St. Louis Regional Airport Alton, IL - Extended Weather Forecast

11:08 Sunday

Overcast

13° Feels like 13°

Southeast 12 - 26 km/h

Hourly Overcast skies for the next few hours

Sunday 4 May 25° / 12° 19 - 42 km/h
Monday 5 May 28° / 15° 14 - 32 km/h
Tuesday 6 May 30° / 17° 9 - 23 km/h
Wednesday 7 May 29° / 17° 8 - 19 km/h
Thursday 8 May 26° / 18° 15 - 31 km/h
Friday 9 May 27° / 17° 17 - 53 km/h
Saturday 10 May 22° / 15° 25 - 52 km/h

Sunday, 4 May

Monday, 5 May

01:00		15°	Clear Feels Like 15°	Southeast 9 - 20 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 73% Dew Point 10 °C Clouds 0% Feels Like 15 °C Visibility 30 km Wind - Average 9 km/h Pressure 1019 hPa Fog No Wind - Gusts 20 km/h Snowline 12467 ft
04:00		13°	Scattered clouds Feels Like 13°	Southeast 9 - 18 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 80% Dew Point 10 °C Clouds 25% Feels Like 13 °C Visibility 30 km Wind - Average 9 km/h Pressure 1019 hPa Fog No Wind - Gusts 18 km/h Snowline 12139 ft
07:00		14°	Scattered clouds Feels Like 14°	Southeast 11 - 18 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 82% Dew Point 10 °C Clouds 49% Feels Like 14 °C Visibility 25 km Wind - Average 11 km/h Pressure 1020 hPa Fog No Wind - Gusts 18 km/h Snowline 12139 ft
10:00		19°	Scattered clouds Feels Like 19°	Southeast 15 - 28 km/h	5 Moderate SPF: 6-10
	Rain 0% 0 mm Humidity 64% Dew Point 12 °C Clouds 25% Feels Like 19 °C Visibility 30 km Wind - Average 15 km/h Pressure 1019 hPa Fog No Wind - Gusts 28 km/h Snowline 12467 ft
13:00		24°	Sunny Feels Like 25°	South 19 - 39 km/h	9 Very High! SPF: 25-50
	Rain 0% 0 mm Humidity 52% Dew Point 13 °C Clouds 0% Feels Like 25 °C Visibility 35 km Wind - Average 19 km/h Pressure 1019 hPa Fog No Wind - Gusts 39 km/h Snowline 12467 ft
16:00		24°	Sunny Feels Like 25°	South 16 - 42 km/h	5 Moderate SPF: 6-10
	Rain 10% 0 mm Humidity 56% Dew Point 15 °C Clouds 7% Feels Like 25 °C Visibility 35 km Wind - Average 16 km/h Pressure 1018 hPa Fog No Wind - Gusts 42 km/h Snowline 12467 ft
19:00		22°	Scattered clouds Feels Like 22°	Southeast 12 - 41 km/h	0 Low SPF: no
	Rain 10% 0 mm Humidity 66% Dew Point 15 °C Clouds 14% Feels Like 22 °C Visibility 30 km Wind - Average 12 km/h Pressure 1017 hPa Fog No Wind - Gusts 41 km/h Snowline 12467 ft
22:00		20°	Scattered clouds Feels Like 20°	Southeast 11 - 33 km/h	0 Low SPF: no
	Rain 10% 0 mm Humidity 74% Dew Point 15 °C Clouds 20% Feels Like 20 °C Visibility 30 km Wind - Average 11 km/h Pressure 1018 hPa Fog No Wind - Gusts 33 km/h Snowline 12467 ft

Weather:
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Photoprotection (SPF):
More information

Sunrise and Sunset

Sunrise 06:06 Sunset 19:49

First light 05:38 Midday 12:57 Last light 20:17

Day length 13h 42m

Remaining daylight 9h 10m

Lunar calendar

Mon	Tue	Wed	Thu	Fri	Sat	Sun
						27
28	29	30	1	2	3	4
5	6	7	8	9	10

Air quality in St. Louis Regional Airport Alton today

Detail

42

Moderate O₃ (105 µg/m³)

Possible health risk.
Enjoy your usual outdoor activities if you do not experience symptoms.
Sensitive people should limit prolonged or intense outdoor activities.

Weather graphs

Maximum Minimum Rainfall