96F (36C) in Lincoln NE as of 3 pm CDT March 21st. That's 40F above their average high of 56F/13C for this date. It exceeds their hottest March temp by 5F (old record was 91F) Earliest 95F by a month (prev earliest 95F was Apr 20) Insane early season heat in the US plains today

March madness! Forecast highs (F) across the US plains today (March 21) 90s into SD. 98F for NE and KS. Over 100F for OK/TX. This graphic would be a warm day for June. MARCH??? Absolutely insane.

The multiple 112° readings today are just 1° short of the national April record, which happened in Death Valley with 113° on April 24, 1946 and also on April 22, 2012. Note that those occurred in late April (h/t to weather historian Chris Burt).

8 STATES WITH A MARCH HEAT RECORD CA 112 Buttercup and Squaw Lake AZ 112 Fort Yuma and Martinez Lake NV 104 Cottonwood Cove NM 99 Draw Near UT 95 St George COOP MO 95 Harrisonville WY 87 Torrington and Guernsey yesterday ID 86 Boise River OK,OR,MT,KS,NE,CO barely missed it

This March heat wave over the SW US is mind boggling. Before this event, Flagstaff's all time March high was 73F. They have exceeded that mark the past 3 days, and are expected to exceed it for at least the next 7 days! Breaking your all time monthly record 10 days in a row?! I've never seen that.

History is made. New US March monthly heat record at Martinez Lake, AZ at 110°! The most intense spring #heatwave in US history.

Historic March heat wave baking the southwest US. Currently 107F in Thermal CA as of 1 pm local time. On pace to hit 111F this afternoon which would be the hottest March temperature ever recorded in the US. (current record is 108F)

Dramatic push of ice cover on Lake Erie due to strong NW winds last night into this morning. MODIS satellite imagery today (Feb 7) vs 3 days ago (Feb 4)

A record high of 18.0C in Calgary AB today, beats previous record for Feb 5th of 17.4C in 1984. It’s the earliest in the year they’ve ever hit 18.0C or more (previous earliest date was Feb 12 1934) and ranks as Calgary’s 8th warmest February day on record (data since 1885)

A fine looking early February day in southern AB. Already 15C as of 10:40 am with beautiful blue skies, and a gusty southwest wind. Heading up to a record 20C this afternoon.

Canadian snowbirds don't have to head to Florida for warmth this winter.. head to southern Alberta instead! Temperatures expected to hit the 20C mark today in south AB while Florida struggles in the low to mid teens this aftn. A good example of the warm west/cold east pattern we've been having

Incredibly mild early February day in southern AB. Several sites hit the 20C mark, including Lethbridge with a record high of 20.6C, 2nd warmest Feb temp on record there (21.8C on Feb 27 1992) Hot spot was Hays at 21.3C. Calgary tied a daily record high for Feb 4th at 16.2C (tied with 1992)

All time hottest September temperature for Canada set today at Ashcroft BC with a sizzling 40.8C. Beats previous record of 40.0C set in Morden MB (Sep 1906), Lost River SK (Sep 1940) and Lytton BC (Sep 2025) (TWN graphic)

Even hotter than yesterday in Eastern Canada! All-time records were set at several stations, and the all-time PEI record was shattered with 38.1° at Maple Plains! 36.7° in Badger, NL tied August record for NL and all-time record for the island. 38.6° in Miramichi is 0.8° below NB all-time record. ♨️

How are we doing for the first half of July in terms of temperature? Top 5 to Top 10 coolest in parts of Texas, but much warmer than normal across much of the northern tier.

Areas of heavier rainfall across Niagara over past 24 hours brought 25-50 mm over localized areas. Otherwise only 5-10 mm between heavier bands with less than 5 mm west of Grimsby.

One lone band of cumulus clouds over Niagara nicely marks convergent zone between Lake Erie and Lake Ontario lake breezes this afternoon

Quite the soaker through the Cambridge area last night.. upwards of 75-100 mm of rain reported, much of it falling between 10 pm and 1 am.

Area of showers over Lake Ontario will clip north St Catharines into NOTL over the next hour. Heads up if your boating in this area for some gusty showers moving in.

Quite the soaker across parts of Niagara this morning. Heavier cells early this morning gave 30-50 mm of rain through the Niagara Falls-Chippawa area in just over an hour. (Radar image from 530 am)

Max temps across Niagara today (Jun 24): Vineland: 35.6C Grimsby: 35.5C St Catharines: 35.4C Beamsville: 35C Niagara Falls: 33.9C Welland: 33.1C Port Colborne: 29C These are the hottest temperatures recorded in Niagara since July 2020.

Just popped another degree...likely the final one for the day. Boston reaches a June record of 102F. #wbz

33-36C temps over much of Niagara this afternoon.. except 28C near Lake Erie. Last day of the really hot stuff before less oppressive conditions Wednesday

One more day of oppressive heat and humidity over Niagara today with highs of 35C over north Niagara to 28C near Lake Erie. A slight chance of showers or thunderstorms later today into tonight then not as hot Wednesday

One more day of oppressive heat and humidity over Niagara Tuesday with highs of 32C over south Niagara to 35C north. A chance of showers or thunderstorms Tue pm/night then not as hot Wednesday

Max temps across Niagara today (Jun 23) through 5 pm: Grimsby: 36.0C Vineland: 35.2C St Catharines: 34.5C Niagara Falls: 33.3C Welland: 32.4C Port Colborne: 28C

A maximum of 36.0C at Toronto Pearson airport as of 5 pm. This is the 2nd hottest June temperature on record for Toronto, surpassed only by 36.7C on Jun 30 1964. The 36.0C is the hottest day in Toronto since at least Jul 13 2016 (also 36.0)

2 pm temps across Niagara (Jun 23): - Grimsby: 35C (unofficial) - Vineland: 34.3C - St Catharines: 33.8C - Niagara Falls: 33.3C - Welland: 31.9C - Port Colborne: 28C Humidex values ranging from 40-44. Official 2 pm hot spot in Ontario is Toronto Pearson at 34.8C.

