max 10 kts
7.16 mm
16° C
996 hpa
13h
6 kts
max 9 kts
2.47 mm
18° C
996 hpa
16h
7 kts
max 8 kts
20° C
995 hpa
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Additional information
General
This is the wind, wave and weather forecast for Alton in Illinois, United States of America. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing, fishing or paragliding.
Forecast
This forecast is based on the GFS model. Forecasts are available worldwide. The horizontal resolution is about 13 km. Forecasts are computed 4 times a day, at about 12:00 AM, 6:00 AM, 12:00 PM and 6:00 PM Central Daylight Time. Predictions are available in time steps of 3 hours for up to 10 days into the future. The arrows point in the direction in which the wind is blowing.Check the wind forecast for Alton when you search for the best travel destinations for your kiteboarding, windsurfing or sailing vacations in United States of America. Or use our wind forecast to find the wind speed today in Alton or to have a look at the wind direction tomorrow at Alton.
Severe Weather Warnings
When a severe weather warning or advisory is provided by the local meteorological institute, we display it as a banner above the wind forecast.The weather warning, for example a high wind warning, can help you prepare for dangerous weather conditions and avoid weather-related risks. The color scale indicates the intensity of the predicted weather event. For more details click or tap on the warning. General information about severe weather warnings can be found in our help section.
Please be aware that severe weather may occur without a prior severe weather warning being reported.
Units
We use knots and degrees Celsius as our default units. These units are often used by sailors, kiters, surfers, windsurfers and paragliders. Use website settings to switch between units and 7 different languages at any time. For converting between wind speed units such as knots, km/h (kilometers per hour), m/s (meters per second), and mph (miles per hour) use our wind speed calculator.