www.srh.noaa.gov   
NOAA logo - Click to go to the NOAA homepage Weather observations for the past three days NWS logo
Alton / St. Louis Regional
Enter Your "City, ST" or zip code   
en espaņol
D
a
t
e
Time
(cdt)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. Temperature (ºF)Relative
Humidity
PressurePrecipitation (in.)
AirDwpt6 hour altimeter
(in.)
sea level
(mb)
1 hr 3 hr6 hr
Max.Min.
0411:50SE 154.00 Thunderstorm Light RainBKN007 OVC0206866 94%29.93NA
0410:50SE 16 G 232.00 Heavy Rain Fog/MistOVC0096666 100%29.96NA
0409:50S 16 G 232.50 Rain Fog/MistOVC0056666 100%29.97NA
0408:50SE 122.00 Heavy Rain Fog/MistBKN009 BKN025 OVC0606464 100%30.02NA
0407:50SE 152.50 Thunderstorm Rain Fog/Mist ThunderstormBKN032 OVC0656464 100%30.02NA
0406:50SE 92.00 Thunderstorm Rain Fog/MistBKN025 OVC0506666 100%30.03NA
0406:43SE 64.00 Heavy RainSCT037 BKN048 OVC0806765 726795%30.04NA0.140.21
0406:23E 55.00 RainSCT039 BKN050 OVC0906765 93%30.03NA0.06
0406:03E 37.00 RainBKN050 OVC0606765 93%30.03NA0.01
0405:43E 67.00 RainBKN050 BKN070 OVC0806765 93%30.02NA0.04
0405:23E 57.00 RainSCT055 BKN070 OVC0806865 92%30.02NA0.02
0405:03E 510.00 Light RainSCT042 BKN070 OVC0806865 92%30.02NA
0404:43Calm7.00 Light RainSCT035 BKN050 OVC0956865 91%30.02NA0.03
0404:23SE 67.00 RainSCT030 BKN085 OVC0956965 89%30.02NA0.01
0404:03Calm10.00 DrizzleSCT050 SCT070 BKN1006965 86%30.03NA
0403:43Calm10.00Mostly CloudySCT060 BKN090 BKN1207064 81%30.03NA
0403:23Calm10.00Mostly CloudySCT090 BKN1107163 77%30.01NA
0403:03E 510.00Mostly CloudySCT090 BKN1107163 75%30.01NA
0402:43E 510.00Mostly CloudyBKN090 BKN1207163 76%30.01NA
0402:23E 510.00OvercastOVC1007163 75%30.02NA
0402:03E 610.00OvercastOVC1007163 76%30.02NA
0401:43E 510.00Mostly CloudyBKN1007163 76%30.03NA
0401:23E 710.00FairCLR7164 78%30.03NA
0401:03E 710.00Partly CloudySCT0907164 78%30.03NA
0400:43E 610.00Partly CloudySCT0907264 777177%30.06NA
0400:23E 510.00Partly CloudySCT090 SCT1107264 78%30.06NA
0400:03E 510.00Partly CloudySCT1107165 83%30.06NA
0323:43E 310.00FairCLR7165 82%30.07NA
0323:23Calm10.00 Light RainSCT060 SCT075 SCT0957265 81%30.07NA
0323:03Calm10.00FairCLR7265 80%30.07NA
0322:43Calm10.00FairCLR7265 80%30.07NA
0322:25E 610.00FairCLR7266 83%30.06NA
0322:03E 310.00 Light RainSCT1107267 85%30.07NA
0321:50Calm10.00 Light RainSCT110 OVC2007266 83%30.09NA
0321:43Calm10.00 Light RainSCT1107267 83%30.09NA
0321:23Calm10.00 Light DrizzleBKN1207465 75%30.09NA
0321:03Calm10.00Partly CloudySCT1207465 72%30.08NA
0320:51Calm10.00OvercastBKN120 OVC2007564 69%30.07NA
