isBboxOverlap($laMin,$lnMin,$laMax,$lnMax,$laCoMin,$lnCoMin,$laCoMax,$lnCoMax)) { $alerts_count++; } } return $alerts_count; } function getWeatherAlertsForLaln($la, $ln, $radius) { if(!isset($radius) || $radius == 0) $radius = 10; $oGC = new GeoCalc(); $bbox = $oGC->getBbox($la, $ln, $radius); return getWeatherAlertsForBbox($bbox, "$la,$ln"); } function getWeatherAlertsForBbox($bbox, $laln) { $state = getStateFromLaln($laln); //echo "$state,$bbox,$laln\r\n"; $weather_alerts = getWeatherEvents($state); //echo $weather_alerts; $t = explode("||", $weather_alerts); $oGC = new GeoCalc(); $size1 = count($t); $bboxWeatherAlerts = ""; for($i=0;$i<$size1;$i++) { $t1 = explode(";;",$t[$i]); $fips6 = $t1[5]; $bboxCo = getCountyBbox($fips6); //print_r($bboxCo) ; $laCoMax = floatVal($bboxCo[0]); $lnCoMin = floatVal($bboxCo[1]); $laCoMin = floatVal($bboxCo[2]); $lnCoMax = floatVal($bboxCo[3]); //echo "$laCoMax,$lnCoMin,$laCoMin,$lnCoMax\r\n"; //echo "OKbefore
"; if($oGC->isBboxOverlap($bbox[0],$bbox[1],$bbox[2],$bbox[3],$laCoMin,$lnCoMin,$laCoMax,$lnCoMax)) { //echo "OKafter
"; //echo $bbox[0] . "," . $bbox[1] . "\r\n"; $laCoMid = ($laCoMax+$laCoMin)/2.0; $lnCoMid = ($lnCoMax+$lnCoMin)/2.0; $alerts = $t1[0] . ";;" . $t1[1] . ";;" . $t1[2] . ";;" . $t1[3] . ";;" . $t1[4] . ";;$laCoMid,$lnCoMid"; if(strlen($bboxWeatherAlerts) > 0) $bboxWeatherAlerts = $bboxWeatherAlerts . "||" . $alerts; else $bboxWeatherAlerts = $alerts; //echo $bbox[0] . "," . $bbox[1] . "\r\n"; } } //echo "OK$bboxWeatherAlerts"; return $bboxWeatherAlerts; } /* $la = 34.049482; $ln=-118.242931; $radius = 30; echo getWeatherAlertsForLaln($la, $ln, $radius); */ ?> US 18 (SD) weather conditions - Roadnow

US 18 (SD) weather conditions

2026-01-23 Roadnow

Chat Report Accident

Current | Today | Tomorrow | +2 Days | +3 Days | +4 Days | +5 Days

US 18 (SD) Overnight 2026-01-23 weather conditions

detailInwood weather: Scattered Flurries, -3°F
detailDavis weather: Scattered Flurries, -3°F
detailHurley weather: Cold, -3°F
detailMenno weather: Scattered Flurries, -3°F
detailTripp weather: Cold, -2°F
detailRavinia weather: Scattered Flurries, 0°F
detailHerrick weather: Scattered Flurries, -1°F
detailColome weather: Mostly Cloudy, -2°F
detailRosebud weather: Slight Chance Snow, -2°F
detailWhiteclay weather: Chance Snow, 1°F
detailOral weather: Chance Snow, 1°F

Other city weather along US 18 (SD)

GoInwood weather forcasts GoCanton weather forcasts GoSioux Falls weather forcasts GoWorthing weather forcasts GoHarrisburg weather forcasts GoDavis weather forcasts GoLennox weather forcasts GoTea weather forcasts GoChancellor weather forcasts GoParker weather forcasts GoHurley weather forcasts GoViborg weather forcasts GoMarion weather forcasts GoMonroe weather forcasts GoOlivet weather forcasts GoMenno weather forcasts GoBridgewater weather forcasts GoScotland weather forcasts GoDimock weather forcasts GoDelmont weather forcasts GoTripp weather forcasts GoParkston weather forcasts GoArmour weather forcasts GoLake Andes weather forcasts GoWagner weather forcasts GoRavinia weather forcasts GoPickstown weather forcasts GoFairfax weather forcasts GoGregory weather forcasts GoBurke weather forcasts GoHerrick weather forcasts GoSaint Charles weather forcasts GoBonesteel weather forcasts GoButte weather forcasts GoDallas weather forcasts GoColome weather forcasts GoWinner weather forcasts GoCarter weather forcasts GoOkreek weather forcasts GoMission weather forcasts GoRosebud weather forcasts GoParmelee weather forcasts GoMartin weather forcasts GoAllen weather forcasts GoPine Ridge weather forcasts GoWhiteclay weather forcasts GoWounded Knee weather forcasts GoBatesland weather forcasts GoOglala weather forcasts GoOelrichs weather forcasts GoOral weather forcasts GoHot Springs weather forcasts GoEdgemont weather forcasts

Thank you for using Roadnow

Roadnow US