Eureka, MO Weather Forecast | 5 Day
Updated: Fri Sep 18th 2026 2:00 AM CDT
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Sunny
Fri 9-18-26
Sunny with a high of 94°F and a low of 75°F. There's a moderate 36% chance of rainfall with an estimated 0.03in. Winds will be light at 6mph and gusts of 14.3mph at 11 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 91% at 7 AM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 30.14inHg at 8 AM, a lowest point of 29.96inHg at 11 PM with an avg 30.06inHg.
- HI: 94°F
- LO: 75°F
- Rainfall: 36% | est. 0.03in
- Snowfall: 0%
- Wind
5.4 mph - Humidity
67% avg. - UV Index
7.2 - Air QualityGood
- Sunrise
06:46 AM - Sunset
07:06 PM - Moonrise
02:52 PM - Moonset
11:51 PM - Moon Phase
First Quarter
Sunny
Weather Tomorrow, Sat 9-19-26
Sunny with a high of 95°F and a low of 75°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 7mph and gusts of 17.7mph at 12 AM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 68% at 12 AM and 30% being its lowest at 2 PM. Barometric pressure is its highest of 29.96inHg at 11 AM, a lowest point of 29.85inHg at 11 PM with an avg 29.91inHg.
- HI: 95°F
- LO: 75°F
- Rainfall: 5%
- Snowfall: 0%
- Wind
6.7 mph - Humidity
52% avg. - UV Index
7.1 - Air QualityGood
- Sunrise
06:47 AM - Sunset
07:04 PM - Moonrise
03:38 PM - Moonset
Does not set today - Moon Phase
First Quarter
Overcast
Sun 9-20-26
Overcast with a high of 91°F and a low of 73°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 7mph and gusts of 25.2mph at 2 AM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 66% at 11 PM and 34% being its lowest at 4 PM. Barometric pressure is its highest of 29.9inHg at 9 AM, a lowest point of 29.8inHg at 7 PM with an avg 29.84inHg.
- HI: 91°F
- LO: 73°F
- Rainfall: 9%
- Snowfall: 0%
- Wind
6.9 mph - Humidity
50% avg. - UV Index
5.5 - Air QualityGood
- Sunrise
06:48 AM - Sunset
07:03 PM - Moonrise
04:16 PM - Moonset
12:50 AM - Moon Phase
Waxing Gibbous
Scattered Showers
Mon 9-21-26
Scattered Showers with a high of 82°F and a low of 64°F. Rainfall expected to have a 63% chance with an estimated 0.08in. Winds will be light at 10mph and gusts of 20mph at 8 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 95% at 10 PM and 59% being its lowest at 1 PM. Barometric pressure is its highest of 29.97inHg at 11 PM, a lowest point of 29.83inHg at 4 AM with an avg 29.89inHg.
- HI: 82°F
- LO: 64°F
- Rainfall: 63% | est. 0.08in
- Snowfall: 0%
- Wind
9.8 mph - Humidity
77% avg. - UV Index
6.2 - Air QualityGood
- Sunrise
06:49 AM - Sunset
07:01 PM - Moonrise
04:48 PM - Moonset
01:51 AM - Moon Phase
Waxing Gibbous
Scattered Showers
Tue 9-22-26
Scattered Showers with a high of 67°F and a low of 60°F. There's a moderate 34% chance of rainfall with an estimated 0in. Winds will be light at 9mph and gusts of 18.4mph at 2 AM. High humidity with average of 82% is anticipated, the maximum being 96% at 2 AM and 66% being its lowest at 12 PM. Barometric pressure is its highest of 30.12inHg at 11 PM, a lowest point of 29.98inHg at 12 AM with an avg 30.06inHg.
- HI: 67°F
- LO: 60°F
- Rainfall: 34% | est. 0in
- Snowfall: 0%
- Wind
8.7 mph - Humidity
82% avg. - UV Index
4 - Air QualityGood
- Sunrise
06:50 AM - Sunset
07:00 PM - Moonrise
05:15 PM - Moonset
02:52 AM - Moon Phase
Waxing Gibbous
Sunny
Wed 9-23-26
Sunny with a high of 77°F and a low of 54°F. There might be light rainfall having a 13% chance. Winds will be light at 6mph and gusts of 16.8mph at 10 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 99% at 4 AM and 46% being its lowest at 4 PM. Barometric pressure is its highest of 30.24inHg at 10 AM, a lowest point of 30.14inHg at 12 AM with an avg 30.19inHg.
- HI: 77°F
- LO: 54°F
- Rainfall: 13%
- Snowfall: 0%
- Wind
5.4 mph - Humidity
76% avg. - UV Index
6 - Air QualityTBA
- Sunrise
06:51 AM - Sunset
06:58 PM - Moonrise
05:39 PM - Moonset
03:53 AM - Moon Phase
Waxing Gibbous
This 5-Day weather forecast is valid for ZIP code 63025, accurately covering the area of Eureka, MO.
Currently
 |
76°F |
30.13 inHg.
Barometer 85%
Humidity N 3.6 mph Wind |
| Clear | ||
National Outlook
More Flash Flooding Expected in the Southwest and Plains: 09-17 to 09-19
Thu Sep 17th 2026, 5:06am PDT
Read
Rain and Storms Hit Midwest and East, Monsoon in the South 09-19 to 09-23
Extended Forecast
Thu Sep 17th 2026, 5:10am PDT
Read
Thu Sep 17th 2026, 5:10am PDT
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