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Alton / St. Louis Regional
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D
a
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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.
2422:55E 510.00FairCLR6967 92%30.06NA
2422:35E 310.00FairCLR6967 92%30.06NA
2422:15E 310.00FairCLR7167 88%30.06NA
2421:45Calm10.00ClearSKC7268 88%30.05NA
2420:45Calm10.00ClearSKC7368 83%30.03NA
2419:45E 610.00ClearSKC7566 74%30.02NA
2418:45E 610.00ClearSKC7968 70%30.02NA
2417:45SE 610.00Partly CloudySCT0558466 55%30.03NA
2416:45S 610.00Partly CloudySCT0558466 55%30.03NA
2415:45Vrbl 610.00Partly CloudySCT0608666 52%30.05NA
2414:45Vrbl 610.00Partly CloudySCT0508866 49%30.06NA
2413:45Vrbl 510.00Partly CloudySCT0508666 52%30.09NA
2412:45Vrbl 510.00Partly CloudySCT045 SCT050 SCT0708664 49%30.11NA
2411:45Vrbl 610.00Partly CloudySCT0508468 58%30.12NA
2410:49Vrbl 38.00A Few CloudsFEW0508270 66%30.13NA
2409:52Calm8.00ClearSKC7970 74%30.13NA
2408:45Calm7.00ClearSKC7268 88%30.12NA
2407:50Calm4.00 Fog/MistSKC6666 100%30.12NA
2406:55Calm3.00 Fog/MistFEW2006363 100%30.11NA
2406:35Calm3.00 Fog/MistCLR6363 99%30.10NA
2406:15Calm2.50 Fog/MistCLR6363 98%30.10NA
2405:55Calm4.00 Fog/MistCLR6464 98%30.09NA
2405:35Calm4.00 Fog/MistCLR6463 99%30.09NA
2405:15Calm5.00 Fog/MistCLR6464 99%30.08NA
2404:55Calm2.50 Fog/MistCLR6464 99%30.08NA
2404:35Calm4.00 Fog/MistCLR6464 98%30.08NA
2404:15Calm4.00 Fog/MistCLR6564 98%30.08NA
2403:55Calm5.00 Fog/MistCLR6463 98%30.07NA
2403:35Calm4.00 Fog/MistCLR6464 98%30.07NA
2403:15Calm5.00 Fog/MistCLR6564 98%30.07NA
2402:55Calm5.00 Fog/MistCLR6564 99%30.07NA
2402:35Calm5.00 Fog/MistCLR6565 98%30.08NA
2402:15Calm7.00FairCLR6564 98%30.07NA
2401:55Calm1.75 Fog/MistVV0076564 98%30.07NA
2401:35Calm5.00 Fog/MistCLR6565 98%30.07NA
2401:15Calm5.00 Fog/MistCLR6564 97%30.07NA
2400:55Calm5.00 Fog/MistCLR6665 796597%30.07NA
2400:35Calm7.00FairCLR6665 97%30.07NA
2400:15Calm7.00FairCLR6765 96%30.06NA
2323:55Calm10.00FairCLR6766 95%30.06NA
2323:35Calm7.00FairCLR6765 95%30.06NA
2323:15Calm7.00FairCLR6866 93%30.06NA
2322:55Calm10.00FairCLR6866 93%30.05NA
2322:35Calm10.00FairCLR7166 85%30.05NA
2322:15Calm10.00FairCLR7166 86%30.05NA
2321:45Calm10.00Partly CloudySCT2507066 88%30.05NA
2320:45Calm10.00Partly CloudySCT2507266 83%30.04NA
2319:45Calm10.00Partly CloudySCT2507368 83%30.03NA
2318:45Calm10.00Partly CloudySCT2507968 70%30.03NA
2317:45S 710.00Partly CloudySCT2508464 51%30.02NA
2316:45SE 710.00Partly CloudyFEW050 SCT2508664 49%30.02NA
2315:45S 910.00Partly CloudyFEW050 SCT2508866 49%30.02NA
2314:45Calm10.00Partly CloudySCT050 SCT2508864 46%30.03NA
2313:57Calm10.00Partly CloudySCT050 SCT2508864 46%30.05NA
2312:57Calm10.00Partly CloudySCT055 SCT2508666 52%30.07NA
2311:45Calm10.00Partly CloudyFEW050 SCT2508464 51%30.10NA
2310:50W 610.00Partly CloudySCT2508266 58%30.10NA
2309:50W 610.00Partly CloudySCT2507968 70%30.09NA
2308:50Calm7.00Partly CloudySCT2507270 94%30.09NA
2307:50Calm4.00 Fog/MistSCT2506666 100%30.07NA
