Fire Weather Concerns for a Large Part of the Central U.S.; Severe Weather in the Central Plains

Dry and windy conditions will bring widespread fire weather concerns to the northern/central Plains and portions of the Southwest into the southern Plains. Severe thunderstorms with large hail and damaging wind gusts are possible over the central Plains today into this weekend. Rain and high elevation snow is expected over parts of the Cascades and Northern Intermountain Region through Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

77°F

25°C

Humidity 26%
Wind Speed S 15 G 28 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 14 May 2:53 pm CDT
Extended Forecast for

Thornburg IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. South wind around 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 3am.  Mostly cloudy, with a low around 57. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 87. South wind around 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Increasing clouds, with a low around 62. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am.  Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm.  Partly sunny, with a high near 86. Breezy.  Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 69. Breezy.

    Low: 69 °F

    Mostly Clear
    and Breezy
    then Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Breezy.

    High: 89 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 3am. Mostly cloudy, with a low around 57. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Partly sunny, then gradually becoming sunny, with a high near 87. South wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 62. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Saturday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Sunday
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. Breezy.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 63. Breezy. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornburg IA
 41.46°N 92.35°W (Elev. 902 ft)
2:51 pm CDT May 14, 2026
3pm CDT May 14, 2026-6pm CDT May 20, 2026
 
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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