St. Louis Regional Airport Alton, IL Weather

23:00 Wednesday

Clear

0° Feels like -3°

First Quarter Illuminated: 90%

Hourly Cloudy skies for the next few hours

Today 31 Dec. 6° / -2° 21 - 39 km/h
Tomorrow 1 Jan. 2° / -4° 15 - 27 km/h
Friday 2 Jan. 4° / -5° 10 - 22 km/h
Saturday 3 Jan. 4° / -4° 12 - 25 km/h
Sunday 4 Jan. 5° / -5° 17 - 34 km/h
Monday 5 Jan. 13° / 0° 12 - 27 km/h
Tuesday 6 Jan. 17° / 3° 12 - 30 km/h

Weather Forecast for St. Louis Regional Airport Alton, IL Today

, 31 December

Tomorrow

, 1 January

17:00		2°	Scattered clouds Feels Like 0°	West 8 - 21 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 85% Dew Point 0 °C Clouds 32% Feels Like 0 °C Visibility 35 km Wind - Average 8 km/h Pressure 1015 hPa Fog No Wind - Gusts 21 km/h Snowline 6562 ft
18:00		1°	Scattered clouds Feels Like -1°	Southwest 9 - 15 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 88% Dew Point -1 °C Clouds 17% Feels Like -1 °C Visibility 30 km Wind - Average 9 km/h Pressure 1015 hPa Fog No Wind - Gusts 15 km/h Snowline 6234 ft
19:00		1°	Clear Feels Like -2°	West 11 - 17 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 89% Dew Point -1 °C Clouds 9% Feels Like -2 °C Visibility 30 km Wind - Average 11 km/h Pressure 1015 hPa Fog No Wind - Gusts 17 km/h Snowline 6234 ft
20:00		1°	Clear Feels Like -2°	West 11 - 19 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 89% Dew Point 0 °C Clouds 2% Feels Like -2 °C Visibility 30 km Wind - Average 11 km/h Pressure 1015 hPa Fog No Wind - Gusts 19 km/h Snowline 6234 ft
21:00		1°	Scattered clouds Feels Like -2°	West 10 - 19 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 89% Dew Point -1 °C Clouds 14% Feels Like -2 °C Visibility 30 km Wind - Average 10 km/h Pressure 1015 hPa Fog No Wind - Gusts 19 km/h Snowline 5577 ft
22:00		0°	Scattered clouds Feels Like -2°	West 9 - 17 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 90% Dew Point -1 °C Clouds 15% Feels Like -2 °C Visibility 30 km Wind - Average 9 km/h Pressure 1015 hPa Fog No Wind - Gusts 17 km/h Snowline 4921 ft
23:00		0°	Clear Feels Like -3°	West 8 - 15 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 90% Dew Point -1 °C Clouds 0% Feels Like -3 °C Visibility 30 km Wind - Average 8 km/h Pressure 1015 hPa Fog No Wind - Gusts 15 km/h Snowline 4265 ft
24:00		-1°	Clear Feels Like -3°	West 8 - 14 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 91% Dew Point -2 °C Clouds 0% Feels Like -3 °C Visibility 30 km Wind - Average 8 km/h Pressure 1016 hPa Fog No Wind - Gusts 14 km/h Snowline 6890 ft

Weather:
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Photoprotection (SPF):
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Sunrise and Sunset

Sunrise 07:18 Sunset 16:48

First light 06:48 Midday 12:03 Last light 17:18

Day length 9h 30m

Lunar calendar

Mon	Tue	Wed	Thu	Fri	Sat	Sun
		31	1	2	3	4
5	6	7	8	9	10	11
12	13

Air quality in St. Louis Regional Airport Alton today

Detail

26

Fair PM₂₅ (14 µg/m³)

Little health risk.
Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs

Maximum Minimum Rainfall