St. Louis Regional Airport Alton, IL Weather

20:00 Tuesday

Clear

-1° Feels like -5°

First Quarter Illuminated: 81%

Hourly Clear skies for the next few hours

Today 30 Dec. 1° / -9° 16 - 34 km/h
Tomorrow 31 Dec. 6° / -3° 20 - 39 km/h
Thursday 1 Jan. 1° / -6° 13 - 24 km/h
Friday 2 Jan. 5° / -4° 11 - 24 km/h
Saturday 3 Jan. 3° / -3° 10 - 20 km/h
Sunday 4 Jan. 4° / -5° 14 - 25 km/h
Monday 5 Jan. 13° / 0° 15 - 27 km/h

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

, 30 December

Tomorrow

, 31 December

17:00		-2°	Sunny Feels Like -5°	Southwest 8 - 19 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 47% Dew Point -12 °C Clouds 9% Feels Like -5 °C Visibility 45 km Wind - Average 8 km/h Pressure 1023 hPa Fog No Wind - Gusts 19 km/h Snowline 0 ft
18:00		-2°	Clear Feels Like -5°	Southwest 11 - 18 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 48% Dew Point -11 °C Clouds 0% Feels Like -5 °C Visibility 45 km Wind - Average 11 km/h Pressure 1022 hPa Fog No Wind - Gusts 18 km/h Snowline 0 ft
19:00		-2°	Clear Feels Like -5°	Southwest 11 - 20 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 47% Dew Point -12 °C Clouds 5% Feels Like -5 °C Visibility 45 km Wind - Average 11 km/h Pressure 1022 hPa Fog No Wind - Gusts 20 km/h Snowline 0 ft
20:00		-2°	Clear Feels Like -5°	Southwest 11 - 19 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 47% Dew Point -12 °C Clouds 0% Feels Like -5 °C Visibility 45 km Wind - Average 11 km/h Pressure 1022 hPa Fog No Wind - Gusts 19 km/h Snowline 0 ft
21:00		-1°	Clear Feels Like -5°	Southwest 13 - 22 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 46% Dew Point -12 °C Clouds 0% Feels Like -5 °C Visibility 45 km Wind - Average 13 km/h Pressure 1021 hPa Fog No Wind - Gusts 22 km/h Snowline 0 ft
22:00		-1°	Clear Feels Like -5°	West 14 - 25 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 45% Dew Point -12 °C Clouds 2% Feels Like -5 °C Visibility 45 km Wind - Average 14 km/h Pressure 1020 hPa Fog No Wind - Gusts 25 km/h Snowline 984 ft
23:00		-1°	Clear Feels Like -5°	West 14 - 25 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 45% Dew Point -12 °C Clouds 1% Feels Like -5 °C Visibility 45 km Wind - Average 14 km/h Pressure 1020 hPa Fog No Wind - Gusts 25 km/h Snowline 3281 ft
24:00		-1°	Clear Feels Like -5°	West 15 - 26 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 46% Dew Point -11 °C Clouds 5% Feels Like -5 °C Visibility 45 km Wind - Average 15 km/h Pressure 1019 hPa Fog No Wind - Gusts 26 km/h Snowline 3937 ft

Weather:
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Photoprotection (SPF):
More information

Sunrise and Sunset

Sunrise 07:18 Sunset 16:47

First light 06:48 Midday 12:02 Last light 17:17

Day length 9h 29m

Lunar calendar

Mon	Tue	Wed	Thu	Fri	Sat	Sun
	30	31	1	2	3	4
5	6	7	8	9	10	11
12

Air quality in St. Louis Regional Airport Alton today

Detail

28

Fair O₃ (67 µg/m³)

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

Weather graphs

Maximum Minimum Rainfall