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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Mostly Cloudy

97°F

36°C

Humidity 30%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1017.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 Sep 2:53 pm CDT
Extended Forecast for

Hartshorne OK

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 100. South wind around 5 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 100. South wind around 5 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 94. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. North wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 90. North wind 5 to 10 mph.

    High: 90 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. South wind around 5 mph.
Tonight
Mostly clear, with a low around 73. South wind around 5 mph.
Saturday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 73. South wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 100. South wind around 5 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 94. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 66. North wind around 5 mph.
Tuesday
Partly sunny, with a high near 90. North wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 64. Northeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 91. Northeast wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hartshorne OK
 34.84°N 95.55°W
Last Update:
2:50 pm CDT Sep 18, 2026
Forecast Valid:
3pm CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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Additional Resources

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Chance of Precipitation