Alert archive / Nebraska / Greeley County

Weather alerts in Greeley County, Nebraska, 2026

156 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Greeley County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts
156
Warnings
57
Watches
27
Advisories
25
Busiest month
August38 alerts
Busiest day
August 18, 202616 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

0 of 2 tornado warnings covering Greeley County in 2026 had a tornado report inside them.

Greeley County, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings20100%0
Severe thunderstorm warnings261446%1995%20 min
Flash flood warnings10100%0

Each office's whole area, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Hastings, NE: tornado warnings13562%1182%20 min
NWS Hastings, NE: severe thunderstorm warnings29716245%64490%24 min
NWS Hastings, NE: flash flood warnings7186%1100%36 min

An office's figures cover every county it serves, including across state lines.

The year is still running; reports filed late and damage surveys can still change these figures.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 1, 7:57 PM CSTDense Fog AdvisoryGID16 hr
Jan 2, 2:07 AM CSTWinter Weather AdvisoryGID20 hr
Jan 2, 12:34 PM CSTMesoscale DiscussionSPC4 hr
Jan 14, 2:19 AM CSTHigh Wind WatchGID35 hr
Jan 15, 12:57 PM CSTHigh Wind WarningGID29 hr
Jan 22, 2:08 AM CSTCold Weather AdvisoryGID4 days
Feb 9, 2:28 AM CSTRed Flag WarningGID16 hr
Feb 15, 12:35 PM CSTFire Weather WatchGID23 hr
Feb 16, 11:30 AM CSTRed Flag WarningGID35 hr
Feb 18, 1:49 AM CSTWinter Storm WatchGID10 hr
Feb 18, 11:53 AM CSTWinter Weather AdvisoryGID36 hr
Feb 18, 9:36 PM CSTWinter Storm WarningGID26 hr
Mar 2, 10:05 PM CSTDense Fog AdvisoryGID12 hr
Mar 4, 8:57 PM CSTDense Fog AdvisoryGID14 hr
Mar 6, 2:37 AM CSTSpecial Weather StatementGID23 min
Mar 8, 2:07 PM CDTRed Flag WarningGID6 hr
Mar 10, 12:19 PM CDTFire Weather WatchGID24 hr
Mar 11, 12:07 PM CDTRed Flag WarningGID36 hr
Mar 11, 9:56 PM CDTHigh Wind WatchGID14 hr
Mar 13, 11:04 AM CDTRed Flag WarningGID33 hr
Mar 13, 11:49 AM CDTHigh Wind WatchGID23 hr
Mar 14, 11:06 AM CDTHigh Wind WarningGID33 hr
Mar 14, 11:58 PM CDTWinter Weather AdvisoryGID17 hr
Mar 19, 2:53 AM CDTFire Weather WatchGID30 hr
Mar 20, 9:09 AM CDTRed Flag WarningGID43 hr
Mar 24, 11:21 PM CDTRed Flag WarningGID20 hr
Mar 26, 1:17 PM CDTFire Weather WatchGID19 hr
Mar 26, 1:17 PM CDTRed Flag WarningGID30 hr
Mar 27, 8:13 AM CDTRed Flag WarningGID38 hr
Apr 12, 2:49 AM CDTRed Flag WarningGID16 hr
Apr 12, 8:33 PM CDTRed Flag WarningGID24 hr
Apr 13, 6:53 PM CDTSpecial Weather StatementGID37 min
Apr 15, 1:39 AM CDTFire Weather WatchGID14 hr
Apr 15, 3:16 PM CDTRed Flag WarningGID32 hr
Apr 16, 12:36 AM CDTFreeze WatchGID34 hr
Apr 17, 10:49 AM CDTFreeze WarningGID22 hr
Apr 17, 11:36 AM CDTRed Flag WarningGID32 hr
Apr 20, 12:07 AM CDTRed Flag WarningGID21 hr
Apr 21, 1:44 PM CDTRed Flag WarningGID30 hr
Apr 22, 1:54 PM CDTRed Flag WarningGID31 hr
Apr 28, 1:11 PM CDTFrost AdvisoryGID20 hr
Apr 30, 12:07 PM CDTFrost AdvisoryGID21 hr
