```svg
<svg viewBox="0 0 450 300" xmlns="http://www.w3.org/2000/svg">
<rect x="0" y="0" width="450" height="300" fill="#ffffff"/>
<g fill="none" stroke="#2b2f38" stroke-width="4" stroke-linecap="round" stroke-linejoin="round">
<!-- SUN -->
<g transform="translate(25,25)">
<circle cx="50" cy="50" r="18"/>
<line x1="76" y1="50" x2="90" y2="50"/>
<line x1="68.3" y1="68.3" x2="78.3" y2="78.3"/>
<line x1="50" y1="76" x2="50" y2="90"/>
<line x1="31.7" y1="68.3" x2="21.7" y2="78.3"/>
<line x1="24" y1="50" x2="10" y2="50"/>
<line x1="31.7" y1="31.7" x2="21.7" y2="21.7"/>
<line x1="50" y1="24" x2="50" y2="10"/>
<line x1="68.3" y1="31.7" x2="78.3" y2="21.7"/>
</g>
<!-- CLOUD -->
<g transform="translate(175,25)">
<path d="M20,55 C8,55 0,47 0,37 C0,28 7,20 16,19 C18,9 27,2 38,2 C47,2 55,7 58,15 C68,13 78,20 78,30 C78,31 78,32 78,33 C86,35 92,42 92,50 C92,53 89,55 86,55 Z" transform="translate(4,20)"/>
</g>
<!-- FOG -->
<g transform="translate(325,25)">
<path d="M20,55 C8,55 0,47 0,37 C0,28 7,20 16,19 C18,9 27,2 38,2 C47,2 55,7 58,15 C68,13 78,20 78,30 C78,31 78,32 78,33 C86,35 92,42 92,50 C92,53 89,55 86,55 Z" transform="translate(10,3) scale(0.85)"/>
<line x1="12" y1="62" x2="88" y2="62"/>
<line x1="22" y1="76" x2="78" y2="76"/>
<line x1="15" y1="90" x2="85" y2="90"/>
</g>
<!-- RAIN -->
<g transform="translate(25,175)">
<path d="M20,55 C8,55 0,47 0,37 C0,28 7,20 16,19 C18,9 27,2 38,2 C47,2 55,7 58,15 C68,13 78,20 78,30 C78,31 78,32 78,33 C86,35 92,42 92,50 C92,53 89,55 86,55 Z" transform="translate(4,2)"/>
<line x1="30" y1="63" x2="22" y2="85"/>
<line x1="50" y1="63" x2="42" y2="85"/>
<line x1="70" y1="63" x2="62" y2="85"/>
</g>
<!-- SNOW -->
<g transform="translate(175,175)">
<path d="M20,55 C8,55 0,47 0,37 C0,28 7,20 16,19 C18,9 27,2 38,2 C47,2 55,7 58,15 C68,13 78,20 78,30 C78,31 78,32 78,33 C86,35 92,42 92,50 C92,53 89,55 86,55 Z" transform="translate(4,2)"/>
<g>
<line x1="28" y1="72" x2="28" y2="88"/>
<line x1="20" y1="80" x2="36" y2="80"/>
<line x1="22.3" y1="74.3" x2="33.7" y2="85.7"/>
<line x1="33.7" y1="74.3" x2="22.3" y2="85.7"/>
</g>
<g>
<line x1="50" y1="76" x2="50" y2="92"/>
<line x1="42" y1="84" x2="58" y2="84"/>
<line x1="44.3" y1="78.3" x2="55.7" y2="89.7"/>
<line x1="55.7" y1="78.3" x2="44.3" y2="89.7"/>
</g>
<g>
<line x1="72" y1="72" x2="72" y2="88"/>
<line x1="64" y1="80" x2="80" y2="80"/>
<line x1="66.3" y1="74.3" x2="77.7" y2="85.7"/>
<line x1="77.7" y1="74.3" x2="66.3" y2="85.7"/>
</g>
</g>
<!-- THUNDERSTORM -->
<g transform="translate(325,175)">
<path d="M20,55 C8,55 0,47 0,37 C0,28 7,20 16,19 C18,9 27,2 38,2 C47,2 55,7 58,15 C68,13 78,20 78,30 C78,31 78,32 78,33 C86,35 92,42 92,50 C92,53 89,55 86,55 Z" transform="translate(4,2)"/>
<path d="M56,60 L40,82 L54,82 L38,98"/>
</g>
</g>
</svg>
```