0320:43Calm10.00Partly CloudySCT1207465 71%30.07NA
0320:23Calm10.00Partly CloudySCT1207465 74%30.06NA
0320:03Calm10.00FairCLR7564 69%30.07NA
0319:50Calm10.00OvercastOVC1507563 65%30.07NA
0318:50Calm10.00ClearSKC1507761 57%30.08NA
0317:50Vrbl 610.00OvercastOVC1507961 54%30.08NA
0316:50Calm10.00OvercastOVC2008159 48%30.10NA
0314:55Calm10.00Mostly CloudyBKN2008159 48%30.11NA
0311:50NW 810.00Mostly CloudyFEW036 BKN2507761 57%30.16NA
0309:50Vrbl 510.00Mostly CloudyFEW035 BKN2507361 65%30.16NA
0307:50Calm10.00A Few CloudsFEW2506663 88%30.14NA
0306:50Calm10.00ClearSKC6159 94%30.13NA
0306:43Calm5.00 Fog/MistCLR6059 635798%30.13NA
0306:23Calm4.00 Fog/MistCLR5858 99%30.13NA
0306:03Calm4.00 Fog/MistCLR5757 98%30.12NA
0305:43Calm1.00 Fog/MistVV0075857 98%30.11NA
0305:23Calm4.00 Fog/MistCLR5858 97%30.10NA
0305:03Calm4.00 Fog/MistCLR5858 97%30.10NA
0304:43Calm4.00 Fog/MistCLR5958 97%30.11NA
0304:23Calm4.00 Fog/MistCLR5958 97%30.10NA
0304:03Calm5.00 Fog/MistCLR6059 97%30.10NA
0303:43W 35.00 Fog/MistCLR5958 96%30.10NA
0303:23Calm5.00 Fog/MistCLR6059 97%30.09NA
0303:03Calm5.00 Fog/MistCLR6059 97%30.09NA
0302:43Calm7.00FairCLR5958 96%30.09NA
0302:23Calm7.00FairCLR6159 94%30.09NA
0302:03Calm10.00FairCLR6059 96%30.09NA
0301:43Calm7.00FairCLR6159 95%30.09NA
0301:23Calm10.00FairCLR6260 94%30.09NA
0301:03Calm10.00FairCLR6260 92%30.09NA
0300:43Calm10.00FairCLR6260 786292%30.09NA
0300:23Calm10.00FairCLR6461 92%30.08NA
0300:03Calm10.00FairCLR6461 90%30.08NA
0223:43Calm10.00FairCLR6561 87%30.08NA
0223:23Calm10.00FairCLR6562 89%30.07NA
0223:03Calm10.00FairCLR6662 86%30.06NA
0222:43Calm10.00FairCLR6762 83%30.06NA
0222:23Calm10.00FairCLR6862 80%30.06NA
0222:03Calm10.00FairCLR6962 79%30.05NA
0221:43Calm10.00FairCLR6962 79%30.04NA
0221:23Calm10.00FairCLR7162 74%30.04NA
0221:03Calm10.00FairCLR7162 73%30.03NA
0220:55Calm10.00ClearSKC7261 69%30.03NA
0220:43Calm10.00FairCLR7262 72%30.03NA
0220:23Calm10.00FairCLR7460 62%30.03NA
0220:03N 310.00FairCLR7559 58%30.03NA
0218:55NW 710.00A Few CloudsFEW0507757 51%30.02NA
0216:50NW 810.00Partly CloudySCT0477959 51%30.00NA
0214:50NW 1210.00Mostly CloudyBKN0457961 54%30.01NA
0213:50NW 1210.00Mostly CloudyBKN0407761 57%30.02NA
0212:50NW 1210.00Mostly CloudyBKN0477561 61%30.03NA
0211:50NW 1210.00Mostly CloudyBKN0417561 61%30.03NA
0210:50NW 810.00OvercastBKN041 OVC0507259 65%30.03NA
0209:50NW 910.00Mostly CloudyBKN0417059 69%30.02NA
0208:50W 910.00Mostly CloudyBKN0456861 78%30.02NA
0207:52N 310.00Mostly CloudyBKN0456661 83%29.99NA