May 1, 12:45 PM CDTFreeze WarningGID19 hr
May 6, 12:56 PM CDTFrost AdvisoryGID18 hr
May 9, 11:54 PM CDTFire Weather WatchGID13 hr
May 10, 12:46 PM CDTRed Flag WarningGID33 hr
May 11, 12:06 PM CDTFire Weather WatchGID10 hr
May 11, 10:16 PM CDTRed Flag WarningGID23 hr
May 16, 4:42 PM CDTMesoscale DiscussionSPC3 hr
May 16, 5:08 PM CDTSevere Thunderstorm WatchSPC9 hr
May 16, 7:10 PM CDTSevere Thunderstorm WarningGID28 min
May 17, 3:08 AM CDTMesoscale DiscussionSPC97 min
May 17, 2:45 PM CDTMesoscale DiscussionSPC60 min
May 17, 3:16 PM CDTTornado WatchSPC8 hr
May 17, 4:55 PM CDTSevere Thunderstorm Warning Considerable damage threatGID50 min
May 17, 5:13 PM CDTMesoscale DiscussionSPC62 min
May 19, 11:47 AM CDTFrost AdvisoryGID20 hr
May 23, 6:44 PM CDTSpecial Weather StatementGID46 min
May 24, 6:49 PM CDTMesoscale DiscussionSPC116 min
May 25, 5:13 PM CDTMesoscale DiscussionSPC2 hr
Jun 2, 12:27 AM CDTSpecial Weather StatementGID33 min
Jun 2, 1:02 AM CDTSpecial Weather StatementGID43 min
Jun 5, 5:48 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 9, 5:16 PM CDTMesoscale DiscussionSPC59 min
Jun 9, 5:46 PM CDTTornado WatchSPC5 hr
Jun 9, 7:52 PM CDTDust Storm AdvisoryGID68 min
Jun 9, 7:59 PM CDTMesoscale DiscussionSPC91 min
Jun 9, 8:09 PM CDTSpecial Weather StatementGID36 min
Jun 9, 8:26 PM CDTSevere Thunderstorm WarningGID19 min
Jun 9, 8:42 PM CDTSpecial Weather StatementGID18 min
Jun 11, 1:51 AM CDTMesoscale DiscussionSPC114 min
Jun 13, 3:30 AM CDTMesoscale DiscussionSPC3 hr
Jun 13, 4:41 AM CDTSpecial Weather StatementGID49 min
Jun 13, 4:42 AM CDTSevere Thunderstorm WatchSPC6 hr
Jun 13, 4:48 AM CDTSevere Thunderstorm WarningGID42 min
Jun 13, 4:49 AM CDTSevere Thunderstorm WarningGID41 min
Jun 13, 5:27 AM CDTSevere Thunderstorm WarningGID48 min
Jun 13, 5:46 AM CDTSpecial Weather StatementGID29 min
Jun 13, 6:14 AM CDTAreal Flood AdvisoryGID3 hr
Jun 13, 6:20 AM CDTSpecial Weather StatementGID25 min
Jun 19, 12:47 PM CDTFlood WatchGID42 hr
Jun 20, 10:16 AM CDTMesoscale DiscussionSPC119 min
Jun 20, 6:04 PM CDTSpecial Weather StatementGID41 min
Jun 20, 6:45 PM CDTMesoscale DiscussionSPC2 hr
Jun 20, 7:12 PM CDTAreal Flood AdvisoryGID3 hr
Jun 20, 9:32 PM CDTAreal Flood WarningGID16 min
Jun 20, 9:46 PM CDTAreal Flood WarningGID21 hr
Jun 29, 6:24 PM CDTMesoscale DiscussionSPC96 min
Jun 29, 6:46 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 29, 9:31 PM CDTSevere Thunderstorm WarningGID29 min
Jun 29, 10:06 PM CDTSevere Thunderstorm WarningGID39 min
Jun 29, 10:25 PM CDTMesoscale DiscussionSPC2 hr
Jun 29, 10:38 PM CDTSevere Thunderstorm Warning Considerable damage threatGID67 min
Jun 29, 10:57 PM CDTSevere Thunderstorm WarningGID48 min
Jun 29, 11:51 PM CDTSpecial Weather StatementGID24 min
Jul 1, 7:38 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 2, 7:51 PM CDTMesoscale DiscussionSPC54 min
Jul 3, 2:52 PM CDTMesoscale DiscussionSPC113 min
Jul 4, 4:53 PM CDTSevere Thunderstorm WatchSPC4 hr
Jul 4, 8:25 PM CDTSpecial Weather StatementGID50 min
Jul 8, 5:13 PM CDTSpecial Weather StatementGID32 min