St Catharines already up to 29C as of 9 am. Likely hitting a record high 35C this afternoon. Recall that two days ago Env Canada was forecasting a *high* of only 27C for St Catharines for today. Faulty forecast algorithm leading to poor temperature forecasts in Niagara.

Today’s hot spots in Ontario via official ECCC network: - Delhi: 35.3C - Hamilton RBG: 35.3C - Toronto Pearson 34.8C Both Delhi and Hamilton RBG set new record highs for the date (Jun 22). Toronto Pearson was just short of today’s record high of 35.5C in 2022.

Maximum temperatures across Niagara today (Jun 22) as of 5 pm: Grimsby: 35.5C Beamsville: 35C Vineland: 33.9C St Catharines: 33.6C Queenston: 33C Niagara Falls: 32.8C Welland: 31.4C Port Colborne: 28C

Lake Erie lake breeze has pushed up into northern Niagara as of 2 pm marked by edge of CU field. That has stabilized temperatures in the 27-30C range over south Niagara while 32-35C heat continues over north Niagara

My forecast highs across Niagara Sunday through Tuesday. Hottest temps will across northern Niagara with highs of 33-36C each day. A bit cooler over south Niagara with SW flow off Lake Erie giving temps of 27-32C. Humidex values of 35-45C each day. Stay cool!

Quite the heatwave coming up for Niagara and GTA. Highs of 32-35C Sunday-Tuesday with peak humidex values in the 40-45C range. Likely hottest stretch of June weather in Niagara since June 2012.

Rainfall accumulation map based on personal weather station observations in St Catharines area. Most of this fell between 2 and 330 pm.

Quite the deluge over St Catharines over the past hour. Generally 25-50 mm over central and northern parts of the city.. much less to the south

Rain has finally ended in Niagara after 2 straight days of steady rainfall. 2 day totals of 40-70 mm across Niagara, Hamilton and Haldimand areas. #ONstorm

UPDATED rainfall totals across Niagara, Hamilton and Haldimand areas as of 5 pm May 22, since yesterday. Generally 30-60 mm of rain has fallen across the area.. heaviest amounts over west Niagara, Hamilton and Haldimand areas where 50-70 mm of rain has been reported. Creeks running high and fast.

MRMS radar accumulation product estimates over 70 mm of rain has fallen since yesterday in downtown Hamilton.. corroborated by personal weather sites in the area. Likely some flooding issues there..

Updated rainfall totals as of noon across Niagara and Hamilton/Haldimand areas. Generally 30-50 mm of rain across Niagara so far with 45-60 mm over west Niagara/Haldimand into Hamilton areas. Light rain continues this afternoon into tonight with another 5-10 mm possible before tapering off Friday

Incredible temperatures in the Red River Valley and Interlake yesterday... Reaching almost 38°C at some stations. Winnipeg's 37.0°C was the earliest 37°C, beating May 22, 1980.

Another day of record early heat over srn MB (May 13). Winnipeg's 37.0C is the earliest they've ever hit that temperature and ties May 22 1980 as 2nd hottest May day on record. Heat was accompanied by very low humidity (as low as 13%) and winds gusting to 70 km/h.. extreme fire weather conditions

Today is now the third hottest May day on record in Winnipeg with a high of 36.9 C up to 3 PM. We aren't far off the records for hottest or second hottest days: Hottest May temperatures in Wpg: 1. May 30, 1934: 37.8 C 2. May 22, 1980: 37.0C 3. May 13, 2025: 36.9 C (up to 3PM)

Canada.. the land of extremes. While southern MB is dealing with extreme heat and out of control wildfires (see image showing smoke plumes from fires over SE MB), Goose Bay NL was digging out of a record 40 cm snowfall on May 11! Crazy contrast for mid May!

Crazy early season heat along the Red River valley in ND/MN and southern MB. Up to 100F (38C) in Hallock MN, 99F (37C) in Grand Forks, ND and 37.0C (99F) in Emerson MB as of 240 pm local time. All record highs for May 11.

24 hr precip totals (mm) across southern Ontario via ECCC and COCORAHS networks. Quite the soaker over portions of SW ON with 50-80 mm reported from Sarnia through Woodstock and Waterloo to Brantford areas. #ONstorm

24 hr precip totals (mm) across Niagara area via NPCA, GRCA, ECCC and COCORAHS networks. Generally 40-60 mm over north Niagara with 50-75 mm in Hamilton/Brantford area. #ONstorm

March 2025 was warmer than normal for most of #Canada, except for a region extending from the NWT to Labrador, which was colder than normal. The strongest anomalies were in Northern Nunavut; up to +6.5°C for Pond Inlet.

The power outages we are seeing currently coincide perfectly with the greatest expected accretion through this evening on the Canadian HRDPS across southcentral, central, northeastern and eastern #Ontario #ONstorm #weather #onwx

Snowdepth readings via ECCC sites as of 7 am this morning. After the weekend storm dumped 20-40 cm of snow across srn ON, this is the deepest snowpack we’ve seen here in years. At 50 cm, Toronto Pearson has deepest snowdepth since famous “send in the army” event of Jan 1999 (67 cm depth)