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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

St. Johns, St. Johns Industrial Airpark (KSJN)

Lat: 34.52°NLon: 109.38°WElev: 5732ft.

Fair

94°F

34°C

Humidity 17%
Wind Speed Vrbl 6 G 17 mph
Barometer 30.17 in (1010.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 Aug 3:54 pm MST
Extended Forecast for

8 Miles SE Aragon NM

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Southeast wind around 5 mph.

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. South wind around 5 mph becoming west after midnight.

    Low: 58 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 82. West wind around 5 mph becoming east in the afternoon.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight. Mostly cloudy, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 81. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%.

    High: 81 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Southeast wind around 5 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. South wind around 5 mph becoming west after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 82. West wind around 5 mph becoming east in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight. Mostly cloudy, with a low around 58. West wind around 5 mph.
Thursday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 81. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.
Friday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 56.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Aragon NM
 33.79°N 108.46°W (Elev. 8176 ft)
Last Update:
2:15 pm MDT Aug 18, 2026
Forecast Valid:
5pm MDT Aug 18, 2026-6pm MDT Aug 25, 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