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
(cst)
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.
0618:52S 2110.00Clear and BreezySKC6345 52%29.95NA
0617:50S 2110.00A Few Clouds and BreezyFEW2006345 52%29.96NA
0616:50S 1810.00A Few CloudsFEW2006343 49%29.96NA
0613:50S 1710.00ClearSKC6843 40%30.02NA
0610:50S 1610.00Partly CloudySCT2506141 48%30.15NA
0609:50S 1710.00Mostly CloudyFEW050 BKN2505739 51%30.17NA
0608:50S 15 G 2110.00Mostly CloudyBKN0505437 54%30.20NA
0607:50S 1710.00Partly CloudySCT0605037 62%30.21NA
0606:50S 1310.00Partly CloudyFEW100 SCT2504536 71%30.22NA
0605:45Calm10.00Partly CloudySCT0604837 494465%30.23NA
0605:25Calm10.00Mostly CloudyBKN0604737 67%30.23NA
0605:05Calm10.00OvercastOVC0604937 64%30.24NA
0604:45Calm10.00OvercastOVC0704936 61%30.24NA
0604:25Calm10.00OvercastOVC0704937 62%30.25NA
0604:05Calm10.00OvercastOVC0704937 62%30.25NA
0603:45Calm10.00OvercastSCT060 OVC0704937 63%30.26NA
0603:25Calm10.00OvercastBKN065 OVC0704837 65%30.26NA
0603:05Calm10.00OvercastOVC0654737 66%30.26NA
0602:45Calm10.00OvercastOVC0654637 69%30.26NA
0602:25Calm10.00OvercastOVC0654636 68%30.27NA
0602:05Calm10.00Mostly CloudyBKN0654536 72%30.27NA
0601:45Calm10.00Partly CloudySCT0654436 72%30.28NA
0601:25Calm10.00Mostly CloudyBKN0654637 71%30.28NA
0601:05Calm10.00OvercastOVC0654737 69%30.27NA
0600:45Calm10.00OvercastOVC0654738 71%30.28NA
0600:25Calm10.00Mostly CloudyBKN0654638 72%30.28NA
0600:05Calm10.00Mostly CloudyBKN0654537 73%30.28NA
0523:45Calm10.00OvercastOVC0654637 474171%30.29NA
0523:25Calm10.00Mostly CloudyBKN0654436 74%30.29NA
0523:05Calm10.00Partly CloudySCT0654635 65%30.29NA
0522:45Calm10.00Partly CloudySCT0654535 69%30.29NA
0522:25Calm10.00Mostly CloudySCT065 BKN0754535 70%30.29NA
0522:05Calm10.00Partly CloudySCT0754536 70%30.30NA
0521:45Calm10.00Partly CloudySCT065 SCT0754537 71%30.30NA
0521:25Calm10.00Mostly CloudyBKN0754638 73%30.30NA
0521:05Calm10.00OvercastOVC0754640 80%30.30NA
0520:45Calm10.00OvercastOVC0754638 72%30.30NA
0520:25Calm10.00OvercastOVC0654639 79%30.31NA
0520:05Calm10.00Mostly CloudyBKN0654436 71%30.31NA
0519:50Calm10.00ClearSKC4534 66%30.30NA
0519:45Calm10.00Partly CloudySCT0654333 67%30.31NA
0519:25Calm10.00FairCLR4333 69%30.30NA
0519:05Calm10.00FairCLR4433 65%30.30NA
0516:55Vrbl 510.00ClearSKC5430 41%30.31NA
0513:50Calm10.00ClearSKC5532 41%30.36NA
0512:50SW 910.00ClearSKC5534 44%30.39NA
0511:50SW 810.00ClearSKC5234 50%30.42NA
0510:50SW 710.00ClearSKC5036 58%30.45NA
0509:50SW 710.00ClearSKC4837 66%30.46NA
0508:55SW 710.00ClearSKC4639 76%30.46NA
0507:50Calm7.00ClearSKC3636 100%30.45NA
0506:50Calm6.00 Fog/MistSKC3232 100%30.44NA
0505:45Calm7.00FairCLR3534 423496%30.43NA
0505:25Calm7.00FairCLR3534 95%30.43NA
0505:05Calm7.00FairCLR3433 95%30.43NA
0504:45Calm7.00FairCLR3433 94%30.43NA
0504:25Calm10.00FairCLR3432 91%30.43NA
0504:05Calm10.00FairCLR3533 91%30.42NA
0503:45Calm10.00FairCLR3533 91%30.42NA
0503:25Calm10.00FairCLR3532 91%30.42NA
0503:05Calm10.00FairCLR3533 91%30.42NA
0502:45Calm10.00FairCLR3532 91%30.41NA
0502:25Calm10.00FairCLR3533 91%30.41NA
0502:05Calm10.00FairCLR3633 90%30.40NA
0501:45Calm10.00FairCLR3432 92%30.40NA
0501:25Calm10.00FairCLR3432 92%30.39NA
