Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

84°F

29°C

Humidity	33%
Wind Speed	NW 13 mph
Barometer	29.71 in
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	21 May 4:55 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Helena OK

Tonight
Low: 57 °F
Clear then
Slight Chance
T-storms
Wednesday
High: 78 °F
Slight Chance
T-storms then
Mostly Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
then Slight
Chance
T-storms
Thursday
High: 88 °F
Chance
T-storms
Thursday Night
Low: 64 °F
Slight Chance
T-storms
Friday
High: 84 °F
Sunny
Friday Night
Low: 54 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 62 °F
Chance
T-storms

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 57. North northwest wind 9 to 11 mph becoming northeast in the evening.

Wednesday

A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 78. Northeast wind 9 to 11 mph.

Wednesday Night

A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 57. East wind 5 to 9 mph. Chance of precipitation is 20%.

Thursday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South southeast wind 6 to 16 mph, with gusts as high as 24 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64. South southeast wind 13 to 15 mph, with gusts as high as 23 mph.

Friday

Sunny, with a high near 84.

Friday Night

Mostly clear, with a low around 54.

Saturday

Sunny, with a high near 89.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 62.

Sunday

Sunny, with a high near 92.

Sunday Night

Mostly clear, with a low around 60.