Weather for KALN/St Louis Regional

Alton, IL USA

Last Update: 29 Jun 2025 06:55
Temperature (°F)
73
Dewpoint
71
Relative Humidity
92
Wind Direction
Gust
Pressure
29.42
Sky
Clear
Ceiling
Unl
Visibility
10
Heat Index
73
Wind Chill
73
Wind Speed
0
METAR
KALN   290655Z   AUTO   00000KT   10SM   CLR   23/22   A3000   RMK   AO2   T02300217
TAF
*** NO MESSAGES FOUND ***

7 Day Forecast

°F °C
Today
91
70
33
21
Day
Night
Cloudy. Low around 70F. Winds light and variable.
Cloudy. Low 21C. Winds light and variable.
Sunrise: 05:37 AM
Sunset: 08:29 PM
Moonrise: 08:58 AM
Moonset: 11:14 PM
Tomorrow
84
72
29
22
Isolated Thunderstorms
Day
Isolated thunderstorms in the morning, then partly cloudy late. High 84F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
Overcast with a slight chance of showers and thunderstorms, mainly in the morning. Storms may contain strong gusty winds. High 29C. Winds SSW at 10 to 15 km/h. Chance of rain 30%.
Night
Scattered clouds with the possibility of an isolated thunderstorm developing overnight. Storms may contain strong gusty winds. Low 72F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
Partly cloudy skies early. Scattered thunderstorms developing later at night. Storms may contain strong gusty winds. Low 22C. Winds SSW at 10 to 15 km/h. Chance of rain 60%.
Sunrise: 05:37 AM
Sunset: 08:29 PM
Moonrise: 10:05 AM
Moonset: 11:39 PM
Monday
84
67
29
20
AM Showers
Morning showers. Highs in the mid 80s and lows in the upper 60s.
Morning clouds followed by afternoon sun. Highs 28 to 30C and lows 19 to 21C.
05:38 AM
08:29 PM
11:09 AM
Tuesday
87
65
31
18
Sunny
Abundant sunshine. Highs in the upper 80s and lows in the mid 60s.
Sunshine. Highs 30 to 32C and lows 17 to 19C.
05:38 AM
08:29 PM
12:11 PM
12:01 AM
Wednesday
89
67
32
19
Mostly Sunny
Mostly sunny. Highs in the upper 80s and lows in the upper 60s.
A few clouds. Highs 31 to 33C and lows 18 to 20C.
05:39 AM
08:29 PM
01:10 PM
12:22 AM
Thursday
90
70
32
21
Mostly Sunny
Plenty of sun. Highs in the low 90s and lows in the low 70s.
More sun than clouds. Highs 31 to 33C and lows 20 to 22C.
05:39 AM
08:29 PM
02:10 PM
12:42 AM
Friday
91
72
33
22
Partly Cloudy
Times of sun and clouds. Highs in the low 90s and lows in the low 70s.
Times of sun and clouds. Highs 32 to 34C and lows 21 to 23C.
05:40 AM
08:29 PM
03:10 PM
01:04 AM