Jul 8, 5:21 PM CDTSevere Thunderstorm WatchSPC8 hr
Jul 8, 5:22 PM CDTSevere Thunderstorm WarningGID38 min
Jul 11, 5:28 AM CDTDense Fog AdvisoryGID4 hr
Jul 18, 8:57 PM CDTHeat AdvisoryGID49 hr
Jul 20, 6:40 PM CDTSpecial Weather StatementGID20 min
Jul 24, 12:27 AM CDTHeat AdvisoryGID41 hr
Jul 25, 1:58 AM CDTDense Fog AdvisoryGID8 hr
Jul 25, 5:34 PM CDTHeat AdvisoryGID26 hr
Jul 25, 5:34 PM CDTExtreme Heat WarningGID52 hr
Jul 30, 5:41 PM CDTMesoscale DiscussionSPC64 min
Jul 30, 6:39 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 30, 7:14 PM CDTSpecial Weather StatementGID46 min
Jul 30, 8:00 PM CDTSevere Thunderstorm WarningGID45 min
Aug 6, 12:04 AM CDTDense Fog AdvisoryGID10 hr
Aug 7, 4:54 AM CDTDense Fog AdvisoryGID4 hr
Aug 8, 10:25 AM CDTSpecial Weather StatementGID50 min
Aug 9, 7:20 AM CDTDense Fog AdvisoryGID3 hr
Aug 12, 1:35 AM CDTMesoscale DiscussionSPC115 min
Aug 12, 2:24 AM CDTSevere Thunderstorm WatchSPC8 hr
Aug 12, 2:40 AM CDTSevere Thunderstorm Warning Considerable damage threatGID50 min
Aug 12, 7:33 PM CDTSevere Thunderstorm WatchSPC8 hr
Aug 13, 1:11 AM CDTMesoscale DiscussionSPC64 min
Aug 13, 1:19 AM CDTSevere Thunderstorm Warning Destructive damage threatGID41 min
Aug 13, 1:55 AM CDTSevere Thunderstorm Warning Considerable damage threatGID50 min
Aug 14, 2:20 AM CDTMesoscale DiscussionSPC2 hr
Aug 17, 7:52 PM CDTSevere Thunderstorm WarningGID38 min
Aug 17, 8:02 PM CDTMesoscale DiscussionSPC58 min
Aug 17, 8:24 PM CDTSevere Thunderstorm Warning Considerable damage threatGID51 min
Aug 17, 8:32 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 17, 8:47 PM CDTTornado WarningGID28 min
Aug 17, 9:07 PM CDTTornado WarningGID19 min
Aug 17, 9:24 PM CDTSevere Thunderstorm Warning Considerable damage threatGID51 min
Aug 17, 9:25 PM CDTMesoscale DiscussionSPC65 min
Aug 17, 10:30 PM CDTSpecial Weather StatementGID30 min
Aug 17, 10:59 PM CDTSevere Thunderstorm WarningGID16 min
Aug 17, 11:21 PM CDTMesoscale DiscussionSPC84 min
Aug 17, 11:38 PM CDTSpecial Weather StatementGID52 min
Aug 18, 12:08 AM CDTSevere Thunderstorm WarningGID52 min
Aug 18, 4:15 AM CDTAreal Flood AdvisoryGID4 hr
Aug 18, 7:12 AM CDTAreal Flood WarningGID10 hr
Aug 18, 5:06 PM CDTAreal Flood WarningGID16 hr
Aug 19, 9:01 AM CDTMesoscale DiscussionSPC119 min
Aug 19, 9:53 AM CDTSevere Thunderstorm WatchSPC6 hr
Aug 19, 9:56 AM CDTSevere Thunderstorm WarningGID64 min
Aug 19, 10:57 AM CDTSevere Thunderstorm Warning Considerable damage threatGID48 min
Aug 19, 11:12 AM CDTSevere Thunderstorm Warning Destructive damage threatGID48 min
Aug 19, 12:26 PM CDTFlash Flood WarningGID7 hr
Aug 20, 2:23 AM CDTDense Fog AdvisoryGID8 hr
Aug 21, 1:35 PM CDTMesoscale DiscussionSPC115 min
Aug 30, 1:51 AM CDTSevere Thunderstorm WarningGID39 min
Aug 30, 2:24 AM CDTSevere Thunderstorm WarningGID30 min
Sep 1, 3:17 PM CDTMesoscale DiscussionSPC118 min
Sep 1, 10:35 PM CDTSevere Thunderstorm WarningGID25 min
Sep 16, 11:03 PM CDTDense Fog AdvisoryGID11 hr
Sep 18, 10:13 PM CDTSpecial Weather StatementGID32 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.