NWSAlertCell: (semi)bold highlight.

1Weather/UI/View controllers/Notifications/Cells/NWSAlertCell.swift

@@ -74,7 +74,18 @@ class NWSAlertCell: UITableViewCell {
         }
         headerActiveExpiredLabel.isHidden = false
         let expiryString =  expiryDateFormatter(timeZone: alert.timeZone).string(from: alert.expires)
-        alertTextLabel.text = "\(alert.description) \("notifications.nwsCell.remainsInEffectUntil".localized()) \(expiryString)"
+        
+        let attributedText = NSMutableAttributedString(string: "\(alert.description) \("notifications.nwsCell.remainsInEffectUntil".localized()) \(expiryString)",
+                                                       attributes: [
+                                                        .font: AppFont.SFPro.regular(size: 14),
+                                                        .foregroundColor: primaryTextColor as Any
+                                                       ])
+        let nsText = attributedText.string as NSString
+        let boldRange = nsText.range(of: alert.description)
+        if boldRange.location != NSNotFound {
+            attributedText.addAttribute(.font, value: AppFont.SFPro.semibold(size: 14), range: boldRange)
+        }
+        alertTextLabel.attributedText = attributedText
         
         if let issueDate = alert.extendedInfo?.issueDate {
             let issueDateString = issueDateFormatter(timeZone: alert.timeZone).string(from: issueDate)
@@ -87,7 +98,7 @@ class NWSAlertCell: UITableViewCell {
 }
 
 private extension NWSAlertCell {
-    var primaryTextColor: UIColor? {
+    var primaryTextColor: UIColor! {
         UIColor(named: "notifications_primary_text")
     }