Tomorrow's Weather Waterloo: Thunderstorms, Heat & Strong Winds

Tomorrow's forecast:

Morning Thunderstorms with Windy 20°C Start

    The morning kicks off at a mild 20°C with a 40% chance of thunderstorms accompanied by light rain around 0.8 mm. Winds pick up to 29 km/h with gusts reaching 58 km/h, making it a blustery start. Compared to today, temperatures are slightly warmer but the wind intensity is notably higher, setting an active tone for the day ahead.

Activities Recommendations for the morning of May 19, 2026:

• Dog Walks & Errands: Be prepared for wet and windy conditions during morning outings with pets or errands.

• Commute: Windy weather and scattered thunderstorms may affect travel times; plan accordingly.

• Outdoor Yoga or Stretching: Consider indoor alternatives due to the chance of rain and gusty winds.

Temperatures rising from 19°C early morning to a warm 28°C by afternoon

(Click above to view interactive map)

Afternoon Heat Peaks at 29°C with Thunderstorms & Strong Winds

    Temperatures climb to a warm 29°C, feeling like 35°C with high humidity. Thunderstorms become more frequent with an 80% chance and rainfall around 1.9 mm. Winds intensify to 38 km/h with gusts up to 64 km/h, making it a very blustery and stormy afternoon. The heat warning remains in effect, and UV levels peak, demanding caution.

Activities Recommendations for the afternoon of May 19, 2026:

• Outdoor Activities: Limit strenuous activities during peak heat and storm periods to stay safe.

• Picnics & Parks: Expect interruptions from thunderstorms and strong winds; consider sheltered spots.

• Cycling: Exercise caution due to gusty winds and wet roads.

Evening Thunderstorms Continue with Cooling to 21°C and Wind

    Evening temperatures drop to a cooler 21°C but thunderstorms persist with 4.7 mm of rain expected. Winds remain strong at 27 km/h with gusts up to 60 km/h, maintaining a blustery atmosphere. The combination of rain and wind will keep conditions lively as the day winds down.

Activities Recommendations for the evening of May 19, 2026:

• Commute: Allow extra time for travel as storms and wind may cause delays.

• Outdoor Dining: Consider indoor dining options due to ongoing rain and gusts.

• Photography: Capture dramatic stormy skies but stay safe and dry.

Wind speeds increasing to a strong 40 km/h with gusts up to 58 km/h around noon

(Click above to view detailed chart)

Packing preparations for tomorrow:

• Sunscreen & sunglasses – for very high midday UV exposure

• Light rain jacket or umbrella – to stay dry during thunderstorms

• Windbreaker or layered clothing – to protect against strong gusts

• Water bottle – to stay hydrated amid heat and humidity

• Air quality mask – recommended due to unhealthy air quality

• Plan for indoor alternatives – given the likelihood of storms and wind

For active alerts in your area, visit your Alerts page. This article was generated with the use of OpenAI and The Weather Network's forecast data. The article was reviewed by the editorial team for accuracy and clarity. For more details visit our AI Code of Ethics. For feedback, visit our survey.