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Hourly Forecast - Ross

YELLOW WATCH - SEVERE THUNDERSTORM

Impact Level: Moderate

Forecast Confidence: High


Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain. Locations: Portions of southern Manitoba. Potential rainfall rates: locally 30 to 50 mm per hour in thunderstorms. Potential wind gusts: 90 km/h or higher in thunderstorms. Time span: Early this afternoon until this evening. Remarks: Another round of severe weather is likely across parts of southern Manitoba starting early this afternoon. Storms should form along a frontal boundary moving east across the province’s southwest this afternoon. As they move east‑northeast, the main threats will be large hail (2.5–4 cm), strong gusty winds, and heavy rainfall. The risk of severe weather will gradually diminish this evening, progressing from west to east. Be prepared for severe weather. If threatening weather approaches, take cover in a basement or interior room. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to MBstorm@ec.gc.ca, call 1-800-239-0484 or post reports on X using #MBStorm.

In effect for:

  • R.M. of Tache incl. Lorette Ste-Geneviève and Landmark
Date/Time
(CDT)
Temp.
(°C)
Weather ConditionsLikelihood of precip (%) UV indexWind
(km/h)
Humidex
3 June 2026
14:00 21 Mainly cloudy

Mainly cloudy

06S 15
25
15:00 22 Mainly cloudy

Mainly cloudy

05S 15
27
16:00 23 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

302S 15
28
17:00 22 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

301S 15
27
18:00 21 Showers or thunderstorms.

Showers or thunderstorms.

90*SW 15
26
19:00 20 Showers or thunderstorms.

Showers or thunderstorms.

90*SW 15
25
20:00 19 Showers or thunderstorms.

Showers or thunderstorms.

90*SW 15
*
21:00 19 Showers or thunderstorms.

Showers or thunderstorms.

90*SW 15
*
22:00 18 Showers or thunderstorms.

Showers or thunderstorms.

90*SW 15
*
23:00 17 Showers or thunderstorms.

Showers or thunderstorms.

90*SW 15
*
4 June 2026
00:00 16 Showers or thunderstorms

Showers or thunderstorms

90*SW 15
*
01:00 15 Cloudy

Cloudy

10*SW 15
*
02:00 15 Cloudy

Cloudy

10*SW 15
*
03:00 14 Partly cloudy

Partly cloudy

10*SW 15
*
04:00 14 Partly cloudy

Partly cloudy

10*SW 15
*
05:00 14 A mix of sun and cloud

A mix of sun and cloud

10*SW 15
*
06:00 14 A mix of sun and cloud

A mix of sun and cloud

0*SW 15
*
07:00 14 A mix of sun and cloud

A mix of sun and cloud

01SW 15
*
08:00 15 A mix of sun and cloud

A mix of sun and cloud

02SW 15
*
09:00 17 A mix of sun and cloud

A mix of sun and cloud

03SW 15
*
10:00 18 A mix of sun and cloud

A mix of sun and cloud

05SW 15
*
11:00 19 A mix of sun and cloud

A mix of sun and cloud

06SW 15
*
12:00 20 A mix of sun and cloud

A mix of sun and cloud

07NW 20
gusts 40
*
13:00 21 A mix of sun and cloud

A mix of sun and cloud

07NW 20
gusts 40
25

* Value not significant

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