Weather in Alton/St. Louis, Illinois

Current Conditions (Sunday, December 22, 2024 at 12:50 America/Chicago time)

Temperature: 5°C Skies: clear Humidity: 52% Wind: From the S at 21 km/h Pressure: 1026 Dew Point: -4°C

Forecast Overview

Sunny skies. Wind: 24 km/h.

Time	Skies	Conditions	Temp	Wind	Humidity	Soil Moisture
12:00 15:00		Sunny.	5°C	21 km/h	56%	0.316%
15:00 18:00		Clear.	1°C	21 km/h	70%	0.315%
18:00 21:00		Mostly clear, with a few passing clouds.	0°C	24 km/h	74%	0.314%
21:00 00:00		Clear.	0°C	22 km/h	75%	0.314%

Low around -0°C, high around 6°C. Chance of light rain late at night (after 9 pm). Estimated precipitation: 0.625 mm. Overcast skies. Wind: 21 km/h.

Time	Skies	Conditions	Temp	Wind	Humidity	Soil Moisture
00:00 03:00		Times of clear skies and clouds.	0°C	20 km/h	76%	0.313%
03:00 06:00		Overcast.	1°C	21 km/h	78%	0.312%
06:00 09:00		Overcast.	3°C	20 km/h	74%	0.311%
09:00 12:00		Overcast.	5°C	16 km/h	71%	0.307%
12:00 15:00		Overcast.	6°C	18 km/h	75%	0.305%
15:00 18:00		Overcast.	5°C	16 km/h	77%	0.303%
18:00 21:00		Overcast.	5°C	10 km/h	87%	0.303%
21:00 00:00		Chance of light rain. Precipitation: 0.625 mm.	5°C	9 km/h	94%	0.308%

Low around 5°C, high around 6°C. Chance of rain most of the night and day, except late afternoon (from 3 pm to 6 pm). Estimated precipitation: 16 mm. Overcast skies. Wind: 18 km/h.

Time	Skies	Conditions	Temp	Wind	Humidity	Soil Moisture
00:00 03:00		Chance of rain. Precipitation: 1.0625 mm.	5°C	9 km/h	98%	0.312%
03:00 06:00		Chance of rain. Precipitation: 2.625 mm.	5°C	6 km/h	99%	0.328%
06:00 09:00		Chance of rain. Precipitation: 1.0625 mm.	5°C	9 km/h	99%	0.325%
09:00 12:00		Chance of rain. Precipitation: 2.5625 mm.	6°C	12 km/h	98%	0.337%
12:00 15:00		Chance of rain. Precipitation: 3.8125 mm.	5°C	17 km/h	96%	0.347%
15:00 18:00		Overcast. Precipitation: 1.125 mm.	6°C	18 km/h	95%	0.337%
18:00 21:00		Chance of rain. Precipitation: 1.3125 mm.	6°C	18 km/h	94%	0.337%
21:00 00:00		Chance of rain. Precipitation: 2.4375 mm.	6°C	16 km/h	96%	0.348%

Low around 6°C, high around 8°C. Chance of rain all night and all morning (until 12 pm), in the evening and again at night (after 6 pm). Estimated precipitation: 12.6875 mm. Overcast skies. Wind: 17 km/h.

Low around 8°C, high around 12°C. Chance of light rain before sunrise (between 3 am and 6 am). Estimated precipitation: 0.125 mm. Overcast skies. Wind: 28 km/h.

Low around 11°C, high around 13°C. Chance of light rain before sunrise (between 3 am and 6 am). Estimated precipitation: 1.3125 mm. Overcast skies. Wind: 32 km/h.

Low around 12°C, high around 13°C. Chance of rain from 9 am to 6 pm. The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 9.5 mm. Overcast skies. Wind: 15 km/h.

Low around 6°C, high around 12°C. Chance of light rain between midnight and 3 am. Estimated precipitation: 0.25 mm. More sun than clouds. Wind: 21 km/h.

Weather Station: Alton/St. Louis, St. Louis Regional Airport (latitude 38-54N, longitude 090-03W)

Local Time:

Alton/St. Louis is in the "America/Chicago" timezone.

The "America/Chicago" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in ST (since Sunday, 3 November 2024, 01:00 AM local time). During ST, the timezone abbreviation is CST and the offset to Universal Time (UTC, GMT or Zulu) is -6:00 hours.

Alton/St. Louis will exit standard time (entering DST) on Sunday, 9 March 2025, at 02:00 AM local time, when clocks will be turned forward 1 hour to Sunday, 9 March 2025, 03:00 AM local daylight time. During DST, the timezone abbreviation is CDT and the offset to UTC will be -5:00 hours.

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