Extended Forecast
Alton, Illinois
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Current Conditions -  °F | °C
As of 5:55 PM on Saturday 25 May 2013 (Local Time) from KALN Reporting Station
Overcast Overcast   Feels Like: 66°
Wind Chill: 66°   Ceiling: 9000
Heat Index: 66°   Visibility: 10mi
Dew Point: 48°   Wind: 14mph
Humidity: 52%   Direction: 170° (S)
Pressure: 30.17"   Gusts: NA
Report Text: KALN 252255Z 17012KT 10SM OVC090 19/09 A3017
7 PM
M Cloudy
M Cloudy 71°
8 PM
M Cloudy
M Cloudy 70°
9 PM
M Cloudy
M Cloudy 68°
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10 Day Forecast -  °F | °C
Saturday, May 25
T-Storms
Thunderstorms Late
74°
59°
View Detailed Hourly »
SunriseRise: 5:41 AM Set: 8:15 PM SunsetRise: 9:03 PM Set: 6:07 AM
Day: NA
Night: Mostly cloudy this evening with thunderstorms developing after midnight. Low 59F. Winds SE at 10 to 15 mph. Chance of rain 80%.
UVUV Index: 9 (Very High)
Relative HumidityRelative Humidity: 69%
PrecipitationPrecipitation: 80%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 66%
Moon PhaseMoon Phase: Waning Gibbous
Wind Speed: 11Mph (17Km, 9Kts)
Wind Direction: 124° (SE)
Sunday, May 26
T-Storms
Thunderstorms
81°
66°
View Detailed Hourly »
SunriseRise: 5:40 AM Set: 8:16 PM SunsetRise: 10:03 PM Set: 7:09 AM
Day: Thunderstorms likely in the morning. Then the chance of scattered thunderstorms in the afternoon. High 81F. Winds SE at 10 to 15 mph. Chance of rain 80%.
Night: Variably cloudy with scattered thunderstorms. Low 66F. Winds SSE at 5 to 10 mph. Chance of rain 40%.
UVUV Index: 8 (Very High)
Relative HumidityRelative Humidity: 63%
PrecipitationPrecipitation: 80%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 59%
Moon PhaseMoon Phase: Waning Gibbous
Wind Speed: 11Mph (18Km, 9Kts)
Wind Direction: 143° (SE)
Monday, May 27
Sct T-Storms
Scattered Thunderstorms
81°
68°
SunriseRise: 5:40 AM Set: 8:16 PM SunsetRise: 10:56 PM Set: 8:16 AM
A few thunderstorms possible. Highs in the low 80s and lows in the upper 60s.
UVUV Index: 7 (High)
Relative HumidityRelative Humidity: 68%
PrecipitationPrecipitation: 40%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 71%
Moon PhaseMoon Phase: Waning Gibbous
Wind Speed: 15Mph (24Km, 13Kts)
Wind Direction: 176° (S)
Tuesday, May 28
P Cloudy
Partly Cloudy
86°
67°
SunriseRise: 5:39 AM Set: 8:17 PM SunsetRise: 11:42 PM Set: 9:26 AM
Mix of sun and clouds. Highs in the mid 80s and lows in the upper 60s.
UVUV Index: 9 (Very High)
Relative HumidityRelative Humidity: 60%
PrecipitationPrecipitation: 20%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 43%
Moon PhaseMoon Phase: Waning Gibbous
Wind Speed: 15Mph (24Km, 13Kts)
Wind Direction: 178° (S)
Wednesday, May 29
P Cloudy
Partly Cloudy
85°
70°
SunriseRise: 5:38 AM Set: 8:18 PM SunsetRise: 11:59 PM Set: 10:36 AM
Times of sun and clouds. Highs in the mid 80s and lows in the low 70s.
UVUV Index: 8 (Very High)
Relative HumidityRelative Humidity: 57%
PrecipitationPrecipitation: 0%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 61%
Moon PhaseMoon Phase: Waning Gibbous
Wind Speed: 14Mph (23Km, 12Kts)
Wind Direction: 189° (S)
Thursday, May 30
M Sunny
Mostly Sunny
82°
72°
SunriseRise: 5:38 AM Set: 8:19 PM SunsetRise: 12:22 AM Set: 11:44 AM
More sun than clouds. Highs in the low 80s and lows in the low 70s.
UVUV Index: 9 (Very High)
Relative HumidityRelative Humidity: 63%
PrecipitationPrecipitation: 10%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 16%
Moon PhaseMoon Phase: Waning Gibbous
Wind Speed: 14Mph (23Km, 12Kts)
Wind Direction: 178° (S)
Friday, May 31
Sct T-Storms
Scattered Thunderstorms
86°
70°
SunriseRise: 5:38 AM Set: 8:19 PM SunsetRise: 12:57 AM Set: 12:50 PM
A few thunderstorms possible. Highs in the mid 80s and lows in the low 70s.
UVUV Index: 9 (Very High)
Relative HumidityRelative Humidity: 62%
PrecipitationPrecipitation: 40%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 35%
Moon PhaseMoon Phase: Waning Gibbous
Wind Speed: 14Mph (23Km, 12Kts)
Wind Direction: 182° (S)
Saturday, June 01
Sct T-Storms
Scattered Thunderstorms
82°
69°
SunriseRise: 5:37 AM Set: 8:20 PM SunsetRise: 1:29 AM Set: 1:53 PM
Scattered thunderstorms possible. Highs in the low 80s and lows in the upper 60s.
UVUV Index: 8 (Very High)
Relative HumidityRelative Humidity: 66%
PrecipitationPrecipitation: 40%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 67%
Moon PhaseMoon Phase: Last Quarter
Wind Speed: 12Mph (20Km, 10Kts)
Wind Direction: 204° (SSW)
Sunday, June 02
Cloudy
Cloudy
82°
65°
SunriseRise: 5:37 AM Set: 8:21 PM SunsetRise: 2:01 AM Set: 2:54 PM
Cloudy. Highs in the low 80s and lows in the mid 60s.
UVUV Index: 6 (High)
Relative HumidityRelative Humidity: 66%
PrecipitationPrecipitation: 60%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 82%
Moon PhaseMoon Phase: Waning Crescent
Wind Speed: 11Mph (18Km, 9Kts)
Wind Direction: 239° (WSW)
Monday, June 03
P Cloudy
Partly Cloudy
74°
62°
SunriseRise: 5:36 AM Set: 8:21 PM SunsetRise: 2:32 AM Set: 3:54 PM
Times of sun and clouds. Highs in the mid 70s and lows in the low 60s.
UVUV Index: 9 (Very High)
Relative HumidityRelative Humidity: 68%
PrecipitationPrecipitation: 10%
Snow ProbabilitySnow Probability: 0%
Cloud CoverageCloud Coverage: 42%
Moon PhaseMoon Phase: Waning Crescent
Wind Speed: 11Mph (18Km, 9Kts)
Wind Direction: 60° (ENE)
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