2306:50Calm4.00 Fog/MistSCT2506161 100%30.07NA
2306:35Calm2.50 Fog/MistCLR6262 99%30.06NA
2306:15Calm4.00 Fog/MistCLR6363 100%30.06NA
2305:55Calm0.50 FogVV0056363 99%30.05NA
2305:35Calm5.00 Fog/MistCLR6362 98%30.05NA
2305:15Calm4.00 Fog/MistCLR6262 98%30.05NA
2304:55Calm2.00 Fog/MistCLR6363 99%30.05NA
2304:35Calm3.00 Fog/MistCLR6362 98%30.05NA
2304:15Calm2.50 Fog/MistCLR6363 99%30.04NA
2303:55Calm4.00 Fog/MistCLR6363 99%30.04NA
2303:35Calm3.00 Fog/MistCLR6262 99%30.03NA
2303:15Calm3.00 Fog/MistCLR6363 99%30.03NA
2302:55Calm5.00 Fog/MistCLR6464 98%30.03NA
2302:35Calm4.00 Fog/MistCLR6464 98%30.03NA
2302:15Calm4.00 Fog/MistCLR6463 98%30.03NA
2301:55Calm5.00 Fog/MistCLR6463 98%30.03NA
2301:35Calm4.00 Fog/MistCLR6363 98%30.02NA
2301:15Calm5.00 Fog/MistCLR6464 98%30.02NA
2300:55Calm5.00 Fog/MistCLR6464 766498%30.02NA
2300:35Calm7.00FairCLR6664 96%30.02NA
2300:15Calm7.00FairCLR6564 98%30.03NA
2223:55Calm7.00FairCLR6665 97%30.02NA
2223:35Calm7.00FairCLR6665 96%30.02NA
2223:15Calm10.00FairCLR6865 91%30.02NA
2222:55Calm10.00FairCLR6665 95%30.01NA
2222:35Calm10.00FairCLR6765 94%30.02NA
2222:15Calm10.00FairCLR6865 91%30.02NA
2221:50Calm10.00Partly CloudySCT2506866 94%30.02NA
2220:53Calm10.00Partly CloudySCT2507266 83%30.01NA
2219:56S 610.00Partly CloudySCT2507366 78%30.00NA
2218:45S 610.00Partly CloudySCT2507964 61%29.99NA
2217:59S 910.00Partly CloudySCT2508263 51%29.98NA
2216:45S 910.00Partly CloudySCT2508463 48%29.98NA
2215:45SE 710.00Partly CloudySCT2508663 46%30.00NA
2214:45SE 710.00Partly CloudySCT2508666 52%30.01NA
2213:45SW 610.00Partly CloudySCT2508466 55%30.03NA
2212:45W 610.00Partly CloudySCT2508466 55%30.05NA
2210:50Calm10.00ClearSKC8166 62%30.08NA
2209:50Calm10.00ClearSKC7766 69%30.10NA
2208:50Calm10.00ClearSKC7066 88%30.09NA
2207:50Calm5.00 Fog/MistSKC6463 94%30.07NA
2206:50Calm5.00 Fog/MistSKC6161 100%30.07NA
2206:35NE 35.00 Fog/MistCLR6161 99%30.07NA
2206:15Calm5.00 Fog/MistCLR6261 98%30.07NA
2205:55Calm4.00 Fog/MistCLR6262 99%30.06NA
2205:35Calm5.00 Fog/MistCLR6261 98%30.06NA
2205:15Calm5.00 Fog/MistCLR6161 99%30.06NA
2204:55E 51.75 Fog/MistVV0076060 99%30.06NA
2204:35Calm7.00FairCLR6262 98%30.06NA
2204:15Calm7.00FairCLR6362 98%30.06NA
2203:55Calm10.00FairCLR6261 96%30.05NA
2203:35Calm10.00FairCLR6261 97%30.06NA
2203:15Calm10.00FairCLR6463 95%30.06NA
2202:55NE 310.00FairCLR6462 94%30.06NA
2202:35E 610.00FairCLR6463 95%30.06NA
2202:15E 510.00FairCLR6463 97%30.06NA
2201:55Calm10.00FairCLR6463 94%30.06NA
2201:35Calm10.00FairCLR6563 92%30.06NA
2201:15Calm10.00FairCLR6563 95%30.06NA
2200:55E 310.00FairCLR6663 766690%30.06NA
2200:35SE 310.00FairCLR6663 90%30.06NA
2200:15SE 510.00FairCLR6664 92%30.07NA
2123:55Calm10.00FairCLR6864 86%30.08NA
2123:35Calm10.00FairCLR6764 91%30.08NA
2123:15SE 510.00FairCLR6764 90%30.07NA
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.)

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Last Modified: June 14, 2005
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