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Alton / St. Louis Regional
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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.
2421:50S 710.00ClearSKC4328 57%29.72NA
2421:35S 910.00Partly CloudySCT1204329 57%29.73NA
2421:15S 710.00FairCLR4429 55%29.73NA
2420:50SW 710.00ClearSKC4528 53%29.74NA
2419:50SW 910.00ClearSKC4627 46%29.76NA
2418:50SW 910.00ClearSKC4527 49%29.75NA
2417:50SW 910.00ClearSKC4527 49%29.77NA
2416:45SW 910.00ClearSKC4828 46%29.76NA
2415:45SW 1210.00ClearSKC5228 41%29.76NA
2414:45SW 1410.00ClearSKC5228 41%29.77NA
2411:55SW 1510.00ClearSKC4330 61%29.86NA
2410:50W 1210.00ClearSKC3928 65%29.89NA
2409:48W 1210.00ClearSKC3728 70%29.90NA
2408:48W 1210.00ClearSKC3427 75%29.89NA
2407:48W 1310.00ClearSKC3025 80%29.88NA
2406:48W 1410.00ClearSKC3025 80%29.87NA
2405:35W 1010.00FairCLR3025 81%29.86NA
2405:15W 810.00FairCLR2824 83%29.86NA
2404:55W 810.00FairCLR2924 80%29.86NA
2404:35W 910.00FairCLR2924 80%29.86NA
2404:15W 810.00FairCLR2824 83%29.86NA
2403:55SW 710.00Partly CloudySCT0952924 81%29.86NA
2403:35SW 810.00Partly CloudySCT070 SCT0952924 81%29.86NA
2403:15SW 710.00Partly CloudySCT0702823 83%29.87NA
2402:55SW 610.00FairCLR2823 83%29.88NA
2402:35SW 710.00FairCLR2824 83%29.88NA
2402:15SW 610.00FairCLR2823 83%29.90NA
2401:55SW 510.00FairCLR2824 82%29.90NA
2401:35SW 510.00FairCLR2824 85%29.91NA
2401:15SW 510.00FairCLR2724 86%29.93NA
2400:55SW 510.00FairCLR2824 83%29.93NA
2400:35SW 510.00FairCLR2925 85%29.93NA
2400:15S 310.00FairCLR2724 90%29.95NA
2323:55S 310.00FairCLR2724 332689%29.96NA
2323:35S 37.00FairCLR2624 92%29.97NA
2323:15S 310.00FairCLR2723 86%29.97NA
2322:55SW 510.00FairCLR2824 85%29.98NA
2322:35SW 510.00FairCLR2925 83%29.99NA
2322:15SW 510.00FairCLR2925 85%29.99NA
2321:55SW 710.00FairCLR2826 90%30.00NA
2321:45SW 610.00ClearSKC2725 93%30.00NA
2321:35SW 37.00FairCLR2725 93%30.00NA
2321:15Calm10.00FairCLR2825 92%30.00NA
2320:45Calm7.00ClearSKC2825 86%30.01NA
2319:45Calm10.00ClearSKC2825 86%30.01NA
2318:45W 310.00A Few CloudsFEW2003025 80%30.02NA
2317:45W 310.00A Few CloudsFEW2503025 80%30.04NA
2316:50W 710.00A Few CloudsFEW2503425 70%30.06NA
2315:47W 710.00ClearSKC3723 56%30.08NA
2314:48W 910.00Partly CloudySCT0253725 60%30.09NA
2313:45W 910.00Partly CloudySCT0253625 65%30.10NA
2312:50W 1210.00Mostly CloudyBKN0253625 65%30.13NA
2311:45W 610.00OvercastOVC0233425 70%30.19NA
2310:50W 610.00OvercastOVC0253427 75%30.23NA
2309:50N 710.00OvercastOVC0253425 70%30.26NA
2308:50N 710.00OvercastOVC0253225 75%30.24NA
2307:50N 710.00OvercastOVC0253225 75%30.27NA
2306:50N 710.00OvercastOVC0253227 80%30.28NA
2305:35Calm10.00OvercastOVC0253227 82%30.31NA
2305:15Calm10.00OvercastOVC0253226 80%30.32NA
2304:55Calm10.00OvercastOVC0253226 76%30.32NA
2304:35Calm10.00OvercastOVC0253226 78%30.32NA