0501:05Calm10.00FairCLR3834 86%30.39NA
0500:45Calm10.00FairCLR3835 86%30.38NA
0500:25Calm10.00FairCLR4035 82%30.38NA
0500:05Calm10.00FairCLR4135 78%30.38NA
0423:45Calm10.00FairCLR4235 554276%30.38NA
0423:25Calm10.00FairCLR4334 72%30.38NA
0423:05Calm10.00FairCLR4434 69%30.38NA
0422:45Calm10.00FairCLR4435 69%30.38NA
0422:25Calm10.00FairCLR4536 69%30.37NA
0422:05Calm10.00FairCLR4636 67%30.36NA
0421:46N 17NAClearSKC4636 66%30.36NA
0421:45Calm10.00FairCLR4735 64%30.36NA
0421:25Calm10.00FairCLR4835 61%30.35NA
0421:05Calm10.00FairCLR4834 58%30.35NA
0420:54N 1210.00ClearSKC5034 54%30.35NA
0420:45Calm10.00FairCLR5034 55%30.34NA
0420:25Calm10.00FairCLR5034 53%30.33NA
0420:05Calm10.00FairCLR5133 51%30.32NA
0419:50NW 1210.00ClearSKC4834 58%30.31NA
0419:45Calm10.00FairCLR4933 55%30.31NA
0419:25Calm10.00FairCLR5034 54%30.31NA
0419:05Calm10.00FairCLR5133 51%30.30NA
0418:50NW 1410.00ClearSKC5034 54%30.29NA
0417:52NW 1410.00ClearSKC5532 41%30.28NA
0416:50W 1410.00ClearSKC5736 44%30.24NA
0415:50W 1610.00ClearSKC5934 39%30.22NA
0414:50NW 2010.00ClearSKC6134 36%30.20NA
0413:50NW 1810.00ClearSKC6332 32%30.19NA
0411:50W 1210.00ClearSKC6330 30%30.18NA
0410:50W 1410.00ClearSKC5936 42%30.19NA
0409:50W 1410.00ClearSKC5539 55%30.19NA
0408:50W 1510.00ClearSKC52NA NA30.19NA
0407:50SW 1310.00A Few CloudsFEW1104836 62%30.17NA
0406:50S 810.00A Few CloudsFEW0504132 70%30.18NA
0405:45Calm10.00OvercastBKN070 OVC0804434 454368%30.18NA
0405:25Calm10.00OvercastSCT080 OVC0854436 73%30.18NA
0405:05Calm10.00OvercastOVC0804435 71%30.18NA
0404:45Calm10.00OvercastOVC0804434 67%30.18NA
0404:25Calm10.00OvercastOVC0804432 63%30.18NA
0404:05Calm10.00Mostly CloudyBKN0904432 63%30.17NA
0403:45Calm10.00OvercastSCT065 OVC0904432 63%30.17NA
0403:25Calm10.00OvercastOVC0654532 62%30.17NA
0403:05Calm10.00OvercastOVC0654434 69%30.19NA
0402:45Calm10.00OvercastOVC0654435 71%30.21NA
0402:25Calm10.00OvercastOVC0654435 70%30.21NA
0402:05Calm10.00OvercastOVC0654435 72%30.23NA
0401:45Calm10.00 Light DrizzleOVC0654436 74%30.23NA
0401:25Calm10.00OvercastOVC0654436 74%30.25NA
0401:05Calm10.00 Light RainSCT065 BKN070 OVC0804436 75%30.25NA
0400:45Calm10.00 Light RainSCT065 OVC0754437 76%30.25NA
0400:25Calm10.00 RainSCT075 OVC0804437 78%30.25NA
0400:05Calm10.00OvercastBKN075 OVC0904434 69%30.26NA
0323:45Calm10.00OvercastSCT065 OVC0904432 464063%30.25NA
0323:25Calm10.00 Light RainBKN065 OVC0804530 58%30.26NA
0323:05Calm10.00 Light RainSCT065 OVC0904528 53%30.26NA
0322:45Calm7.00OvercastSCT065 OVC0904531 60%30.26NA
0322:25Calm10.00OvercastOVC0904527 49%30.26NA
0322:05Calm10.00OvercastOVC0904330 59%30.26NA
0321:55SE 610.00OvercastOVC1004330 61%30.26NA
0321:45Calm10.00OvercastOVC1004428 53%30.26NA
0321:25Calm10.00OvercastOVC1004329 57%30.26NA
0321:05Calm10.00Mostly CloudyBKN1104132 70%30.26NA
0320:50Calm10.00Mostly CloudyBKN1204132 70%30.27NA
0320:45Calm10.00Partly CloudySCT1204228 60%30.27NA
0320:25Calm10.00FairCLR4030 68%30.27NA
0320:05Calm10.00FairCLR4130 65%30.27NA
0319:58E 610.00ClearSKC3930 70%30.27NA
0319:45Calm10.00FairCLR4133 72%30.27NA
0319:25Calm10.00Partly CloudySCT1204232 66%30.27NA
0319:05Calm7.00FairCLR4329 59%30.28NA
D
a
t
e
Time
(cst)
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