Alton, Illinois
Current Conditions -  °F | °C
As of 2:45 PM on Saturday 23 Aug 2014 (Local Time) from KALN Reporting Station
Scattered Clouds Scattered Clouds  
Wind Chill: 93°   Ceiling: Unl
Heat Index: 113°   Visibility: 10mi
Dew Point: 81°   Wind: 9mph
Humidity: 67%   Direction: 120°ESE
Pressure: 29.92"   Gusts: NA
Location:  38.89°N, 90.18°W
Report Text: KALN 231945Z 12008KT 10SM SCT150 34/27 A2992
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 94° - Lo 73°
3 PM
P Cloudy
P Cloudy
93°
4 PM
Iso T-Storms
Iso T-Storms
94°
5 PM
Iso T-Storms
Iso T-Storms
93°
6 PM
P Cloudy
P Cloudy
93°
7 PM
Sct T-Storms
Sct T-Storms
93°
8 PM
Sct T-Storms
Sct T-Storms
90°
Weather Maps
Daily Forecast -  °F | °C
sat sun mon tue wed thu fri sat sun mon
aug
23
Iso T-Storms
Iso T-Storms
94°
73°
aug
24
Sunny
Sunny
97°
74°
aug
25
Sunny
Sunny
97°
75°
aug
26
Sunny
Sunny
94°
75°
aug
27
M Sunny
M Sunny
92°
73°
aug
28
Sct T-Storms
Sct T-Storms
86°
69°
aug
29
Sct T-Storms
Sct T-Storms
81°
63°
aug
30
T-Storms
T-Storms
82°
64°
aug
31
M Sunny
M Sunny
85°
67°
sep
01
M Sunny
M Sunny
86°
68°
Details for Saturday, August 23
Partly cloudy with isolated thunderstorms possible. Continued hot and humid. High 94F. Winds light and variable. Chance of rain 30%.
Evening: Scattered thunderstorms during the evening. Partly cloudy skies after midnight. Low 73F. Winds light and variable. Chance of rain 40%.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 46%
Cloud Coverage
Sunrise: 6:21 AM
Sunset: 7:44 PM
 
Moonrise: 4:38 AM
Moonset: 6:29 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (306°)
Speed: 6Mph(9Km, 6Kts)
Details for Sunday, August 24
Mainly sunny. High 97F. Winds light and variable.
Evening: Clear skies. Low 74F. Winds ESE at 5 to 10 mph.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 9%
Cloud Coverage
Sunrise: 6:22 AM
Sunset: 7:42 PM
 
Moonrise: 5:33 AM
Moonset: 7:01 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (130°)
Speed: 4Mph(7Km, 5Kts)
Details for Monday, August 25
Sunny. Highs in the upper 90s and lows in the mid 70s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 6:23 AM
Sunset: 7:41 PM
 
Moonrise: 6:29 AM
Moonset: 7:32 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SE
Direction: SE (139°)
Speed: 6Mph(9Km, 6Kts)
Details for Tuesday, August 26
Abundant sunshine. Highs in the mid 90s and lows in the mid 70s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 5%
Cloud Coverage
Sunrise: 6:24 AM
Sunset: 7:39 PM
 
Moonrise: 7:24 AM
Moonset: 8:02 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SE
Direction: SE (140°)
Speed: 6Mph(10Km, 7Kts)
Details for Wednesday, August 27
More sun than clouds. Highs in the low 90s and lows in the low 70s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 15%
Cloud Coverage
Sunrise: 6:25 AM
Sunset: 7:38 PM
 
Moonrise: 8:20 AM
Moonset: 8:32 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (176°)
Speed: 8Mph(12Km, 9Kts)
Details for Thursday, August 28
Scattered thunderstorms. Highs in the mid 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 80%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 37%
Cloud Coverage
Sunrise: 6:26 AM
Sunset: 7:36 PM
 
Moonrise: 9:16 AM
Moonset: 9:02 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSW
Direction: SSW (210°)
Speed: 9Mph(14Km, 10Kts)
Details for Friday, August 29
Scattered thunderstorms. Highs in the low 80s and lows in the low 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 84%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 49%
Cloud Coverage
Sunrise: 6:27 AM
Sunset: 7:35 PM
 
Moonrise: 10:14 AM
Moonset: 9:35 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (276°)
Speed: 9Mph(14Km, 10Kts)
Details for Saturday, August 30
Thunderstorms. Highs in the low 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 79%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 43%
Cloud Coverage
Sunrise: 6:28 AM
Sunset: 7:33 PM
 
Moonrise: 11:11 AM
Moonset: 10:11 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NW
Direction: NW (305°)
Speed: 6Mph(10Km, 7Kts)
Details for Sunday, August 31
More sun than clouds. Highs in the mid 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 75%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 24%
Cloud Coverage
Sunrise: 6:28 AM
Sunset: 7:32 PM
 
Moonrise: 12:11 PM
Moonset: 10:50 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SE
Direction: SE (137°)
Speed: 6Mph(9Km, 6Kts)
Details for Monday, September 01
More sun than clouds. Highs in the mid 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 19%
Cloud Coverage
Sunrise: 6:29 AM
Sunset: 7:30 PM
 
Moonrise: 1:10 PM
Moonset: 11:35 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (175°)
Speed: 8Mph(12Km, 9Kts)
Daily Forecast Chart
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