2304:15Calm10.00OvercastOVC0253227 81%30.32NA
2303:55Calm10.00OvercastOVC0253227 83%30.34NA
2303:35Calm10.00OvercastOVC0253228 82%30.34NA
2303:15Calm10.00OvercastOVC0253326 75%30.34NA
2302:55Calm10.00OvercastOVC0253326 77%30.34NA
2302:35Calm10.00OvercastOVC0253326 77%30.35NA
2302:15N 310.00OvercastOVC0253326 77%30.35NA
2301:55NW 310.00OvercastOVC0253327 81%30.36NA
2301:35Calm10.00OvercastOVC0253327 78%30.36NA
2301:15Calm10.00OvercastOVC0253327 79%30.36NA
2300:55Calm10.00OvercastOVC0253327 79%30.37NA
2300:35Calm10.00OvercastOVC0253327 78%30.38NA
2300:15Calm10.00OvercastOVC0253327 78%30.39NA
2223:55Calm10.00OvercastOVC0253327 353380%30.40NA
2223:35Calm10.00OvercastOVC0253327 77%30.41NA
2223:15Calm10.00OvercastOVC0253426 75%30.41NA
2222:55Calm10.00OvercastOVC0253327 77%30.41NA
2222:35Calm10.00OvercastOVC0253327 77%30.42NA
2222:15Calm10.00OvercastOVC0253426 75%30.42NA
2221:55Calm10.00OvercastOVC0253426 73%30.42NA
2221:47N 610.00OvercastOVC0253427 75%30.42NA
2221:35Calm10.00OvercastOVC0253426 73%30.42NA
2221:15Calm10.00OvercastOVC0253328 80%30.42NA
2220:47NE 610.00OvercastOVC0253427 75%30.42NA
2219:46N 610.00OvercastOVC0233428 81%30.44NA
2218:48Calm10.00OvercastOVC0253428 81%30.44NA
2217:51N 610.00OvercastOVC0253428 81%30.46NA
2216:52NE 610.00OvercastOVC0233428 81%30.44NA
2215:50N 610.00OvercastOVC0213628 75%30.45NA
2214:50N 610.00OvercastOVC0213628 75%30.43NA
2213:50N 610.00OvercastOVC0193627 70%30.45NA
2212:50NW 67.00OvercastOVC0173628 75%30.47NA
2211:45NW 128.00OvercastOVC0153428 81%30.49NA
2210:47NW 78.00OvercastOVC0173430 87%30.48NA
2209:57W 78.00OvercastOVC0173230 93%30.49NA
2208:50NW 68.00OvercastOVC0173228 87%30.45NA
2207:50Vrbl 58.00OvercastOVC0153028 93%30.44NA
2206:50NW 510.00OvercastOVC0153027 86%30.42NA
2205:35NW 510.00FairCLR3027 88%30.38NA
2205:15NW 510.00FairCLR3027 86%30.37NA
2204:55NW 510.00FairCLR3027 86%30.37NA
2204:35NW 510.00FairCLR2927 94%30.37NA
2204:15NW 710.00FairCLR2826 94%30.37NA
2203:55W 510.00FairCLR2725 92%30.36NA
2203:35W 510.00FairCLR2623 89%30.36NA
2203:15Calm10.00FairCLR2725 94%30.35NA
2202:55NW 510.00FairCLR2625 94%30.35NA
2202:35NW 310.00FairCLR2826 91%30.35NA
2202:15NW 310.00FairCLR2827 94%30.34NA
2201:55NW 510.00FairCLR2926 92%30.34NA
2201:35W 610.00FairCLR2826 94%30.34NA
2201:15W 510.00FairCLR2827 93%30.33NA
2200:55W 510.00FairCLR2827 93%30.32NA
2200:35W 610.00FairCLR2826 93%30.31NA
2200:15W 510.00FairCLR2725 93%30.31NA
2123:55W 310.00FairCLR2928 372895%30.31NA
2123:35W 310.00FairCLR2927 95%30.31NA
2123:15Calm10.00FairCLR3028 92%30.30NA
2122:55NW 310.00FairCLR2927 91%30.30NA
2122:35Calm10.00FairCLR3128 89%30.30NA
2122:15Calm10.00FairCLR3028 91%30.30NA
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.)

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Last Modified: June 14, 2005
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