National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns and Severe Thunderstorms through the Weekend

Dry and windy conditions, and some dry thunderstorms and lightning, may support hazardous fire activity in the northern Plains, high southern Plains and the Southwest this weekend. An active severe weather pattern is forecast for portions of the central and southern High Plains into the Upper Midwest through early the part of next week. Damaging winds, large hail, and tornadoes are possible. Read More >

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

72°F

22°C

Humidity 61%
Wind Speed SW 7 mph
Barometer 29.64 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 May 3:35 am CDT
Extended Forecast for

Helena OK

  • Overnight

    Overnight: Mostly clear, with a low around 69. South wind around 15 mph, with gusts as high as 23 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. South wind 13 to 22 mph, with gusts as high as 33 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. South wind 21 to 24 mph, with gusts as high as 37 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Windy, with a south wind 23 to 31 mph, with gusts as high as 47 mph.

    High: 96 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Windy, with a south wind 22 to 28 mph, with gusts as high as 41 mph.

    Low: 69 °F

    Slight Chance
    T-storms and
    Windy

  • Monday

    Monday: Sunny, with a high near 95. Windy.

    High: 95 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. Windy.

    Low: 59 °F

    Chance
    T-storms and
    Windy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 69. South wind around 15 mph, with gusts as high as 23 mph.
Saturday
Sunny and hot, with a high near 98. South wind 13 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 70. South wind 21 to 24 mph, with gusts as high as 37 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Windy, with a south wind 23 to 31 mph, with gusts as high as 47 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Windy, with a south wind 22 to 28 mph, with gusts as high as 41 mph.
Monday
Sunny, with a high near 95. Windy.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. Windy.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 52.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 73.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena OK
 36.54°N 98.27°W
Last Update:
1:42 am CDT May 16, 2026
Forecast Valid:
3am CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation