Weather for KALN/St Louis Regional

Alton, IL USA

Last Update: 17 Sep 2025 01:50
Temperature (°F)
75
Dewpoint
57
Relative Humidity
53
Wind Direction
30
Gust
Pressure
29.51
Sky
Clear
Ceiling
Unl
Visibility
10
Heat Index
75
Wind Chill
75
Wind Speed
6
METAR
METAR   KALN   170150Z   03005KT   10SM   CLR   24/14   A3009
TAF
*** NO MESSAGES FOUND ***

7 Day Forecast

°F °C
Today
92
58
33
14
Day
Night
Clear skies. Low 58F. Winds light and variable.
Clear skies. Low 14C. Winds light and variable.
Sunrise: 06:43 AM
Sunset: 07:06 PM
Moonrise: 12:57 AM
Moonset: 04:38 PM
Tomorrow
90
57
32
14
Sunny
Day
Mainly sunny. Very warm. High around 90F. Winds NE at 5 to 10 mph.
Sunny. Very warm. High 32C. Winds light and variable.
Night
A mostly clear sky. Low 57F. Winds light and variable.
A mostly clear sky. Low 14C. Winds light and variable.
Sunrise: 06:43 AM
Sunset: 07:04 PM
Moonrise: 02:08 AM
Moonset: 05:14 PM
Thursday
92
62
33
17
Mostly Sunny
Plenty of sun. Highs in the low 90s and lows in the low 60s.
A few clouds. Highs 32 to 34C and lows 16 to 18C.
06:44 AM
07:02 PM
03:18 AM
05:44 PM
Friday
84
62
29
16
Partly Cloudy
Mix of sun and clouds. Highs in the mid 80s and lows in the low 60s.
Mix of sun and clouds. Highs 28 to 30C and lows 15 to 17C.
06:45 AM
07:01 PM
04:26 AM
06:09 PM
Saturday
84
63
29
17
Partly Cloudy
Mix of sun and clouds. Highs in the mid 80s and lows in the low 60s.
Mix of sun and clouds. Highs 28 to 30C and lows 16 to 18C.
06:46 AM
06:59 PM
05:30 AM
06:31 PM
Sunday
79
63
26
17
Scattered Thunderstorms
Scattered thunderstorms. Highs in the upper 70s and lows in the low 60s.
Scattered thunderstorms. Highs 25 to 27C and lows 16 to 18C.
06:47 AM
06:58 PM
06:33 AM
06:52 PM
Monday
83
62
28
17
Mostly Cloudy
Mostly cloudy. Highs in the low 80s and lows in the low 60s.
Mostly cloudy. Highs 27 to 29C and lows 16 to 18C.
06:48 AM
06:56 PM
07:34 AM
07:12 PM