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Omaha Weather: Severe Storms

  • May 18, 2026


OMAHA, Neb. (WOWT) – Today is Day 2 out of 4 of First Alert 6 Weather Days!

12:55AM – A Flash Flood Warning is currently in effect for Nemaha, Otoe, Johnson county until May 17 3:00AM. If you are in a flood prone area, seek higher ground immediately.

12:45AM – A Severe Thunderstorm Warning is in effect for Richardson, Gage, Nemaha, Johnson, Pawnee County until May 17 2:00AM. Large hail and damaging winds of at least 60mph are possible.

12:05AM – A Severe Thunderstorm Warning is in effect for Gage, Johnson, Saline, Jefferson, Otoe County until May 17 1:00AM. Large hail and damaging winds of at least 60mph are possible.

12AM – A Severe Thunderstorm Warning is in effect for Gage, Pawnee, Jefferson, Johnson County until May 17 12:45AM. THIS IS A DESTRUCTIVE STORM! Damaging winds of at least 80mph or large hail of at least baseball size is likely!

11:45PM – A Severe Thunderstorm Warning is in effect for Nemaha, Otoe County until May 17 12:30AM. Large hail and damaging winds of at least 60mph are possible. A Severe Thunderstorm Warning is also in effect for Gage, Pawnee, Jefferson, Johnson County until May 17 12:45AM. A damaging thunderstorm with large hail at least the size of golf balls or damaging winds of at least 70mph are expected.

11:10PM – A Flash Flood Warning is currently in effect for Johnson, Otoe, Gage county until May 17 2:15AM. If you are in a flood prone area, seek higher ground immediately.

11PM – A Severe Thunderstorm Warning is in effect for Gage, Johnson County until May 16 10:45PM. Large hail and damaging winds of at least 60mph are possible.

10:45PM – A Severe Thunderstorm Warning is in effect for Saunders, Lancaster County until May 16 11:30PM. Large hail and damaging winds of at least 60mph are possible.

10:30PM – A Severe Thunderstorm Warning is in effect for Nemaha, Johnson, Otoe County until May 16 11:30PM. Large hail and damaging winds of at least 60mph are possible.

9:50PM – A Severe Thunderstorm Warning is in effect for Saunders, Lancaster County until May 16 10:30PM. Large hail and damaging winds of at least 60mph are possible.

9:45PM – A Severe Thunderstorm Warning is in effect for Douglas, Sarpy, Saunders County until May 16 10:15PM. Large hail and damaging winds of at least 60mph are possible.

9:35PM – A Severe Thunderstorm Warning is in effect for Saunders County until May 16 10:00PM. A damaging thunderstorm with large hail at least the size of golf balls or damaging winds of at least 70mph are expected.

9:15PM – A Severe Thunderstorm Warning is in effect for Gage, Johnson, Pawnee County until May 16 10:00PM. A damaging thunderstorm with large hail at least the size of golf balls or damaging winds of at least 70mph are expected.

9:10PM – A Severe Thunderstorm Warning is in effect for Saunders, Lancaster, Butler, Seward County until May 16 10:00PM. Large hail and damaging winds of at least 60mph are possible.

9:05PM – A Severe Thunderstorm Warning is in effect for Saline, Lancaster, Gage County until May 16 9:45PM. THIS IS A DESTRUCTIVE STORM! Damaging winds of at least 80mph or large hail of at least baseball size is likely!

8:30PM – A Tornado warning was issued for a storm capable of producing a tornado 7 miles northwest of Beatrice. Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This tornadic thunderstorm will remain over mainly rural areas of northwestern Gage County.

8:20PM – A Severe Thunderstorm Warning is in effect for Saunders, Butler County until May 16 9:00PM. Large hail and damaging winds of at least 60mph are possible.

8:10PM – A Severe Thunderstorm Warning is in effect for Seward, Saline, Lancaster County until May 16 9:00PM. Large hail and damaging winds of at least 60mph are possible.

