St. Louis Regional Airport Alton, IL Weather

18:00 Saturday

Partly cloudy

5° Feels like 2°

Last Quarter Illuminated: 49%

Hourly Overcast skies for the next few hours

Today 10 Jan. 90% 1.5 mm 8° / -1° 27 - 53 km/h
Tomorrow 11 Jan. 3° / -4° 26 - 51 km/h
Monday 12 Jan. 10° / -2° 13 - 28 km/h
Tuesday 13 Jan. 12° / 3° 20 - 36 km/h
Wednesday 14 Jan. 50% 0.3 mm 7° / -4° 30 - 57 km/h
Thursday 15 Jan. 40% 0.3 mm 0° / -7° 18 - 43 km/h
Friday 16 Jan. 50% 0.5 mm 4° / -4° 27 - 55 km/h

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

, 10 January

Tomorrow

, 11 January

17:00		5°	Partly cloudy Feels Like 2°	Southwest 14 - 29 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 48% Dew Point -5 °C Clouds 93% Feels Like 2 °C Visibility 45 km Wind - Average 14 km/h Pressure 1020 hPa Fog No Wind - Gusts 29 km/h Snowline 2953 ft
18:00		5°	Partly cloudy Feels Like 2°	Southwest 17 - 29 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 48% Dew Point -5 °C Clouds 93% Feels Like 2 °C Visibility 45 km Wind - Average 17 km/h Pressure 1020 hPa Fog No Wind - Gusts 29 km/h Snowline 3281 ft
19:00		5°	Overcast Feels Like 2°	West 21 - 37 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 46% Dew Point -5 °C Clouds 100% Feels Like 2 °C Visibility 45 km Wind - Average 21 km/h Pressure 1020 hPa Fog No Wind - Gusts 37 km/h Snowline 2953 ft
20:00		5°	Partly cloudy Feels Like 1°	West 27 - 49 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 49% Dew Point -5 °C Clouds 80% Feels Like 1 °C Visibility 45 km Wind - Average 27 km/h Pressure 1021 hPa Fog No Wind - Gusts 49 km/h Snowline 2625 ft
21:00		3°	Partly cloudy Feels Like -1°	Northwest 23 - 49 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 60% Dew Point -4 °C Clouds 88% Feels Like -1 °C Visibility 30 km Wind - Average 23 km/h Pressure 1023 hPa Fog No Wind - Gusts 49 km/h Snowline 1640 ft
22:00		1°	Clear Feels Like -4°	Northwest 25 - 46 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 55% Dew Point -7 °C Clouds 0% Feels Like -4 °C Visibility 40 km Wind - Average 25 km/h Pressure 1024 hPa Fog No Wind - Gusts 46 km/h Snowline 984 ft
23:00		0°	Clear Feels Like -5°	Northwest 21 - 46 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 46% Dew Point -11 °C Clouds 0% Feels Like -5 °C Visibility 45 km Wind - Average 21 km/h Pressure 1025 hPa Fog No Wind - Gusts 46 km/h Snowline 656 ft
24:00		-1°	Clear Feels Like -6°	Northwest 20 - 38 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 46% Dew Point -11 °C Clouds 0% Feels Like -6 °C Visibility 45 km Wind - Average 20 km/h Pressure 1025 hPa Fog No Wind - Gusts 38 km/h Snowline 328 ft

Weather:
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Photoprotection (SPF):
More information

Sunrise and Sunset

Sunrise 07:18 Sunset 16:57

First light 06:49 Midday 12:07 Last light 17:26

Day length 9h 39m

Lunar calendar

Mon	Tue	Wed	Thu	Fri	Sat	Sun
					10	11
12	13	14	15	16	17	18
19	20	21	22	23

Air quality in St. Louis Regional Airport Alton today

Detail

32

Fair O₃ (77 µg/m³)

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

Weather graphs

Maximum Minimum Rainfall