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As of 22:17 CDT

Weather in Merna, MO

49°Current weather

Merna, Friday, 16 October, 22:17

Overcast. Feels like 47°. High 55°, low 47°.

Pressure30.50 inHg
Wind4.6 mph NW
Humidity76%
Visibility6.2 mi
Dew point41°
Sat, 1757° / 38°0Clear
57 °Clear

Merna, Saturday, 17 October

Clear. High 57°, low 38°.

Pressure30.59 inHg
Wind1.6 mph S
Humidity52%
Visibility6.2 mi
Dew point37°
Sun, 1864° / 42°0Clear
64 °Clear

Merna, Sunday, 18 October

Clear. High 64°, low 42°.

Pressure30.42 inHg
Wind9.7 mph S
Humidity55%
Visibility6.2 mi
Dew point44°
Mon, 1968° / 45°0Partly cloudy
68 °Partly cloudy

Merna, Monday, 19 October

Partly cloudy. High 68°, low 45°.

Pressure30.36 inHg
Wind4.7 mph S
Humidity54%
Visibility6.2 mi
Dew point46°
Tue, 2070° / 48°0Overcast
70 °Overcast

Merna, Tuesday, 20 October

Overcast. High 70°, low 48°.

Pressure30.33 inHg
Wind5.1 mph S
Humidity53%
Visibility6.2 mi
Dew point47°
Wed, 2173° / 50°0Clear
73 °Clear

Merna, Wednesday, 21 October

Clear. High 73°, low 50°.

Pressure30.24 inHg
Wind5.6 mph S
Humidity47%
Visibility—
Dew point47°
Thu, 2277° / 53°0Clear
77 °Clear

Merna, Thursday, 22 October

Clear. High 77°, low 53°.

Pressure30.18 inHg
Wind6.5 mph SE
Humidity45%
Visibility—
Dew point49°
Fri, 2379° / 57°0Partly cloudy
79 °Partly cloudy

Merna, Friday, 23 October

Partly cloudy. High 79°, low 57°.

Pressure30.15 inHg
Wind10.6 mph S
Humidity30%
Visibility—
Dew point41°
Sat, 2480° / 58°0Overcast
80 °Overcast

Merna, Saturday, 24 October

Overcast. High 80°, low 58°.

Pressure30.18 inHg
Wind7.7 mph S
Humidity28%
Visibility—
Dew point41°
Sun, 2566° / 56°0Overcast
66 °Overcast

Merna, Sunday, 25 October

Overcast. High 66°, low 56°.

Pressure30.30 inHg
Wind10.6 mph NE
Humidity44%
Visibility—
Dew point42°
Mon, 2678° / 52°0Overcast
78 °Overcast

Merna, Monday, 26 October

Overcast. High 78°, low 52°.

Pressure30.21 inHg
Wind9.8 mph S
Humidity44%
Visibility—
Dew point45°
Tue, 2767° / 59°0.15Light rain
67 °Light rain

Merna, Tuesday, 27 October

Light rain. High 67°, low 59°.

Pressure30.15 inHg
Wind5.5 mph SW
Humidity72%
Visibility—
Dew point56°
Wed, 2865° / 57°0.15Light rain
65 °Light rain

Merna, Wednesday, 28 October

Light rain. High 65°, low 57°.

Pressure30.12 inHg
Wind10.8 mph NE
Humidity82%
Visibility—
Dew point54°
Thu, 2969° / 51°0.78Rain
69 °Rain

Merna, Thursday, 29 October

Rain. High 69°, low 51°.

Pressure29.71 inHg
Wind18.5 mph S
Humidity76%
Visibility—
Dew point58°
Fri, 3062° / 50°0Overcast
62 °Overcast

Merna, Friday, 30 October

Overcast. High 62°, low 50°.

Pressure29.77 inHg
Wind15.5 mph NW
Humidity77%
Visibility—
Dew point47°
Sat, 3160° / 43°0Clear
60 °Clear

Merna, Saturday, 31 October

Clear. High 60°, low 43°.

Pressure30.24 inHg
Wind13.5 mph NW
Humidity46%
Visibility—
Dew point35°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Merna, MO are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Merna, MO since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.