7:45PM – A Severe Thunderstorm Warning is in effect for Fremont County until May 16 8:45PM. Large hail and damaging winds of at least 60mph are possible. Another Severe Thunderstorm Warning is in effect for Saline, Gage, Lancaster, Jefferson County until May 16 8:30PM. A damaging thunderstorm with large hail at least the size of golf balls or damaging winds of at least 70mph are expected.

7:30PM – A Severe Thunderstorm Warning is in effect for Butler County until May 16 8:30PM. Large hail and damaging winds of at least 60mph are possible.

6:50PM – A Flash Flood Warning is currently in effect for Montgomery county until May 16 10:00PM. If you are in a flood prone area, seek higher ground immediately.

6:20PM – A Severe Thunderstorm Warning is in effect for Platte County until May 16 7:00PM. Large hail and damaging winds of at least 60mph are possible.

6:15PM – A Severe Thunderstorm Warning is in effect for Montgomery, Page County until May 16 7:00PM. Large hail and damaging winds of at least 60mph are possible.

5:40PM – A Severe Thunderstorm Warning is in effect for Platte County until May 16 6:30PM. Large hail and damaging winds of at least 60mph are possible.

5:35PM – A Severe Thunderstorm Warning is in effect for Adams, Adair, Cass County until May 16 6:15PM. Large hail and damaging winds of at least 60mph are possible.

5:25PM – A Severe Thunderstorm Warning is in effect for Montgomery, Pottawattamie County until May 16 6:15PM. Large hail and damaging winds of at least 60mph are possible.

5:10PM – A Severe Thunderstorm Warning is in effect for Montgomery County until May 16 6:00PM. A damaging thunderstorm with large hail at least the size of golf balls or damaging winds of at least 70mph are expected.

4:45PM – A Severe Thunderstorm Warning is in effect for Page County until May 16 5:30PM. Large hail and damaging winds of at least 60mph are possible.

4:30PM – A Severe Thunderstorm Warning is in effect for Montgomery, Mills, Fremont, Page County until May 16 5:15PM. Large hail and damaging winds of at least 60mph are possible.

PREVIOUS COVERAGE

Today will be very similar to yesterday as the majority of the day will be partly to mostly cloudy. The best chance of severe storms will be after 5 PM. The metro is under a Slight (Level 2) risk of severe weather today. Before that, we’ll warm into the 80s with noticeable humidity.

Most of the day will be quiet until after 5 PM.(wowt)
A slight risk of severe storms after 5 PM today.
A slight risk of severe storms after 5 PM today.(wowt)

Large hail reaching up to 2″ and strong wind gusts reaching 75+ mph are the primary threat again tonight. The greatest tornado threat mainly stays west.

Large hail and damaging winds are the main threats.
Large hail and damaging winds are the main threats.(wowt)

After midnight, more storms are likely but the chance of severe weather decreases. The storms will wrap up by Sunday morning.

Two more First Alert 6 Weather Days are in the forecast beyond that too with severe storm potential Sunday & Monday too.

First Alert 6 Weather Day continues today through Monday for severe storms.
First Alert 6 Weather Day continues today through Monday for severe storms.(wowt)

Sunday will start out with spotty t-showers, but they shouldn’t be severe. Then we’ll warm well to near 90 before we watch another round of strong evening storms. Once again, the best chance is after 6 PM. The highest severe risk is to the northwest of the metro.

Highest severe risk is to the northwest of the metro.
Highest severe risk is to the northwest of the metro.(wowt)

One more First Alert 6 Weather Day has been added to the mix for Monday with the lingering severe threat in the afternoon hours. Monday looks to be the highest risk of severe weather for the metro as we’ve been issued an Enhanced (Level 3) risk. A few tornadoes are possible Monday afternoon. Timing looks to be after 3 PM into the evening hours.

Monday has the highest risk of severe weather for the metro.
Monday has the highest risk of severe weather for the metro.(wowt)

Beyond that we should be have less humidity, cooler air and calmer weather for a little while.

After the severe storms, temps will cool down quickly.
After the severe storms, temps will cool down quickly.(wowt)

Copyright 2026 WOWT. All rights reserved.



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