0206:50N 510.00A Few CloudsFEW0606361 94%29.97NA
0206:43Calm10.00Partly CloudySCT0606360 656191%29.97NA
0206:23Calm10.00Partly CloudySCT0606260 94%29.97NA
0206:03Calm10.00Partly CloudySCT0466259 92%29.97NA
0205:43NW 310.00Partly CloudySCT046 SCT0656259 92%29.96NA
0205:23Calm10.00Mostly CloudyBKN0656260 92%29.95NA
0205:03NW 310.00OvercastOVC0656260 92%29.95NA
0204:43NW 310.00Mostly CloudyBKN0656160 96%29.94NA
0204:23NW 310.00FairCLR6159 94%29.93NA
0204:03NW 510.00FairCLR6159 94%29.93NA
0203:43NW 310.00FairCLR6160 94%29.93NA
0203:23NW 310.00FairCLR6260 93%29.93NA
0203:03NW 310.00FairCLR6260 93%29.92NA
0202:43W 510.00FairCLR6260 94%29.92NA
0202:23Calm10.00FairCLR6260 93%29.91NA
0202:03NW 310.00Partly CloudySCT0446361 92%29.91NA
0201:43W 310.00Mostly CloudyBKN0446461 92%29.91NA
0201:23W 310.00Mostly CloudyBKN046 BKN0506461 91%29.91NA
0201:03Calm10.00Mostly CloudyBKN0506562 91%29.91NA
0200:43Calm10.00OvercastOVC0506562 746490%29.91NA
0200:23Calm10.00Mostly CloudyBKN0486461 90%29.91NA
0200:03Calm10.00Partly CloudySCT0486561 85%29.91NA
0123:45Calm10.00Partly CloudySCT0506661 84%29.91NA
0123:23Calm10.00Partly CloudySCT0606761 80%29.90NA
0123:03Calm10.00OvercastOVC0606961 76%29.90NA
0122:43Calm10.00OvercastOVC0606960 73%29.89NA
0122:23Calm10.00OvercastOVC0607061 73%29.89NA
0122:03Calm10.00OvercastOVC0607060 71%29.89NA
0121:50N 710.00OvercastOVC0607061 73%29.88NA
0121:43Calm10.00OvercastOVC0607060 71%29.88NA
0121:23Calm10.00Mostly CloudyBKN0607060 72%29.87NA
0121:03N 310.00Partly CloudySCT0507060 72%29.87NA
0120:50Vrbl 610.00Mostly CloudySCT050 BKN0607261 69%29.86NA
0120:43Calm10.00Mostly CloudySCT050 BKN0607161 70%29.86NA
0120:23Calm10.00Mostly CloudyBKN0607161 71%29.86NA
0120:03N 310.00Partly CloudySCT0607261 68%29.85NA
0119:50N 710.00Partly CloudySCT0607261 69%29.85NA
0118:50N 1410.00A Few CloudsFEW0607561 61%29.84NA
0117:50NW 1610.00Mostly CloudyBKN0607561 61%29.83NA
0116:50NW 13 G 2010.00Mostly CloudySCT041 BKN0507961 54%29.83NA
0115:50NW 14 G 2110.00Mostly CloudyBKN0507759 54%29.82NA
0114:50NW 16 G 2310.00Mostly CloudySCT040 BKN0607761 57%29.82NA
0113:50NW 16 G 2310.00Mostly CloudyBKN0407763 61%29.82NA
0112:50NW 16 G 2510.00Mostly CloudyBKN0367761 57%29.83NA
D
a
t
e
Time
(cdt)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. AirDwptMax.Min.Relative
Humidity
altimeter
(in.)
sea level
(mb)
1 hr3 hr6 hr
6 hour
Temperature (ºF)PressurePrecipitation (in.)

National Weather Service
Southern Region Headquarters
Fort Worth, Texas
Disclaimer
Last Modified: June 14, 2005
Privacy Policy
Credits