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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Tinker Air Force Base (KTIK)

Lat: 35.42°NLon: 97.38°WElev: 1293ft.

Light Rain Fog

59°F

15°C

Humidity 94%
Wind Speed NE 9 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 57°F (14°C)
Visibility 0.50 mi
Last update 21 May 4:55 am CDT
Extended Forecast for

Lake Aluma OK

  • Today

    Today: Showers and possibly a thunderstorm. High near 67. East northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. East wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A slight chance of thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 80. South southeast wind 3 to 5 mph. Chance of precipitation is 10%.

    High: 80 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 61. Southeast wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Light and variable wind becoming east southeast 5 to 7 mph in the morning.

    High: 80 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 67. East northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. East wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 80. South southeast wind 3 to 5 mph. Chance of precipitation is 10%.
Friday Night
Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 61. Southeast wind 3 to 6 mph. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Light and variable wind becoming east southeast 5 to 7 mph in the morning.
Saturday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81.
Sunday Night
Partly cloudy, with a low around 62.
Memorial Day
Partly sunny, with a high near 82.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Aluma OK
 35.54°N 97.44°W
Last Update:
1:26 am CDT May 21, 2026
Forecast Valid:
6am CDT May 21, 2026-6pm CDT May 27, 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