June 2021

Section 1: Atlantic Coast


1-3: Fair in the East.

4-7: Big storms from Mid-Atlantic States, down to the Gulf States. Thunderstorms continue over the Northeast States.

8-11: Showers spreading east to the Atlantic Coast. Will it turn into “Mudders Day” at the Belmont Stakes? Clouds could eclipse the dawn solar eclipse over the Northeast US on the 10th. Dry across the Southeast.

12-15: Pleasant weather.

16-19: Violent thunderstorms New England. Showers and storms also south into the Southeast.

20-23: Fair, warm in East.

24-27: Showers initially, then clearing in the East.

28-30: Fair skies.


Section 2: East of Mississippi River


1-3: Violent thunderstorms spread into the Mississippi Valley. Some are capable of large hail, damaging winds and tornadic activity. Scattered heavy thunderstorms for Great Lakes and Ohio Valley.

4-7: Storms continue over the Great Lakes, followed by clearing. Showers and storms farther south.

8-11: Becoming unsettled in Mississippi Valley with showers. Variable cloudiness elsewhere with a few showers possible. Clouds could frustrate the viewing of the dawn solar eclipse over the Great Lakes on the 10th.

12-15: Pleasant for the Mississippi Valley and points east. Dry and tranquil Great Lakes and Ohio Valley.

16-19: Thundery weather over the Great Lakes. Violent thunderstorms from the Mississippi Valley spreading east.

20-23: Increasingly cloudy skies and warm.

24-27: Fair Mississippi Valley and points west.

28-30: Fair along Mississippi River Valley, and eastward.


Section 3: Rockies to Mississippi River

1-3: Violent thunderstorms for the Plains States. Some storms are capable of large hail, damaging winds and even tornadic activity.

4-7: Clearing for Central States.

8-11: Fair skies and warmer over the Central States. Scattered thunderstorms over the Plains.

12-15: Hot and dry for the Central States.

16-19: Strong storms, then clearing across the Central States.

20-23: Scattered storms for the Plains.

24-27: Fair skies.

28-30: Big storms spread in from the west through the Central States.


Section 4: Pacific Coast to Rockies


1-3: Clearing skies. Severe storm threat for the Rockies.

4-7: Fair skies for the West.

8-11: Fair skies for most, but scattered showers and thunderstorms are possible over the Rockies. Pleasant weather for California.

12-15: Hot and dry for most of the Western States. Showery weather over the Pacific Northwest.

16-19: Cooler over the West under a mix of clouds and sun.

20-23: Changeable skies; scattered storms over the Rockies.

24-27: Fair weather.

28-30: Mixed clouds and sun. Some hefty thunderstorms develop over the Rockies.